Australia

$494+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
Dec 26 — Jan 21
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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 November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/25. 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.
Thu 12/44:15 pmBWI - BNE
2 stops24h 15mUnited Airlines
Mon 12/811:40 amBNE - BWI
1 stop20h 36mUnited Airlines
Deal found 11/25$1,036
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/216:15 amBWI - BNE
2 stops58h 15mUnited Airlines
Sat 12/2711:40 amBNE - BWI
1 stop25h 14mUnited Airlines
Deal found 11/24$1,057
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/216:15 amBWI - BNE
2 stops58h 15mUnited Airlines
Sun 12/2811:40 amBNE - BWI
1 stop32h 34mUnited Airlines
Deal found 11/24$1,067
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/39:00 amBWI - MEL
1 stop33h 00mUnited Airlines
Fri 12/1211:30 amMEL - BWI
1 stop25h 57mUnited Airlines
Deal found 11/25$1,283
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/310:20 amBWI - MEL
2 stops31h 10mUnited Airlines
Thu 12/111:00 pmMEL - BWI
2 stops24h 08mUnited Airlines
Deal found 11/25$1,288
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/238:15 amBWI - BNE
2 stops32h 15mUnited Airlines
Sat 12/2711:40 amBNE - BWI
1 stop25h 14mUnited Airlines
Deal found 11/24$1,331
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Mon 12/1510:20 amBWI - BNE
2 stops30h 10mUnited Airlines
Mon 12/2211:40 amBNE - BWI
1 stop32h 34mUnited Airlines
Deal found 11/25$1,341
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/238:15 amBWI - BNE
2 stops32h 15mUnited Airlines
Mon 12/2911:40 amBNE - BWI
2 stops57h 40mUnited Airlines
Deal found 11/24$1,347
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:59 amDCA - SYD
1 stop29h 26mMultiple Airlines
Thu 12/115:45 pmSYD - DCA
2 stops35h 21mMultiple Airlines
Deal found 11/25$1,350
This Ovago deal was found by Cheapflights users on 11/24. 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.
Wed 12/103:20 pmBWI - SYD
2 stops31h 05mQantas Airways
Tue 1/137:15 pmSYD - BWI
2 stops43h 55mQantas Airways
Deal found 11/24$1,351
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Fri 12/196:15 amBWI - BNE
2 stops58h 15mUnited Airlines
Sat 12/2711:40 amBNE - BWI
1 stop25h 14mUnited Airlines
Deal found 11/24$1,352
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/236:30 amBWI - BNE
1 stop34h 00mUnited Airlines
Sun 12/2811:40 amBNE - BWI
1 stop32h 34mUnited Airlines
Deal found 11/24$1,353

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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$994
(Air Canada)

One-way from

$494
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,069
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.
From Washington, D.C. (WAS) to Australia
One-way flight from Washington, D.C. (WAS) to Australia
Highest demand for flights based on searches. 16% potential increase in price ($235 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in November 2025

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 November 26, 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

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 3/2

3:22 pm-6:30 am

1 stop24h 08m

Brisbane

Fri 3/13

8:40 am-2:30 pm

1 stop19h 50m

$1,027

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 2/15

3:21 pm-6:30 am

1 stop24h 09m

Brisbane

Sat 2/28

9:40 am-4:49 pm

2 stops22h 09m

$1,032

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 3/12

12:40 pm-6:30 am

2 stops27h 50m

Brisbane

Sat 3/21

10:40 am-5:20 pm

1 stop20h 40m

$1,036

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Tue 2/3

8:42 am-7:30 am

1 stop31h 48m

Brisbane

Sat 2/14

11:40 am-5:20 pm

1 stop20h 40m

$1,036

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 3/12

8:31 am-6:30 am

1 stop31h 59m

Brisbane

Wed 4/1

10:30 am-5:17 pm

1 stop20h 47m

$1,036

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 2/21

8:42 am-7:30 am

1 stop31h 48m

Brisbane

Sat 3/21

10:40 am-5:20 pm

1 stop20h 40m

$1,036

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 3/16

8:31 am-6:30 am

1 stop31h 59m

Brisbane

Tue 3/31

10:30 am-5:17 pm

1 stop20h 47m

$1,036

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 3/11

8:31 am-6:30 am

1 stop31h 59m

Brisbane

Wed 4/1

10:30 am-5:17 pm

1 stop20h 47m

$1,036

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 1/13

9:40 am-8:45 am

2 stops32h 05m

Brisbane

Sat 2/7

6:10 am-7:59 pm

3 stops28h 49m

$1,130

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 2/15

8:30 am-5:00 am

1 stop29h 30m

Brisbane

Sat 2/28

9:40 am-7:52 pm

1 stop25h 12m

$1,173

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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, August is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $137). Flying from Washington, D.C. to Australia in May is currently the most expensive (average of $827). 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 November 26, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 5% on flights from Washington, D.C. to Australia by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Australia?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Australia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Australia flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 26, 2025.
See what other customers who have flown with Delta, Qantas Airways, and United 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

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.
  • How long is the flight from Washington, D.C. to Australia?

    For as low as $1,027, American Airlines can have you in Australia from Washington, D.C. in 24h 08m. There are 9480 mi between Washington, D.C. and Australia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 American Airlines ($560), United Airlines ($565), and Alaska Airlines ($839).

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $137). Flying from Washington, D.C. to Australia in May is currently the most expensive (average of $827). 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 8 airlines flying from Washington, D.C. to Australia

Discover the top 8 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,037FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$327Average$1,601FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$689Average$1,116FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$692Average$1,315FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$839Average$1,365FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,257Average$1,692FlexibilityNo cancel feeOn-time78%
ANACheapest$1,370Average$1,554FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$1,961Average$2,163FlexibilityNo cancel feeOn-time68%

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