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$472+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
1 adult, Economy
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Cheap 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 February 22, 2026.

This Travelocity deal was found by Cheapflights users on 2/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:55 pm
DCA
-
BNE
2 stops28h 10m
Air Canada
Mon 4/2010:00 am
BNE
-
DCA
2 stops25h 53m
Air Canada
Deal found 2/21$932
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Mon 6/19:40 am
DCA
-
BNE
2 stops31h 25m
Air Canada
Tue 6/910:00 am
BNE
-
DCA
2 stops25h 55m
Air Canada
Deal found 2/21$934
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Tue 4/79:55 am
IAD
-
BNE
2 stops31h 10m
Air Canada
Mon 4/2010:00 am
BNE
-
IAD
2 stops24h 29m
Air Canada
Deal found 2/21$939
This BusinessClass deal was found by Cheapflights users on 2/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:55 pm
DCA
-
BNE
2 stops28h 10m
Air New Zealand
Sun 4/1910:00 am
BNE
-
DCA
2 stops40h 01m
Air New Zealand
Deal found 2/21$940
This Air Canada deal was found by Cheapflights users on 2/19. 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 4/219:55 am
IAD
-
BNE
2 stops31h 10m
Air Canada
Tue 5/1210:00 am
BNE
-
IAD
2 stops24h 29m
Air Canada
Deal found 2/19$940
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Mon 6/19:40 am
DCA
-
BNE
2 stops31h 25m
Air Canada
Thu 7/3010:00 am
BNE
-
DCA
2 stops25h 48m
Air Canada
Deal found 2/21$971
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Mon 6/19:45 am
IAD
-
BNE
2 stops31h 20m
Air Canada
Thu 7/3010:00 am
BNE
-
IAD
2 stops24h 24m
Air Canada
Deal found 2/21$976
This BusinessClass deal was found by Cheapflights users on 2/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:55 pm
DCA
-
BNE
2 stops28h 50m
Air New Zealand
Fri 3/139:45 am
BNE
-
DCA
2 stops38h 36m
Air New Zealand
Deal found 2/18$985
This BusinessClass deal was found by Cheapflights users on 2/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:21 am
IAD
-
BNE
1 stop32h 44m
Multiple Airlines
Thu 7/3010:00 am
BNE
-
IAD
2 stops24h 24m
Multiple Airlines
Deal found 2/21$986
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:40 am
DCA
-
BNE
2 stops31h 25m
Air Canada
Sun 7/510:00 am
BNE
-
DCA
2 stops38h 18m
Air Canada
Deal found 2/20$991
This BusinessClass deal was found by Cheapflights users on 2/21. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:15 am
IAD
-
BNE
2 stops32h 50m
Multiple Airlines
Sun 4/1910:00 am
BNE
-
IAD
2 stops25h 18m
Multiple Airlines
Deal found 2/21$996
This BusinessClass deal was found by Cheapflights users on 2/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:18 am
IAD
-
BNE
2 stops32h 47m
Asiana Airlines
Wed 7/110:00 am
BNE
-
IAD
2 stops35h 44m
Asiana Airlines
Deal found 2/20$997

Find 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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$932
(Travelocity)

One-way from

$472
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,253
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.
Search Deals
From Washington, D.C. (WAS) to Australia
Search Deals
One-way flight from Washington, D.C. (WAS) to Australia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 22, 2026.
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

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 4/21

9:55 am-7:05 am

2 stops31h 10m

Brisbane

Tue 5/12

10:00 am-8:29 pm

2 stops24h 29m

$940

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 3/8

2:38 pm-7:20 am

2 stops50h 42m

Brisbane

Sun 3/15

9:40 am-10:14 pm

2 stops26h 34m

$1,089

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Tue 3/10

6:59 pm-7:20 am

2 stops46h 21m

Brisbane

Sun 3/15

9:40 am-8:27 pm

2 stops24h 47m

$1,095

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 2/25

9:40 am-8:45 am

2 stops32h 05m

Brisbane

Wed 3/4

10:45 am-12:19 pm

2 stops40h 34m

$1,113

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 2/25

9:40 am-8:45 am

2 stops32h 05m

Brisbane

Mon 3/2

10:45 am-10:21 am

2 stops38h 36m

$1,116

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 2/25

9:40 am-8:45 am

2 stops32h 05m

Brisbane

Tue 3/3

10:45 am-8:55 am

2 stops37h 10m

$1,121

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 4/11

3:42 pm-8:15 am

2 stops26h 33m

Melbourne

Sat 4/25

10:55 am-9:24 pm

2 stops24h 29m

$1,140

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 3/8

6:31 pm-6:30 am

1 stop21h 59m

Brisbane

Sat 3/21

10:40 am-5:20 pm

1 stop20h 40m

$1,143

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 3/7

6:31 pm-7:30 am

1 stop21h 59m

Brisbane

Wed 3/11

10:40 am-5:20 pm

1 stop20h 40m

$1,144

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 3/7

6:31 pm-7:30 am

1 stop21h 59m

Brisbane

Sun 3/15

10:40 am-5:20 pm

1 stop20h 40m

$1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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 $135). 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.

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 February 22, 2026.
See what other customers who have flown with Air New Zealand, Delta, and Qantas Airways 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.
Air New Zealand
8.0
Very good
597 reviews

Overall

8.0

Crew

8.5

Entertainment

7.4

Comfort

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Air New Zealand
8.0
Very good
597 reviews
Air New Zealand
8.0
Very good
597 reviews

Overall

8.0

Crew

8.5

Entertainment

7.4

Comfort

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Delta
7.9
Good
8,235 reviews
Air New Zealand
8.0
Very good
597 reviews

Overall

8.0

Crew

8.5

Entertainment

7.4

Comfort

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Qantas Airways
7.5
Good
997 reviews
Air New Zealand
8.0
Very good
597 reviews

Overall

8.0

Crew

8.5

Entertainment

7.4

Comfort

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
United Airlines
7.4
Good
9,342 reviews
Air New Zealand
8.0
Very good
597 reviews

Overall

8.0

Crew

8.5

Entertainment

7.4

Comfort

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
American Airlines
7.2
Good
11,339 reviews
Air New Zealand
8.0
Very good
597 reviews

Overall

8.0

Crew

8.5

Entertainment

7.4

Comfort

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

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 $1,140, Air Canada can have you in Australia from Washington, D.C. in 26h 33m. There are 10200 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 Qantas Airways ($385), United Airlines ($462), and Delta ($632).

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

    The most popular flight routes from Washington, D.C. to Australia are Washington, D.C. Dulles Intl - Melbourne, Washington, D.C. Dulles Intl - Sydney Kingsford Smith and Baltimore/Washington - Melbourne.

  • 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 $135). 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

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

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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$966FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$346Average$1,560FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$587Average$1,453FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$818Average$1,300FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$839Average$1,214FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,195Average$1,720FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,961Average$2,378FlexibilityNo cancel feeOn-time68%

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