$667+ Cheap flights from Dulles Intl (IAD) to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to AustraliaExplore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Wed 8/191:15 pm
SYD
- IAD
3 stops41h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,158
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- SYD
3 stops34h 33m
Multiple Airlines
Tue 7/141:15 pm
SYD
- IAD
3 stops35h 01m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,174
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Fri 7/311:15 pm
SYD
- IAD
3 stops33h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,188
This 123 Milhas deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:20 pm
IAD
- SYD
1 stop54h 15m
Turkish Airlines
Tue 11/249:30 pm
SYD
- IAD
1 stop54h 15m
Turkish Airlines
Deal found 6/6![Turkish Airlines logo]()
$1,221
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:55 am
IAD
- MEL
3 stops36h 05m
Multiple Airlines
Thu 7/91:30 pm
MEL
- IAD
3 stops43h 03m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,238
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- MEL
3 stops34h 43m
Multiple Airlines
Thu 7/91:30 pm
MEL
- IAD
3 stops43h 03m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,244
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:54 am
IAD
- SYD
3 stops34h 56m
Multiple Airlines
Sat 7/111:15 pm
SYD
- IAD
3 stops37h 32m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,274
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Tue 7/286:15 am
SYD
- IAD
3 stops42h 01m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,281
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:17 am
IAD
- SYD
3 stops44h 53m
Multiple Airlines
Tue 7/146:15 am
SYD
- IAD
3 stops42h 01m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,284
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am
IAD
- MEL
2 stops33h 45m
Alaska Airlines
Wed 10/149:45 am
MEL
- IAD
2 stops34h 55m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$1,284
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:55 am
IAD
- SYD
3 stops35h 55m
Multiple Airlines
Tue 6/231:15 pm
SYD
- IAD
3 stops33h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,294
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- SYD
3 stops34h 33m
Multiple Airlines
Mon 7/131:15 pm
SYD
- IAD
3 stops37h 32m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,299
Best flights from Dulles Intl to AustraliaDiscover carefully curated flight deals from Dulles Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Dulles Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am
IAD
- MEL
2 stops33h 45m
Alaska Airlines
Fri 10/29:45 am
MEL
- IAD
2 stops33h 55m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$1,330
This FlightHub deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:07 am
IAD
- BNE
2 stops31h 58m
Air Canada
Tue 9/1510:15 am
BNE
- IAD
2 stops25h 03m
Air Canada
Deal found 6/6![Air Canada logo]()
$1,481
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:43 pm
IAD
- AVV
3 stops34h 27m
Multiple Airlines
Tue 10/276:00 am
AVV
- IAD
3 stops30h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,514
This KAYAK deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:55 pm
IAD
- BNE
2 stops27h 10m
Air New Zealand
Sat 9/512:20 pm
BNE
- IAD
2 stops32h 18m
Air New Zealand
Deal found 6/7![Air New Zealand logo]()
$1,775
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:15 pm
IAD
- SYD
1 stop25h 45m
United Airlines
Tue 8/189:30 am
SYD
- IAD
1 stop23h 20m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,809
This Emirates deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:55 am
IAD
- SYD
1 stop40h 35m
Emirates
Fri 9/48:10 pm
SYD
- IAD
1 stop50h 30m
Emirates
Deal found 6/5![Emirates logo]()
$1,833
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:03 pm
IAD
- CBR
2 stops26h 17m
American Airlines
Mon 1/256:10 am
CBR
- IAD
2 stops31h 07m
American Airlines
Deal found 6/9![American Airlines logo]()
$1,897
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:15 pm
IAD
- CBR
2 stops35h 05m
ANA
Tue 9/15:35 pm
CBR
- IAD
2 stops30h 30m
ANA
Deal found 6/9![ANA logo]()
$2,076
This Qantas Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:46 pm
IAD
- AVV
2 stops41h 04m
Qantas Airways
Mon 10/196:00 am
AVV
- IAD
2 stops31h 47m
Qantas Airways
Deal found 6/10![Qantas Airways logo]()
$2,147
This Qatar Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:05 pm
IAD
- PER
1 stop33h 40m
Qatar Airways
Mon 11/912:15 pm
PER
- IAD
2 stops40h 40m
Qatar Airways
Deal found 6/10![Qatar Airways logo]()
$2,193
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
IAD
- MEL
2 stops35h 30m
Alaska Airlines
Tue 11/1011:15 pm
MEL
- IAD
3 stops32h 59m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$1,411
This Air Canada deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:40 pm
IAD
- AVV
3 stops40h 40m
Multiple Airlines
Tue 11/106:00 am
AVV
- IAD
3 stops45h 44m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,516
This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:43 pm
IAD
- BNE
2 stops28h 22m
Air Canada
Thu 11/126:35 am
BNE
- IAD
3 stops28h 35m
Air Canada
Deal found 6/8![Air Canada logo]()
$1,591
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:03 am
IAD
- MEL
2 stops34h 42m
Alaska Airlines
Thu 7/309:45 am
MEL
- IAD
2 stops28h 14m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$1,511
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:14 pm
IAD
- BNE
3 stops39h 11m
Multiple Airlines
Sun 8/234:00 pm
BNE
- IAD
3 stops40h 14m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,578
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:55 pm
IAD
- SYD
1 stop23h 00m
United Airlines
Sun 8/1610:20 am
SYD
- IAD
1 stop19h 58m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,809
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:00 am
IAD
- MEL
2 stops32h 45m
Alaska Airlines
Sat 10/3111:15 pm
MEL
- IAD
2 stops46h 36m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$1,541
This Ovago deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:55 am
IAD
- ADL
2 stops41h 35m
Multiple Airlines
Thu 1/287:55 pm
ADL
- IAD
2 stops39h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,579
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:30 pm
IAD
- DRW
2 stops40h 50m
Air New Zealand
Fri 12/412:50 pm
DRW
- IAD
3 stops47h 00m
Air New Zealand
Deal found 6/10![Air New Zealand logo]()
$1,922
This Emirates deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:55 am
IAD
- SYD
1 stop29h 10m
Emirates
Sun 12/206:00 am
SYD
- IAD
1 stop42h 10m
Emirates
Deal found 6/6![Emirates logo]()
$1,932
This FlightHub deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:55 am
IAD
- PER
3 stops46h 45m
Air Canada
Wed 11/1110:55 pm
PER
- IAD
3 stops34h 15m
Air Canada
Deal found 6/5![Air Canada logo]()
$1,815
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:10 pm
IAD
- MEL
1 stop44h 05m
United Airlines
Sun 9/2010:55 am
MEL
- IAD
1 stop28h 02m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,817
This FlightHub deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:55 am
IAD
- CBR
3 stops35h 25m
Multiple Airlines
Mon 1/255:10 pm
CBR
- IAD
3 stops43h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,591
This KAYAK deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:18 pm
IAD
- CNS
2 stops45h 27m
Air New Zealand
Sat 10/1710:55 am
CNS
- IAD
2 stops34h 26m
Air New Zealand
Deal found 6/8![Air New Zealand logo]()
$1,943
This Emirates deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:55 am
IAD
- SYD
1 stop45h 10m
Emirates
Fri 10/2310:50 am
SYD
- IAD
2 stops36h 50m
Emirates
Deal found 6/5![Emirates logo]()
$1,945
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:48 pm
IAD
- ADL
2 stops27h 47m
United Airlines
Tue 9/226:00 am
ADL
- IAD
2 stops23h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,845
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
IAD
- BNE
2 stops32h 00m
Alaska Airlines
Sat 10/108:35 pm
BNE
- IAD
2 stops41h 24m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$1,709
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:00 pm
IAD
- ADL
2 stops34h 40m
Qatar Airways
Tue 7/2810:00 pm
ADL
- IAD
1 stop31h 10m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$2,278
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:14 pm
IAD
- SYD
2 stops34h 36m
Multiple Airlines
Sun 8/238:45 pm
SYD
- IAD
2 stops35h 29m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,602
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:55 pm
IAD
- CBR
3 stops32h 05m
Air New Zealand
Thu 8/278:35 am
CBR
- IAD
3 stops29h 55m
Air New Zealand
Deal found 6/6![Air New Zealand logo]()
$2,024
Last-minute flights from Dulles Intl to AustraliaDiscover last-minute flight deals from Dulles Intl to Australia. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Australia. Data last updated June 10, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:55 am
IAD
- SYD
3 stops35h 55m
Multiple Airlines
Tue 6/231:15 pm
SYD
- IAD
3 stops33h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,294
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:17 am
IAD
- SYD
3 stops44h 53m
Multiple Airlines
Tue 7/146:15 am
SYD
- IAD
3 stops42h 01m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,284
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:55 am
IAD
- MEL
3 stops36h 05m
Multiple Airlines
Thu 7/91:30 pm
MEL
- IAD
3 stops43h 03m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,238
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- SYD
3 stops34h 33m
Multiple Airlines
Tue 7/141:15 pm
SYD
- IAD
3 stops35h 01m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,174
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- MEL
3 stops34h 43m
Multiple Airlines
Thu 7/91:30 pm
MEL
- IAD
3 stops43h 03m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,244
This Trip.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- SYD
3 stops34h 33m
Multiple Airlines
Mon 7/131:15 pm
SYD
- IAD
3 stops37h 32m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,299
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- SYD
3 stops34h 33m
Multiple Airlines
Sat 7/181:15 pm
SYD
- IAD
3 stops37h 32m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,305
This Trip.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- SYD
3 stops34h 33m
Multiple Airlines
Fri 7/171:15 pm
SYD
- IAD
3 stops33h 05m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,306
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:54 am
IAD
- SYD
3 stops34h 56m
Multiple Airlines
Sat 7/111:15 pm
SYD
- IAD
3 stops37h 32m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,274
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Tue 7/286:15 am
SYD
- IAD
3 stops42h 01m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,281
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Thu 7/301:30 pm
MEL
- IAD
3 stops32h 50m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,306
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Fri 7/311:15 pm
SYD
- IAD
3 stops33h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,188
One-way flights from Dulles Intl to AustraliaSearch for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:20 am
IAD
- SYD
3 stops43h 50m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$667
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am
IAD
- SYD
2 stops32h 25m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$676
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
IAD
- MEL
2 stops33h 45m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 am
IAD
- SYD
2 stops31h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$679
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am
IAD
- SYD
2 stops33h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:50 pm
IAD
- MEL
2 stops41h 20m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$711
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:50 pm
IAD
- MEL
2 stops41h 20m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am
IAD
- SYD
2 stops31h 25m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:50 am
IAD
- MEL
2 stops30h 55m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:57 pm
IAD
- SYD
2 stops43h 33m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$737
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
IAD
- AVV
3 stops41h 10m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$739
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:30 am
IAD
- MEL
2 stops31h 15m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$747
Find flight deals from Dulles Intl to Australia
Keep the following information in mind while searching for Dulles Intl to Australia flight deals. Data was last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,174 (Trip.com) |
One-way from | $667 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,614 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Tue 9/29
7:00 am-6:45 am
2 stops33h 45m
Melbourne
Fri 10/2
9:45 am-5:40 am
2 stops33h 55m
$1,330
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Tue 10/27
7:00 am-9:30 am
2 stops35h 30m
Melbourne
Tue 11/10
11:15 pm-4:14 pm
3 stops32h 59m
$1,411
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Sun 9/6
9:07 am-7:05 am
2 stops31h 58m
Brisbane
Tue 9/15
10:15 am-9:18 pm
2 stops25h 03m
$1,481
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Thu 7/23
6:03 am-6:45 am
2 stops34h 42m
Melbourne
Thu 7/30
9:45 am-11:59 pm
2 stops28h 14m
$1,511
Washington, D.C.Melbourne
IAD - AVV
IADAVV
Washington, D.C. Dulles Intl
Tue 10/20
12:43 pm-2:10 pm
3 stops34h 27m
Melbourne Avalon
Tue 10/27
6:00 am-9:05 pm
3 stops30h 05m
$1,514
Washington, D.C.Melbourne
IAD - AVV
IADAVV
Washington, D.C. Dulles Intl
Tue 10/27
12:40 pm-8:20 pm
3 stops40h 40m
Melbourne Avalon
Tue 11/10
6:00 am-11:44 am
3 stops45h 44m
$1,516
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Fri 10/9
7:00 am-6:45 am
2 stops32h 45m
Melbourne
Sat 10/31
11:15 pm-6:51 am
2 stops46h 36m
$1,541
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Sun 8/16
6:14 pm-11:25 pm
3 stops39h 11m
Brisbane
Sun 8/23
4:00 pm-6:14 pm
3 stops40h 14m
$1,578
Washington, D.C.Adelaide
IAD - ADL
IADADL
Washington, D.C. Dulles Intl
Tue 11/17
9:55 am-7:00 pm
2 stops41h 35m
Adelaide
Thu 1/28
7:55 pm-8:10 pm
2 stops39h 45m
$1,579
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Sat 10/17
12:43 pm-7:05 am
2 stops28h 22m
Brisbane
Thu 11/12
6:35 am-8:10 pm
3 stops28h 35m
$1,591
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Dulles Intl with our price prediction graph.
IAD-SYD
IAD-MEL
IAD-AVV
IAD-BNE
IAD-CBR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Australia
IAD-AU0
IAD-SYD
IAD-MEL
IAD-AVV
IAD-BNE
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Australia?
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $137). Flying from Washington, D.C. Dulles Intl Airport to Australia in April is currently the most expensive (average of $855). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Australia?
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated June 10, 2026.
Get a feel of what it's like to fly with Air New Zealand,Delta, andQantas Airways from Washington, D.C. Dulles Intl Airport to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.4
Comfort
7.9
Crew
8.5
Boarding
8.2
Overall
8.0
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Comfort
7.9
Crew
8.5
Boarding
8.2
Overall
8.0
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Comfort
7.9
Crew
8.5
Boarding
8.2
Overall
8.0
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Comfort
7.9
Crew
8.5
Boarding
8.2
Overall
8.0
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Comfort
7.9
Crew
8.5
Boarding
8.2
Overall
8.0
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Entertainment
7.4
Comfort
7.9
Crew
8.5
Boarding
8.2
Overall
8.0
Food
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Dulles Intl to Australia
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Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
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Dulles Intl and Australia flights
Browse other Dulles Intl and Australia flight options. Last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 7 airlines flying from Dulles Intl to Australia
Discover the top 7 airlines that operate flights from Dulles Intl to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$377 | Average$1,697 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$609 | Average$943 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$839 | Average$1,316 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$855 | Average$1,545 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,167 | Average$1,718 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,195 | Average$1,793 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$2,062 | Average$2,421 | FlexibilityNo cancel fee | On-time68% |