HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$611+ Cheap flights from Australia to Dulles Intl (IAD)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Australia to Dulles Intl

Keep the following information in mind while searching for Australia to Dulles Intl flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,036
(Air Canada)

One-way from

$611
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,113
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. (WAS) flights.
Search Deals
From Australia to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Australia to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Australia to Dulles Intl

Cheapest flights from Australia to Dulles Intl
Explore the most affordable flight options available from Australia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Air Canada deal was found by Cheapflights users on 3/25. 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 6/1010:20 amBNE - IAD
2 stops39h 09mAir Canada
Mon 6/1610:11 pmIAD - BNE
2 stops42h 54mAir Canada
Deal found 3/25$1,036
This BestPriceTravel deal was found by Cheapflights users on 3/27. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:20 amSYD - IAD
1 stop35h 25mAir Canada
Tue 9/238:18 amIAD - SYD
2 stops33h 02mAir Canada
Deal found 3/27$1,059
This United Airlines deal was found by Cheapflights users on 3/25. 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 8/1310:30 amBNE - IAD
1 stop19h 53mUnited Airlines
Wed 8/273:40 pmIAD - BNE
2 stops24h 50mUnited Airlines
Deal found 3/25$1,126
This Aunt Betty deal was found by Cheapflights users on 3/26. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:05 pmBNE - IAD
1 stop33h 55mMultiple Airlines
Sat 5/177:25 pmIAD - BNE
1 stop44h 00mMultiple Airlines
Deal found 3/26$1,141
This American Airlines deal was found by Cheapflights users on 3/26. 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 5/133:05 pmMEL - IAD
1 stop21h 52mAmerican Airlines
Tue 5/276:17 amIAD - MEL
1 stop32h 43mAmerican Airlines
Deal found 3/26$1,143
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 11/131:00 pmMEL - IAD
1 stop22h 25mUnited Airlines
Wed 11/195:30 pmIAD - MEL
1 stop24h 30mUnited Airlines
Deal found 3/26$1,167
This BYOjet deal was found by Cheapflights users on 3/26. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:30 pmMEL - IAD
3 stops38h 55mAir Canada
Mon 5/268:19 amIAD - MEL
2 stops36h 46mAir Canada
Deal found 3/26$1,246
This Jetabroad deal was found by Cheapflights users on 3/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/183:05 pmMEL - IAD
1 stop21h 52mMultiple Airlines
Wed 6/47:25 pmIAD - MEL
1 stop45h 20mMultiple Airlines
Deal found 3/27$1,267
This Jetabroad deal was found by Cheapflights users on 3/26. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/175:45 pmSYD - IAD
1 stop36h 29mMultiple Airlines
Thu 6/198:10 amIAD - SYD
1 stop31h 55mMultiple Airlines
Deal found 3/26$1,270
This Trip.com deal was found by Cheapflights users on 3/26. 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.
Mon 5/198:35 amMEL - IAD
2 stops30h 34mAir New Zealand
Mon 5/266:30 amIAD - MEL
2 stops38h 20mAir New Zealand
Deal found 3/26$1,284
This Qantas Airways deal was found by Cheapflights users on 3/27. 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.
Fri 3/284:20 pmMEL - IAD
1 stop20h 54mQantas Airways
Sun 4/137:00 amIAD - MEL
2 stops36h 20mQantas Airways
Deal found 3/27$1,307
This United Airlines deal was found by Cheapflights users on 3/27. 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 7/910:20 amSYD - IAD
1 stop32h 58mUnited Airlines
Wed 7/231:20 pmIAD - SYD
2 stops27h 40mUnited Airlines
Deal found 3/27$1,416

Cheapflights Fare Finder

Customize your flight search to find flights from Australia to Dulles Intl 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 March 28, 2025.
Use the filters below to find and compare flights from Australia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Australia

Fly to

Dulles Intl

Route

Depart

Return

Price

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Tue 6/10

10:20 am-11:29 am

2 stops39h 09m

Washington, D.C. Dulles Intl

Mon 6/16

10:11 pm-7:05 am

2 stops42h 54m

$1,036

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 8/26

9:20 am-6:45 am

1 stop35h 25m

Washington, D.C. Dulles Intl

Tue 9/23

8:18 am-7:20 am

2 stops33h 02m

$1,059

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Wed 8/13

10:30 am-4:23 pm

1 stop19h 53m

Washington, D.C. Dulles Intl

Wed 8/27

3:40 pm-6:30 am

2 stops24h 50m

$1,126

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

Sat 5/10

8:05 pm-4:00 pm

1 stop33h 55m

Washington, D.C. Dulles Intl

Sat 5/17

7:25 pm-5:25 am

1 stop44h 00m

$1,141

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Tue 5/13

3:05 pm-10:57 pm

1 stop21h 52m

Washington, D.C. Dulles Intl

Tue 5/27

6:17 am-5:00 am

1 stop32h 43m

$1,143

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Thu 4/24

10:55 am-7:30 pm

1 stop22h 35m

Washington, D.C. Dulles Intl

Fri 5/9

3:55 pm-8:15 am

2 stops26h 20m

$1,205

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Mon 5/19

8:30 pm-9:25 pm

3 stops38h 55m

Washington, D.C. Dulles Intl

Mon 5/26

8:19 am-11:05 am

2 stops36h 46m

$1,246

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Sun 5/18

3:05 pm-10:57 pm

1 stop21h 52m

Washington, D.C. Dulles Intl

Wed 6/4

7:25 pm-6:45 am

1 stop45h 20m

$1,267

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 5/17

5:45 pm-4:14 pm

1 stop36h 29m

Washington, D.C. Dulles Intl

Thu 6/19

8:10 am-6:05 am

1 stop31h 55m

$1,270

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

Mon 5/19

8:35 am-1:09 am

2 stops30h 34m

Washington, D.C. Dulles Intl

Mon 5/26

6:30 am-10:50 am

2 stops38h 20m

$1,284

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Australia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Australia with our price prediction graph.
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 Australia to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Australia to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Australia to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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.

What is the cheapest time of day to fly from AU to IAD?

Find hourly flight availability from Australia to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Washington, D.C. Dulles Intl Airport as you normally would.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated March 28, 2025.
See what other customers who have flown with Air Tahiti Nui, Korean Air and ANA from Australia to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very good
1,050 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
829 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Asiana Airlines
8.2
Very good
440 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,285 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Crew

9.1

Boarding

8.7

Overall

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Australia to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Australia to Washington, D.C. Dulles Intl Airport one-way?

    $778 is the cheapest one-way deal found within the past few days, from Air China. You may also be able to find cheap deals on Qatar Airways and Air Canada, with prices starting from $836 and $886, respectively.

  • What are the most popular routes from Australia to Washington, D.C. Dulles Intl Airport?

    While some choose either Sydney Kingsford Smith - Washington, D.C. Dulles Intl or Brisbane - Washington, D.C. Dulles Intl, Melbourne - Washington, D.C. Dulles Intl is the most popular route from Australia to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Australia to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Australia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Dulles Intl.

  • Can I find deals for business class flights from Australia to Dulles Intl?

    Yes. Cheapflights offers flight deals from Australia to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Australia to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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.

See more FAQs

Traveling to a place near Australia?

Book flights to Australia if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Melbourne to Dulles Intl flights
Melbourne to Baltimore flights
Melbourne to Reagan-National flights
Sydney to Dulles Intl flights
Sydney to Baltimore flights
Sydney to Reagan-National flights
Auckland to Dulles Intl flights
Brisbane to Dulles Intl flights
Auckland to Reagan-National flights
Auckland to Baltimore flights
Brisbane to Baltimore flights
Brisbane to Reagan-National flights
Perth to Baltimore flights
Tamuning to Reagan-National flights
Canberra to Dulles Intl flights
Perth to Dulles Intl flights
Tamuning to Dulles Intl flights
Tamuning to Baltimore flights
Canberra to Baltimore flights
Christchurch to Dulles Intl flights
Coolangatta to Dulles Intl flights
I Fadang to Dulles Intl flights

Top 5 airlines flying from Australia to Dulles Intl

Discover the top 5 airlines that operate flights from Australia to Dulles Intl. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$778Average$1,364FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$889Average$1,021FlexibilityNo cancel feeOn-time67%
Virgin AustraliaCheapest$1,146Average$1,911FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,240Average$1,757FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$1,983Average$2,039FlexibilityNo cancel feeOn-time68%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.