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

For as low as $1,136, Delta can have you in Australia from Washington, D.C. in 21h 55m. 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 Fiji Airways ($612), American Airlines ($686), and Delta ($701).

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 - Sydney Kingsford Smith, Washington, D.C. Reagan-National - Sydney Kingsford Smith and Washington, D.C. Dulles Intl - Melbourne.

What are the most popular airlines that fly from Washington, D.C. to Australia?

When booking a flight from Washington, D.C. to Australia, you may want to consider flying on American Airlines, United Airlines or Qantas Airways as they are the most popular for this route.

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.

$582+ Cheap Flights from Washington, D.C. to Australia

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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 October 14, 2025.

Sun 11/25:00 amBWI - BNE

2 stops32h 00mAmerican Airlines

Mon 11/177:40 pmBNE - BWI

2 stops29h 34mAmerican Airlines

Deal found 10/13

$1,021

Sun 11/27:45 pmBWI - BNE

2 stops45h 35mDelta

Sun 11/1610:40 amBNE - BWI

2 stops22h 42mDelta

Deal found 10/13

$1,030

Sun 11/27:45 pmBWI - BNE

2 stops45h 35mDelta

Fri 11/1410:40 amBNE - BWI

2 stops25h 04mDelta

Deal found 10/13

$1,080

Thu 11/131:53 pmBWI - BNE

2 stops24h 07mAmerican Airlines

Thu 11/209:40 amBNE - BWI

1 stop23h 37mAmerican Airlines

Deal found 10/14

$1,125

Fri 11/286:35 pmBWI - BNE

1 stop21h 55mUnited Airlines

Fri 12/511:40 amBNE - BWI

1 stop20h 36mUnited Airlines

Deal found 10/14

$1,136

Thu 11/278:15 amBWI - BNE

2 stops32h 15mUnited Airlines

Thu 12/411:40 amBNE - BWI

1 stop20h 36mUnited Airlines

Deal found 10/13

$1,138

Sat 11/14:12 pmBWI - BNE

2 stops24h 18mUnited Airlines

Sat 11/811:40 amBNE - BWI

1 stop20h 48mUnited Airlines

Deal found 10/14

$1,141

Mon 11/37:13 pmBWI - BNE

2 stops42h 47mAmerican Airlines

Tue 11/187:40 pmBNE - BWI

2 stops30h 42mAmerican Airlines

Deal found 10/13

$1,207

Sat 11/84:59 pmDCA - SYD

2 stops36h 51mFiji Airways

Sat 11/226:00 amSYD - DCA

2 stops31h 00mFiji Airways

Deal found 10/13

$1,216

Sat 11/154:59 pmDCA - SYD

2 stops27h 31mFiji Airways

Sat 11/226:00 amSYD - DCA

2 stops31h 00mFiji Airways

Deal found 10/13

$1,240

Tue 10/287:02 pmDCA - SYD

2 stops26h 43mFiji Airways

Sat 11/82:30 pmSYD - DCA

2 stops22h 29mFiji Airways

Deal found 10/14

$1,246

Sat 11/154:59 pmDCA - SYD

2 stops27h 31mFiji Airways

Sat 12/62:30 pmSYD - DCA

2 stops22h 30mFiji Airways

Deal found 10/13

$1,273

Best flights from Washington, D.C. to Australia
Discover carefully curated flight deals from Washington, D.C. to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2025.

Sun 11/27:45 pmBWI - BNE

2 stops45h 35mDelta

Sun 11/1610:40 amBNE - BWI

2 stops22h 42mDelta

Deal found 10/13

$1,030

Fri 11/286:35 pmBWI - BNE

1 stop21h 55mUnited Airlines

Fri 12/511:40 amBNE - BWI

1 stop20h 36mUnited Airlines

Deal found 10/14

$1,136

Fri 10/311:27 pmBWI - BNE

1 stop26h 03mQantas Airways

Sun 11/169:40 amBNE - BWI

1 stop23h 37mQantas Airways

Deal found 10/13

$1,243

Tue 11/1812:59 pmDCA - SYD

2 stops31h 31mMultiple Airlines

Thu 11/272:00 pmSYD - DCA

2 stops35h 04mMultiple Airlines

Deal found 10/13

$1,353

Thu 11/138:35 amDCA - BNE

2 stops58h 55mCathay Pacific

Wed 11/1912:30 amBNE - DCA

2 stops37h 30mCathay Pacific

Deal found 10/14

$1,442

Wed 1/145:26 pmIAD - SYD

3 stops34h 19mAlaska Airlines

Wed 1/219:40 pmSYD - IAD

3 stops35h 24mAlaska Airlines

Deal found 10/14

$1,485

Wed 1/141:08 pmIAD - SYD

2 stops27h 52mAmerican Airlines

Wed 1/2111:20 amSYD - IAD

2 stops25h 57mAmerican Airlines

Deal found 10/14

$1,548

Fri 11/286:50 pmDCA - BNE

2 stops46h 55mAir Canada

Fri 12/510:45 amBNE - DCA

2 stops46h 20mAir Canada

Deal found 10/14

$1,755

Mon 11/34:44 pmBWI - BNE

2 stops24h 36mDelta

Fri 11/1410:40 amBNE - BWI

2 stops28h 46mDelta

Deal found 10/13

$1,080

Thu 11/278:15 amBWI - BNE

2 stops32h 15mUnited Airlines

Thu 12/411:40 amBNE - BWI

1 stop20h 36mUnited Airlines

Deal found 10/13

$1,138

Mon 3/24:39 pmBWI - BNE

2 stops24h 41mDelta

Fri 3/139:40 amBNE - BWI

2 stops26h 16mDelta

Deal found 10/14

$1,091

Thu 11/1310:10 amBWI - BNE

2 stops30h 20mUnited Airlines

Thu 11/2011:40 amBNE - BWI

2 stops22h 41mUnited Airlines

Deal found 10/14

$1,141

Tue 11/113:23 pmBWI - SYD

1 stop23h 32mQantas Airways

Sun 11/237:15 pmSYD - BWI

2 stops35h 00mQantas Airways

Deal found 10/14

$1,310

Thu 12/45:01 pmDCA - SYD

2 stops27h 59mMultiple Airlines

Tue 12/92:10 pmSYD - DCA

2 stops22h 50mMultiple Airlines

Deal found 10/13

$1,359

Fri 11/2811:38 amBWI - BNE

2 stops29h 42mDelta

Fri 12/510:40 amBNE - BWI

2 stops26h 28mDelta

Deal found 10/14

$1,141

Wed 11/55:27 pmIAD - MEL

2 stops45h 43mCathay Pacific

Wed 11/123:35 pmMEL - IAD

2 stops46h 57mCathay Pacific

Deal found 10/11

$1,482

Wed 3/116:55 pmIAD - SYD

2 stops33h 50mAlaska Airlines

Thu 6/119:40 pmSYD - IAD

2 stops35h 21mAlaska Airlines

Deal found 10/13

$1,488

Tue 2/175:10 pmDCA - SYD

2 stops27h 20mMultiple Airlines

Sun 3/152:10 pmSYD - DCA

2 stops45h 45mMultiple Airlines

Deal found 10/13

$1,405

Mon 12/86:28 pmBWI - MEL

1 stop23h 32mUnited Airlines

Thu 12/251:00 pmMEL - BWI

1 stop24h 37mUnited Airlines

Deal found 10/13

$1,285

Wed 11/55:27 pmIAD - MEL

2 stops37h 33mCathay Pacific

Sun 11/93:35 pmMEL - IAD

2 stops46h 58mCathay Pacific

Deal found 10/11

$1,482

Tue 1/66:57 pmDCA - SYD

2 stops32h 48mAlaska Airlines

Wed 1/219:40 pmSYD - DCA

2 stops34h 29mAlaska Airlines

Deal found 10/14

$1,529

Tue 1/135:00 pmDCA - SYD

1 stop24h 00mQantas Airways

Tue 1/272:05 pmSYD - DCA

1 stop21h 39mQantas Airways

Deal found 10/13

$1,545

Wed 12/3111:30 amBWI - MEL

2 stops28h 30mDelta

Sun 1/1810:10 amMEL - BWI

2 stops30h 01mDelta

Deal found 10/13

$1,277

Tue 2/176:00 pmBWI - SYD

1 stop23h 05mUnited Airlines

Sun 3/1511:50 amSYD - BWI

1 stop25h 39mUnited Airlines

Deal found 10/13

$1,292

Wed 11/126:51 amDCA - MEL

2 stops37h 39mMultiple Airlines

Tue 11/1812:45 amMEL - DCA

2 stops37h 56mMultiple Airlines

Deal found 10/13

$1,443

Thu 11/278:35 amDCA - BNE

1 stop29h 25mAmerican Airlines

Thu 12/49:40 amBNE - DCA

1 stop28h 20mAmerican Airlines

Deal found 10/13

$1,792

Wed 11/55:27 pmIAD - MEL

2 stops45h 43mCathay Pacific

Mon 11/103:35 pmMEL - IAD

2 stops46h 58mCathay Pacific

Deal found 10/11

$1,482

Tue 11/186:13 pmIAD - SYD

2 stops33h 32mAlaska Airlines

Fri 12/269:40 pmSYD - IAD

2 stops24h 33mAlaska Airlines

Deal found 10/13

$1,535

Fri 10/316:00 amBWI - BNE

2 stops35h 20mDelta

Wed 11/1911:05 amBNE - BWI

2 stops22h 17mDelta

Deal found 10/13

$1,277

Wed 10/296:16 pmBWI - SYD

1 stop21h 44mUnited Airlines

Wed 11/1911:50 amSYD - BWI

1 stop20h 12mUnited Airlines

Deal found 10/12

$1,292

Last-minute flights from Washington, D.C. to Australia
Discover last-minute flight deals from Washington, D.C. to Australia. Data last updated October 14, 2025 and is based on user searches.

Tue 10/287:02 pmDCA - SYD

2 stops26h 43mFiji Airways

Sat 11/82:30 pmSYD - DCA

2 stops22h 29mFiji Airways

Deal found 10/14

$1,246

Sat 11/14:12 pmBWI - BNE

2 stops24h 18mUnited Airlines

Sat 11/811:40 amBNE - BWI

2 stops22h 41mUnited Airlines

Deal found 10/14

$1,141

Sun 11/25:00 amBWI - BNE

2 stops32h 00mAmerican Airlines

Mon 11/177:40 pmBNE - BWI

2 stops29h 34mAmerican Airlines

Deal found 10/13

$1,021

Sun 11/27:45 pmBWI - BNE

2 stops45h 35mDelta

Sun 11/1610:40 amBNE - BWI

2 stops22h 42mDelta

Deal found 10/13

$1,030

Sun 11/27:45 pmBWI - BNE

2 stops45h 35mDelta

Fri 11/1410:40 amBNE - BWI

2 stops25h 04mDelta

Deal found 10/13

$1,080

Mon 11/37:13 pmBWI - BNE

2 stops42h 47mAmerican Airlines

Tue 11/187:40 pmBNE - BWI

2 stops30h 42mAmerican Airlines

Deal found 10/13

$1,207

Sat 11/84:59 pmDCA - SYD

2 stops36h 51mFiji Airways

Sat 11/226:00 amSYD - DCA

2 stops31h 00mFiji Airways

Deal found 10/13

$1,216

Thu 11/131:53 pmBWI - BNE

2 stops24h 07mAmerican Airlines

Thu 11/209:40 amBNE - BWI

1 stop23h 37mAmerican Airlines

Deal found 10/14

$1,125

Sat 11/154:59 pmDCA - SYD

2 stops27h 31mFiji Airways

Sat 11/226:00 amSYD - DCA

2 stops31h 00mFiji Airways

Deal found 10/13

$1,240

Sat 11/154:59 pmDCA - SYD

2 stops27h 31mFiji Airways

Sat 12/62:30 pmSYD - DCA

2 stops22h 30mFiji Airways

Deal found 10/13

$1,273

Thu 11/278:30 amBWI - BNE

1 stop32h 00mUnited Airlines

Thu 12/411:40 amBNE - BWI

1 stop20h 36mUnited Airlines

Deal found 10/13

$1,138

Fri 11/286:35 pmBWI - BNE

1 stop21h 55mUnited Airlines

Fri 12/511:40 amBNE - BWI

1 stop20h 36mUnited Airlines

Deal found 10/14

$1,136

One-way flights from Washington, D.C. to Australia
Search for one-way flight options from Washington, D.C. to Australia. Find affordable one-way fares based on user searches. Data last updated October 14, 2025.

Tue 3/246:58 pmDCA - SYD

2 stops26h 32mFiji Airways

Deal found 10/13

$582

Mon 12/11:30 pmIAD - MEL

2 stops42h 05mMultiple Airlines

Deal found 10/13

$591

Thu 11/277:38 amIAD - SYD

2 stops58h 12mMultiple Airlines

Deal found 10/13

$593

Thu 11/278:00 amDCA - SYD

2 stops57h 50mMultiple Airlines

Deal found 10/13

$593

Mon 11/101:30 pmIAD - SYD

2 stops50h 35mMultiple Airlines

Deal found 10/12

$601

Sat 11/1510:22 amBWI - SYD

3 stops55h 28mMultiple Airlines

Deal found 10/14

$601

Sat 1/314:59 pmDCA - SYD

2 stops27h 31mFiji Airways

Deal found 10/13

$612

Sat 11/156:00 pmDCA - SYD

3 stops47h 50mMultiple Airlines

Deal found 10/14

$613

Sat 11/154:59 pmDCA - SYD

2 stops27h 31mFiji Airways

Deal found 10/14

$615

Sat 3/216:58 pmDCA - SYD

2 stops26h 32mFiji Airways

Deal found 10/12

$616

Tue 11/116:00 pmDCA - SYD

3 stops47h 50mMultiple Airlines

Deal found 10/13

$627

Sat 1/318:26 pmBWI - SYD

2 stops48h 04mMultiple Airlines

Deal found 10/13

$631

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$992 (American Airlines)
One-way from	$582 (oojo)
Popular in	December
Cheapest in	August
Average price	$1,449

Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.

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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. 23% potential increase in price ($374 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

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

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

7:45 pm-8:20 am

2 stops45h 35m

Brisbane

Sun 11/16

10:40 am-6:22 pm

2 stops22h 42m

$1,030

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 11/3

4:44 pm-8:20 am

2 stops24h 36m

Brisbane

Fri 11/14

10:40 am-12:26 am

2 stops28h 46m

$1,080

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 3/2

4:39 pm-8:20 am

2 stops24h 41m

Brisbane

Fri 3/13

9:40 am-9:56 pm

2 stops26h 16m

$1,091

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 11/28

6:35 pm-7:30 am

1 stop21h 55m

Brisbane

Fri 12/5

11:40 am-5:16 pm

1 stop20h 36m

$1,136

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 11/27

8:15 am-7:30 am

2 stops32h 15m

Brisbane

Thu 12/4

11:40 am-5:16 pm

1 stop20h 36m

$1,138

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 11/13

10:10 am-7:30 am

2 stops30h 20m

Brisbane

Thu 11/20

11:40 am-7:21 pm

2 stops22h 41m

$1,141

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 11/28

11:38 am-8:20 am

2 stops29h 42m

Brisbane

Fri 12/5

10:40 am-10:08 pm

2 stops26h 28m

$1,141

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 10/31

1:27 pm-5:30 am

1 stop26h 03m

Brisbane

Sun 11/16

9:40 am-6:17 pm

1 stop23h 37m

$1,243

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 12/31

11:30 am-8:00 am

2 stops28h 30m

Melbourne

Sun 1/18

10:10 am-12:11 am

2 stops30h 01m

$1,277

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 10/31

6:00 am-7:20 am

2 stops35h 20m

Brisbane

Wed 11/19

11:05 am-6:22 pm

2 stops22h 17m

$1,277

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 60 results

...

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?

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?

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

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.

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

8.0

Very good

7,975 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Qantas Airways

7.5

Good

916 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

United Airlines

7.4

Good

8,976 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

American Airlines

7.2

Good

11,042 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Air Canada

7.1

Good

10,297 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Related info for your journey

How long is the flight from Washington, D.C. to Australia?
For as low as $1,136, Delta can have you in Australia from Washington, D.C. in 21h 55m. 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 Fiji Airways ($612), American Airlines ($686), and Delta ($701).
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 - Sydney Kingsford Smith, Washington, D.C. Reagan-National - Sydney Kingsford Smith and Washington, D.C. Dulles Intl - 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

Top 8 airlines flying from Washington, D.C. to Australia

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$276	Average$1,101	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$327	Average$1,676	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$674	Average$1,120	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$678	Average$1,296	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$854	Average$1,425	FlexibilityNo cancel fee	On-time67%
Air New Zealand	Cheapest$1,257	Average$1,763	FlexibilityNo cancel fee	On-time78%
ANA	Cheapest$1,370	Average$1,586	FlexibilityNo cancel fee	On-time80%
Qatar Airways	Cheapest$1,961	Average$2,163	FlexibilityNo cancel fee	On-time68%

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$582+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheapest flights from Washington, D.C. to AustraliaExplore 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 October 14, 2025.

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 October 14, 2025.

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 October 14, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Best time to book a flight from Washington, D.C. to Australia

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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 October 14, 2025.

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.

Reviews of airlines servicing Australia

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.

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?

What are the cheapest airlines to fly from Washington, D.C. to Australia one-way?

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

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

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

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

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Alternative routes for Washington, D.C. to Australia

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Top 8 airlines flying from Washington, D.C. to Australia

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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 October 14, 2025.