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Dulles Intl

$465+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
abr. 27 — may. 41
dom. 4/27
dom. 5/4
1 adult, Economy
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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 abril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$927
(Trip.com)

One-way from

$465
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,352
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. (WAS) flights.
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From Australia to Washington, D.C. Dulles Intl
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One-way flight from Australia to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 10% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/169:45 amBNE - IAD
1 stop27h 29mQantas Airways
sáb. 1/105:15 pmIAD - BNE
1 stop22h 15mQantas Airways
Deal found 4/22$785
This Trip.com deal was found by Cheapflights users on 4/20. 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.
jue. 6/51:15 pmSYD - IAD
2 stops34h 54mMultiple Airlines
jue. 6/1211:04 amIAD - SYD
2 stops35h 11mMultiple Airlines
Deal found 4/20$927
This Qantas Airways deal was found by Cheapflights users on 4/22. 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.
sáb. 11/17:30 amSYD - IAD
2 stops23h 37mQantas Airways
sáb. 11/85:16 pmIAD - SYD
2 stops25h 34mQantas Airways
Deal found 4/22$1,087
This Ovago deal was found by Cheapflights users on 4/21. 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.
mié. 7/167:45 pmSYD - IAD
2 stops49h 08mAir China
mar. 8/1211:00 pmIAD - SYD
1 stop49h 50mAir China
Deal found 4/21$1,162
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
mar. 7/159:40 pmSYD - IAD
2 stops32h 45mAlaska Airlines
dom. 8/108:19 pmIAD - SYD
2 stops33h 26mAlaska Airlines
Deal found 4/22$1,299
This Trip.com deal was found by Cheapflights users on 4/21. 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.
mar. 5/2711:40 amBNE - IAD
2 stops32h 15mFiji Airways
mar. 6/107:15 amIAD - BNE
2 stops37h 10mFiji Airways
Deal found 4/21$1,304
This KAYAK deal was found by Cheapflights users on 4/21. 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.
mar. 10/2112:50 pmSYD - IAD
1 stop36h 15mANA
mié. 11/1211:05 amIAD - SYD
1 stop31h 25mANA
Deal found 4/21$1,312
This Trip.com deal was found by Cheapflights users on 4/21. 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.
mié. 6/411:15 pmPER - IAD
2 stops48h 30mMultiple Airlines
mié. 6/111:30 pmIAD - PER
2 stops38h 45mMultiple Airlines
Deal found 4/21$1,358
This Air Canada deal was found by Cheapflights users on 4/21. 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.
lun. 10/2010:20 amSYD - IAD
2 stops39h 56mAir Canada
dom. 11/910:05 pmIAD - SYD
2 stops43h 30mAir Canada
Deal found 4/21$1,371
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/610:35 amMEL - IAD
2 stops35h 05mMultiple Airlines
vie. 6/1311:00 amIAD - MEL
2 stops32h 50mMultiple Airlines
Deal found 4/21$1,412
This Korean Air deal was found by Cheapflights users on 4/21. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/248:55 amSYD - IAD
1 stop41h 00mKorean Air
vie. 11/1411:50 amIAD - SYD
1 stop27h 05mKorean Air
Deal found 4/21$1,424
This United Airlines deal was found by Cheapflights users on 4/22. 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.
mié. 6/2510:55 amMEL - IAD
1 stop24h 14mUnited Airlines
mié. 7/93:00 pmIAD - MEL
1 stop27h 15mUnited Airlines
Deal found 4/22$1,427

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 abril 22, 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

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 6/5

1:15 pm-10:09 am

2 stops34h 54m

Washington, D.C. Dulles Intl

jue. 6/12

11:04 am-12:15 pm

2 stops35h 11m

$927

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mié. 7/16

7:45 pm-6:53 am

2 stops49h 08m

Washington, D.C. Dulles Intl

mar. 8/12

11:00 pm-2:50 pm

1 stop49h 50m

$1,162

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 7/15

9:40 pm-4:25 pm

2 stops32h 45m

Washington, D.C. Dulles Intl

dom. 8/10

8:19 pm-7:45 pm

2 stops33h 26m

$1,299

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

mar. 5/27

11:40 am-5:55 am

2 stops32h 15m

Washington, D.C. Dulles Intl

mar. 6/10

7:15 am-10:25 am

2 stops37h 10m

$1,304

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

dom. 10/19

9:45 pm-10:05 am

1 stop27h 20m

Washington, D.C. Dulles Intl

mié. 11/12

11:05 am-10:30 am

1 stop31h 25m

$1,312

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

mié. 6/4

11:15 pm-11:45 am

2 stops48h 30m

Washington, D.C. Dulles Intl

mié. 6/11

1:30 pm-4:15 pm

2 stops38h 45m

$1,358

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 7/17

9:20 am-9:16 pm

2 stops49h 56m

Washington, D.C. Dulles Intl

mar. 8/12

9:45 am-7:20 am

3 stops31h 35m

$1,371

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

vie. 6/6

10:35 am-7:40 am

2 stops35h 05m

Washington, D.C. Dulles Intl

vie. 6/13

11:00 am-9:50 am

2 stops32h 50m

$1,412

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

mié. 6/25

10:55 am-9:09 pm

1 stop24h 14m

Washington, D.C. Dulles Intl

mié. 7/9

3:00 pm-8:15 am

1 stop27h 15m

$1,427

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 7/15

10:20 am-4:23 pm

1 stop20h 03m

Washington, D.C. Dulles Intl

mié. 8/13

5:53 pm-6:55 am

1 stop23h 02m

$1,430

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 60 results
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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 $383). 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 abril 22, 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 abril 22, 2025.
See what other customers who have flown with Air Tahiti Nui, Korean Air and Japan Airlines 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
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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
1,062 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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.
Japan Airlines
8.3
Very good
1,450 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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
847 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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.
Fiji Airways
8.1
Very good
188 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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?

    $643 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Air China and Fiji Airways, with prices starting from $681 and $828, respectively.

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

    While some choose either Brisbane - Washington, D.C. Dulles Intl or Melbourne - Washington, D.C. Dulles Intl, Sydney Kingsford Smith - 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 $383). 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
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Fredericksburg
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Laurel
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National Harbor
Oxon Hill

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Alternative routes for Australia to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Australia to Dulles Intl

Discover the top 4 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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$778Average$1,364FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$889Average$1,021FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,123Average$1,741FlexibilityNo cancel feeOn-time69%
Virgin AustraliaCheapest$1,146Average$1,911FlexibilityNo cancel feeOn-time80%

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