Australia

$496+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
May 10 — May 171
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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 April 10, 2026.

This Trip.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/67:40 am
IAD
-
SYD
3 stops38h 10m
Multiple Airlines
Wed 5/131:15 pm
SYD
-
IAD
3 stops36h 26m
Multiple Airlines
Deal found 4/6$1,064
This Trip.com deal was found by Cheapflights users on 4/9. 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.
Thu 5/711:07 am
IAD
-
MEL
3 stops34h 53m
Multiple Airlines
Thu 5/281:30 pm
MEL
-
IAD
3 stops32h 42m
Multiple Airlines
Deal found 4/9$1,089
This oojo deal was found by Cheapflights users on 4/5. 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.
Wed 5/65:59 pm
IAD
-
SYD
1 stop22h 56m
Qantas Airways
Wed 5/2012:00 pm
SYD
-
IAD
1 stop25h 26m
Qantas Airways
Deal found 4/5$1,140
This oojo deal was found by Cheapflights users on 4/7. 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.
Sun 4/125:59 pm
IAD
-
SYD
1 stop22h 56m
Qantas Airways
Sun 5/312:00 pm
SYD
-
IAD
1 stop25h 26m
Qantas Airways
Deal found 4/7$1,141
This oojo deal was found by Cheapflights users on 4/6. 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.
Mon 6/15:16 pm
DCA
-
SYD
1 stop24h 14m
Qantas Airways
Sat 7/2512:00 pm
SYD
-
DCA
1 stop20h 59m
Qantas Airways
Deal found 4/6$1,141
This Trip.com deal was found by Cheapflights users on 4/9. 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.
Sun 5/247:00 am
DCA
-
BNE
3 stops37h 35m
Multiple Airlines
Sun 5/3111:35 am
BNE
-
DCA
3 stops39h 24m
Multiple Airlines
Deal found 4/9$1,144
This oojo deal was found by Cheapflights users on 4/6. 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.
Mon 9/146:41 pm
IAD
-
SYD
1 stop22h 14m
Qantas Airways
Wed 9/2312:00 pm
SYD
-
IAD
1 stop24h 47m
Qantas Airways
Deal found 4/6$1,155
This oojo deal was found by Cheapflights users on 4/6. 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.
Fri 8/215:30 pm
DCA
-
SYD
1 stop23h 35m
Qantas Airways
Fri 8/2812:00 pm
SYD
-
DCA
1 stop23h 30m
Qantas Airways
Deal found 4/6$1,155
This oojo deal was found by Cheapflights users on 4/7. 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.
Tue 9/86:41 pm
IAD
-
SYD
1 stop22h 14m
Qantas Airways
Wed 9/3012:00 pm
SYD
-
IAD
1 stop24h 47m
Qantas Airways
Deal found 4/7$1,157
This oojo deal was found by Cheapflights users on 4/5. 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 8/85:30 pm
DCA
-
SYD
1 stop24h 00m
Qantas Airways
Thu 8/2012:00 pm
SYD
-
DCA
1 stop21h 13m
Qantas Airways
Deal found 4/5$1,157
This oojo deal was found by Cheapflights users on 4/8. 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 8/225:30 pm
DCA
-
SYD
1 stop24h 00m
Multiple Airlines
Thu 9/39:10 am
SYD
-
DCA
1 stop24h 50m
Multiple Airlines
Deal found 4/8$1,171
This oojo deal was found by Cheapflights users on 4/6. 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.
Tue 10/69:30 am
DCA
-
SYD
1 stop31h 35m
Multiple Airlines
Thu 10/226:50 pm
SYD
-
DCA
1 stop40h 10m
Multiple Airlines
Deal found 4/6$1,173

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,064
(Trip.com)

One-way from

$496
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,297
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. 3% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 8/29

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Wed 9/2

12:00 pm-11:00 pm

1 stop25h 00m

$1,233

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Thu 5/7

4:59 pm-10:35 am

2 stops27h 36m

Melbourne

Thu 5/28

6:00 am-8:15 pm

2 stops28h 15m

$1,399

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 4/21

4:59 pm-11:30 am

2 stops28h 31m

Brisbane

Tue 5/5

8:45 am-6:00 pm

2 stops23h 15m

$1,401

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 5/19

4:59 pm-1:15 pm

2 stops30h 16m

Brisbane

Fri 5/29

6:15 pm-7:13 pm

2 stops38h 58m

$1,438

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sat 7/4

7:29 pm-10:05 am

2 stops24h 36m

Brisbane

Sat 7/18

8:35 pm-5:13 am

1 stop22h 38m

$1,442

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 5/18

4:11 pm-9:20 am

2 stops27h 09m

Brisbane

Mon 5/25

9:10 am-11:44 pm

2 stops28h 34m

$1,458

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sat 8/8

5:30 pm-1:20 pm

2 stops29h 50m

Melbourne

Wed 8/12

7:10 am-9:30 pm

2 stops28h 20m

$1,478

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Thu 6/4

5:16 pm-4:50 pm

2 stops33h 34m

Brisbane

Mon 6/8

6:15 pm-9:30 pm

2 stops41h 15m

$1,479
Quickest round-trip

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 5/21

6:59 pm-8:15 am

1 stop23h 16m

Melbourne

Fri 6/12

10:55 am-5:57 pm

1 stop21h 02m

$1,559

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sun 5/10

6:20 pm-8:15 am

1 stop23h 55m

Melbourne

Sun 5/17

9:30 am-5:08 pm

1 stop21h 38m

$1,559

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $129). Flying from Washington, D.C. to Australia in March is currently the most expensive (average of $855). 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 April 10, 2026.
See what other customers who have flown with Air New Zealand,Delta, andQantas 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.

Food

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Food

7.4

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 $1,559, Qantas Airways can have you in Australia from Washington, D.C. in 23h 16m. 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 Delta ($632), United Airlines ($794), and Qantas Airways ($830).

  • 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 $129). Flying from Washington, D.C. to Australia in March is currently the most expensive (average of $855). 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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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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$869FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$327Average$1,600FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$719Average$980FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$787Average$1,462FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$836Average$1,564FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$839Average$1,305FlexibilityNo cancel feeOn-time67%
Qatar AirwaysCheapest$1,195Average$2,421FlexibilityNo cancel feeOn-time68%
Air New ZealandCheapest$1,195Average$1,703FlexibilityNo cancel feeOn-time78%

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