Australia

$450+ Cheap flights from Washington, D.C. (WAS) 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
Jul 7 — Jul 141
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Cheap flight deals from Washington, D.C. to Australia

Keep the following information in mind while searching for Washington, D.C. to Australia flight deals. Data was last updated July 2, 2025.

Round-trip from

$989
(Trip.com)

One-way from

$450
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,323
From Washington, D.C. (WAS) to Australia
One-way flight from Washington, D.C. (WAS) to Australia
Highest demand for flights based on searches. 21% potential increase in price ($332 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Washington, D.C. to Australia

Cheapest flights from Washington, D.C. to Australia
Explore the most affordable flight options available from Washington, D.C. to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This Mytrip deal was found by Cheapflights users on 6/30. 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.
Mon 10/271:37 pmBWI - SYD
2 stops32h 08mMultiple Airlines
Sun 11/96:00 amSYD - BWI
3 stops34h 34mMultiple Airlines
Deal found 6/30$986
This oojo deal was found by Cheapflights users on 6/30. 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.
Sat 11/83:23 pmBWI - BNE
1 stop24h 07mQantas Airways
Sat 11/229:45 amBNE - BWI
1 stop23h 28mQantas Airways
Deal found 6/30$987
This Trip.com deal was found by Cheapflights users on 7/1. 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 8/155:45 amBWI - MEL
2 stops40h 15mMultiple Airlines
Fri 8/221:30 pmMEL - BWI
2 stops31h 24mMultiple Airlines
Deal found 7/1$989
This Vliegwinkel deal was found by Cheapflights users on 6/30. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:59 amDCA - SYD
1 stop31h 06mMultiple Airlines
Thu 8/219:10 amSYD - DCA
1 stop25h 49mMultiple Airlines
Deal found 6/30$1,002
This flugladen.de deal was found by Cheapflights users on 7/1. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/159:59 amDCA - SYD
1 stop31h 06mAlaska Airlines
Fri 8/229:10 amSYD - DCA
1 stop25h 49mAlaska Airlines
Deal found 7/1$1,023
This Fareboom deal was found by Cheapflights users on 6/30. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:07 amBWI - BNE
2 stops32h 53mAir New Zealand
Sat 11/228:20 amBNE - BWI
2 stops38h 41mAir New Zealand
Deal found 6/30$1,052
This SmartFares deal was found by Cheapflights users on 6/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:23 pmBWI - SYD
1 stop23h 32mQantas Airways
Sun 12/149:55 pmSYD - BWI
2 stops40h 31mQantas Airways
Deal found 6/30$1,065
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/88:30 amBWI - BNE
1 stop32h 00mUnited Airlines
Sat 11/2211:40 amBNE - BWI
1 stop20h 48mUnited Airlines
Deal found 7/1$1,067
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:40 pmBWI - BNE
2 stops45h 05mDelta
Wed 12/1010:45 amBNE - BWI
2 stops28h 27mDelta
Deal found 6/30$1,085
This Trip.com deal was found by Cheapflights users on 7/1. 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 8/96:10 amIAD - SYD
2 stops34h 55mMultiple Airlines
Sun 8/1712:10 pmSYD - IAD
2 stops26h 09mMultiple Airlines
Deal found 7/1$1,097
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 10/217:55 amBWI - SYD
2 stops32h 35mAlaska Airlines
Thu 11/135:45 pmSYD - BWI
2 stops28h 33mAlaska Airlines
Deal found 7/1$1,109
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/136:30 amIAD - SYD
2 stops35h 00mAlaska Airlines
Wed 8/275:45 pmSYD - IAD
2 stops27h 47mAlaska Airlines
Deal found 6/30$1,167

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 July 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.

Fly from

Washington, D.C.

Fly to

Australia

Route

Depart

Return

Price

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 8/15

5:45 am-12:00 pm

2 stops40h 15m

Melbourne

Fri 8/22

1:30 pm-6:54 am

2 stops31h 24m

$989

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 8/14

9:59 am-7:05 am

1 stop31h 06m

Sydney Kingsford Smith

Thu 8/21

9:10 am-8:59 pm

1 stop25h 49m

$1,002

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 8/15

9:59 am-7:05 am

1 stop31h 06m

Sydney Kingsford Smith

Fri 8/22

9:10 am-8:59 pm

1 stop25h 49m

$1,023

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 10/27

1:37 pm-8:35 am

2 stops27h 58m

Sydney Kingsford Smith

Sun 11/9

11:20 am-12:34 am

3 stops29h 14m

$1,056

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 8/9

6:10 am-7:05 am

2 stops34h 55m

Sydney Kingsford Smith

Sun 8/17

12:10 pm-12:19 am

2 stops26h 09m

$1,097

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 10/21

7:55 am-7:30 am

2 stops32h 35m

Sydney Kingsford Smith

Thu 11/13

5:45 pm-6:18 am

2 stops28h 33m

$1,109

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 8/13

1:38 pm-6:55 am

1 stop27h 17m

Sydney Kingsford Smith

Wed 8/27

12:10 pm-11:02 pm

1 stop24h 52m

$1,119

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 8/12

1:38 pm-6:55 am

1 stop27h 17m

Sydney Kingsford Smith

Fri 8/22

12:10 pm-11:02 pm

1 stop24h 52m

$1,166

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 8/13

6:30 am-7:30 am

2 stops35h 00m

Sydney Kingsford Smith

Wed 8/27

5:45 pm-7:32 am

2 stops27h 47m

$1,167

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sat 8/16

6:05 am-7:00 am

1 stop34h 55m

Sydney Kingsford Smith

Fri 8/29

9:30 am-5:07 pm

1 stop21h 37m

$1,178

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Washington, D.C. 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 Washington, D.C. to Australia

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,040). Flying from Washington, D.C. to Australia in December is currently the most expensive (average of $1,630). 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 WAS to AU?

Find hourly flight availability from Washington, D.C. to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

When flying from Washington, D.C. to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 2, 2025.
See what other customers who have flown with Air Tahiti Nui, ANA, and Japan Airlines from Washington, D.C. to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Crew

9.0

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.

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Crew

9.0

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.
8.4
Very good

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Crew

9.0

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.

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Crew

9.0

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.

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Crew

9.0

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.

Food

7.8

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Crew

9.0

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 Washington, D.C. to Australia. 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 Washington, D.C. to Australia one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Australia are Qantas Airways ($570), Alaska Airlines ($579), and American Airlines ($625).

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

  • Can I find deals for flights from Washington, D.C. to Australia that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Australia?

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

  • Can I find deals for business class flights from Washington, D.C. to Australia?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Australia 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 Washington, D.C. to Australia?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $1,040). Flying from Washington, D.C. to Australia in December is currently the most expensive (average of $1,630). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Australia

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Washington, D.C. to Australia

Discover the top 7 airlines that operate flights from Washington, D.C. 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$346Average$1,631FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$600Average$1,048FlexibilityNo cancel feeOn-time71%
DeltaCheapest$609Average$1,185FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$678Average$1,352FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,015Average$1,370FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,261Average$1,937FlexibilityNo cancel feeOn-time78%
ANACheapest$1,370Average$1,587FlexibilityNo cancel feeOn-time80%

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