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$491+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Air Canada deal was found by Cheapflights users on 1/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:09 pm
IAD
-
BNE
2 stops43h 36m
Air Canada
Sun 3/159:45 am
BNE
-
IAD
2 stops39h 44m
Air Canada
Deal found 1/24$1,015
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:45 am
IAD
-
BNE
2 stops32h 00m
Air Canada
Wed 3/410:45 am
BNE
-
IAD
2 stops25h 09m
Air Canada
Deal found 1/26$1,062
This Travelocity deal was found by Cheapflights users on 1/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:15 am
IAD
-
BNE
2 stops32h 50m
Multiple Airlines
Sat 5/238:40 pm
BNE
-
IAD
2 stops47h 42m
Multiple Airlines
Deal found 1/24$1,064
This Air Canada deal was found by Cheapflights users on 1/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:40 pm
DCA
-
BNE
2 stops45h 05m
Air Canada
Sun 3/159:45 am
BNE
-
DCA
2 stops38h 36m
Air Canada
Deal found 1/24$1,067
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub 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
Mon 6/810:00 am
BNE
-
IAD
2 stops39h 16m
Air Canada
Deal found 1/26$1,073
This Air Canada deal was found by Cheapflights users on 1/25. 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.
Sun 3/810:10 pm
IAD
-
BNE
2 stops43h 35m
Multiple Airlines
Sun 3/159:45 am
BNE
-
IAD
2 stops39h 44m
Multiple Airlines
Deal found 1/25$1,074
This Air Canada deal was found by Cheapflights users on 1/25. 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.
Wed 3/116:00 am
DCA
-
BNE
2 stops35h 45m
Air Canada
Wed 3/189:45 am
BNE
-
DCA
2 stops26h 11m
Air Canada
Deal found 1/25$1,076
This Air Canada deal was found by Cheapflights users on 1/25. 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.
Wed 3/119:55 am
IAD
-
BNE
2 stops31h 50m
Air Canada
Wed 3/189:45 am
BNE
-
IAD
2 stops25h 09m
Air Canada
Deal found 1/25$1,076
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:45 pm
DCA
-
BNE
2 stops28h 20m
Air Canada
Fri 7/1010:00 am
BNE
-
DCA
2 stops25h 48m
Air Canada
Deal found 1/26$1,082
This Orbitz deal was found by Cheapflights users on 1/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:15 am
IAD
-
BNE
2 stops32h 50m
Air Canada
Fri 5/1510:00 am
BNE
-
IAD
2 stops35h 50m
Air Canada
Deal found 1/26$1,088
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:15 am
IAD
-
BNE
2 stops32h 50m
Air Canada
Mon 5/1810:00 am
BNE
-
IAD
2 stops44h 30m
Air Canada
Deal found 1/26$1,100
This FlightHub deal was found by Cheapflights users on 1/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:45 pm
DCA
-
BNE
2 stops52h 20m
Air Canada
Sun 5/2410:00 am
BNE
-
DCA
2 stops25h 55m
Air Canada
Deal found 1/24$1,104

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,052
(FlightHub)

One-way from

$491
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$1,426
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. 11% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 26, 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

Sun 3/8

10:09 pm-7:45 am

2 stops43h 36m

Brisbane

Sun 3/15

9:45 am-11:29 am

2 stops39h 44m

$1,015

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 3/8

8:40 pm-7:45 am

2 stops45h 05m

Brisbane

Sun 3/15

9:45 am-10:21 am

2 stops38h 36m

$1,067

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Fri 6/12

12:45 pm-7:05 am

2 stops28h 20m

Brisbane

Fri 7/10

10:00 am-9:48 pm

2 stops25h 48m

$1,082

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 3/8

12:33 pm-11:30 am

3 stops32h 57m

Brisbane

Sun 3/15

9:45 am-9:23 pm

2 stops25h 38m

$1,093

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sat 5/2

12:45 pm-7:05 am

2 stops52h 20m

Brisbane

Sun 5/24

10:00 am-9:55 pm

2 stops25h 55m

$1,104

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 3/3

11:05 am-8:45 am

2 stops30h 40m

Brisbane

Thu 3/19

9:45 am-9:56 pm

2 stops26h 11m

$1,105

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 3/3

9:45 am-8:45 am

2 stops32h 00m

Brisbane

Thu 3/19

9:45 am-8:54 pm

2 stops25h 09m

$1,105

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Thu 4/2

12:40 pm-10:55 am

3 stops32h 15m

Brisbane

Tue 4/14

10:00 am-11:17 am

2 stops39h 17m

$1,152

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 3/10

9:59 am-9:30 am

1 stop32h 31m

Melbourne

Tue 3/17

1:45 pm-8:00 pm

2 stops45h 15m

$1,155

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Wed 3/4

9:59 am-9:30 am

1 stop31h 31m

Melbourne

Wed 3/11

1:45 pm-8:05 pm

2 stops45h 20m

$1,155

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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.

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 January 26, 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
574 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very good
574 reviews
Air New Zealand
8.0
Very good
574 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Delta
7.9
Good
8,111 reviews
Air New Zealand
8.0
Very good
574 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Qantas Airways
7.5
Good
977 reviews
Air New Zealand
8.0
Very good
574 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,199 reviews
Air New Zealand
8.0
Very good
574 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
American Airlines
7.2
Good
11,189 reviews
Air New Zealand
8.0
Very good
574 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.4

Entertainment

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

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 $1,192, Air Canada can have you in Australia from Washington, D.C. in 22h 39m. 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), American Airlines ($395), and United Airlines ($462).

  • 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 $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.
Dulles Intl to Melbourne flights
Dulles Intl to Sydney flights
Reagan-National to Melbourne flights
Dulles Intl to Auckland flights
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Reagan-National to Papeete flights
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Dulles Intl to Perth flights
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Dulles Intl to Cairns flights
Reagan-National to Cairns flights
Reagan-National to Hobart flights
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Reagan-National to Port Moresby flights
Dulles Intl to Hamilton flights
Dulles Intl to Port Moresby flights
Dulles Intl to Toowoomba flights
Reagan-National to Apia flights
Reagan-National to Coolangatta flights

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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$901FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$346Average$1,585FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$587Average$1,392FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$818Average$1,156FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$839Average$1,352FlexibilityNo cancel feeOn-time67%
Qatar AirwaysCheapest$1,195Average$2,250FlexibilityNo cancel feeOn-time68%
Air New ZealandCheapest$1,257Average$1,783FlexibilityNo cancel feeOn-time78%

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