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

Flight times from Washington, D.C. to Australia vary, but if you’re flying out of Washington, D.C. and flying into Sydney (one of the most popular routes), then the duration is 25h 14m on average. Another popular route from Washington, D.C. to Australia is flying from Baltimore to Sydney, which will take roughly 27h 07m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Washington, D.C. to Australia?

Alaska Airlines, Turkish Airlines, and Cathay Pacific are the most popular carriers operating from Washington, D.C. to Australia

What airlines fly to Australia?

United Airlines, Qantas Airways and Air New Zealand are the top three most popular airlines that fly to Australia from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 6 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to Australia?

Prices for flights from Washington, D.C. to Australia refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Australia?

The number of operators available for flights from Washington, D.C. to Australia is 6 as of November 2026.

How old do you have to be to fly from Washington, D.C. to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$638 Cheap Flights from Washington, D.C. to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:45 pmDCA Washington, D.C. Reagan-National-MEL Melbourne

37h 45m3 stops Denver Intl Los Angeles Nadi

1:45 pm - 12:25 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

38h 40m3 stops Nadi Los Angeles Denver Intl

$1,309Multiple Airlines

Mon, Feb 1 - Wed, Feb 10

2:39 pm - 10:00 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

28h 21m2 stops Houston George Bush Intcntl Auckland Intl

8:20 am - 9:08 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

27h 48m2 stops Auckland Intl Los Angeles

$1,315Air New Zealand

Mon, Feb 1 - Wed, Feb 17

8:22 am - 7:00 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 38m2 stops Los Angeles Auckland Intl

8:20 am - 12:54 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

31h 34m2 stops Auckland Intl Los Angeles

$1,316Air New Zealand

Wed, Feb 10 - Wed, Mar 10

7:00 am - 12:35 pmDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

37h 35m3 stops Denver Intl Los Angeles Nadi

2:00 pm - 4:55 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

42h 55m3 stops Nadi Los Angeles Denver Intl

$1,320Multiple Airlines

Tue, Dec 8 - Wed, Jan 27

1:17 pm - 9:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

28h 18m2 stops Ottawa Vancouver Intl

11:20 am - 11:47 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

40h 27m2 stops Vancouver Intl Ottawa

$1,579Air Canada

Tue, Feb 9 - Mon, Feb 15

1:20 pm - 9:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

28h 15m2 stops Ottawa Vancouver Intl

10:20 am - 11:45 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

40h 25m2 stops Vancouver Intl Ottawa

$1,579Air Canada

Tue, Mar 2 - Wed, Mar 24

5:01 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 59m1 stop Los Angeles

2:05 pm - 8:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

22h 54m1 stop Dallas/Fort Worth

$1,732Qantas Airways

Sun, Feb 7 - Mon, Feb 22

5:01 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 59m1 stop Los Angeles

2:05 pm - 6:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 54m1 stop Dallas/Fort Worth

$1,741Qantas Airways

Wed, Jan 20 - Wed, Jan 27

8:40 am - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

32h 20m1 stop Los Angeles

10:10 am - 4:20 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

21h 10m1 stop Los Angeles

$1,820American Airlines

Wed, Dec 30 - Tue, Mar 30

7:50 am - 6:35 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

30h 45m1 stop Las Vegas Harry Reid Intl

10:20 am - 8:25 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

25h 05m1 stop Los Angeles

$1,820American Airlines

Tue, Dec 29 - Tue, Mar 30

Cheap last minute flights

Enter your travel dates to find the best prices.

2:38 pm - 8:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

25h 57m2 stops Houston George Bush Intcntl Auckland Intl

11:55 am - 12:40 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 45m2 stops Auckland Intl Los Angeles

$1,413Air New Zealand

Thu, Nov 5 - Thu, Nov 12

2:38 pm - 8:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

25h 57m2 stops Houston George Bush Intcntl Auckland Intl

11:50 am - 9:56 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 06m2 stops Auckland Intl San Francisco

$1,413Air New Zealand

Fri, Nov 6 - Fri, Nov 13

9:20 pm - 3:40 amIAD Washington, D.C. Dulles Intl-PER Perth

41h 20m2 stops Istanbul Kuala Lumpur Intl

8:50 pm - 11:45 amPER Perth-IAD Washington, D.C. Dulles Intl

51h 55m2 stops Kuala Lumpur Intl Istanbul

$1,505Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

9:20 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-PER Perth

35h 25m3 stops Istanbul Kuala Lumpur Intl Denpasar Bali Ngurah Rai

7:25 am - 11:45 amPER Perth-IAD Washington, D.C. Dulles Intl

65h 20m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Istanbul

$1,580Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

9:55 am - 8:45 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 50m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:45 am - 8:23 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

24h 38m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,615Air Canada

Sun, Nov 8 - Fri, Nov 13

8:05 pm - 5:30 pmIAD Washington, D.C. Dulles Intl-BNE Brisbane

30h 25m1 stop Doha Hamad Intl

9:55 pm - 3:55 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

33h 00m1 stop Doha Hamad Intl

$2,133Qatar Airways

Sun, Nov 8 - Fri, Nov 13

5:49 pm - 10:30 amDCA Washington, D.C. Reagan-National-MEL Melbourne

24h 41m1 stop San Francisco

12:45 pm - 10:30 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

25h 45m1 stop San Francisco

$2,229United Airlines

Sat, Nov 7 - Sat, Nov 21

5:38 pm - 10:30 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

24h 52m1 stop San Francisco

12:45 pm - 9:30 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

24h 45m2 stops San Francisco Denver Intl

$2,233United Airlines

Sat, Nov 7 - Sat, Nov 21

8:05 pm - 8:00 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

44h 55m2 stops Doha Hamad Intl Sydney Kingsford Smith

9:55 pm - 3:55 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

33h 00m1 stop Doha Hamad Intl

$2,251Qatar Airways

Sun, Nov 8 - Fri, Nov 13

9:55 am - 9:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

11:20 am - 8:23 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 03m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,407Air Canada

Fri, Nov 6 - Sat, Nov 14

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Air New Zealand flights from Washington, D.C. to Australia

Our best Air New Zealand deals on Washington, D.C. to Australia flight tickets

Air New Zealand

Feb 1

IAD2:39 pmWashington, D.C. Dulles Intl

28h 21m

2 stops

BNE10:00 amBrisbane

Feb 17

BNE8:20 amBrisbane

27h 48m

2 stops

IAD9:08 pmWashington, D.C. Dulles Intl

$1,315

Air New Zealand

Feb 1

IAD2:39 pmWashington, D.C. Dulles Intl

28h 21m

2 stops

BNE10:00 amBrisbane

Feb 17

BNE8:20 amBrisbane

27h 48m

2 stops

IAD9:08 pmWashington, D.C. Dulles Intl

$1,316

Air New Zealand

Feb 8

IAD6:00 amWashington, D.C. Dulles Intl

36h 35m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 15

SYD9:55 amSydney Kingsford Smith

38h 03m

2 stops

IAD7:58 amWashington, D.C. Dulles Intl

$1,319

Alaska Airlines flights from Washington, D.C. to Australia

Our best Alaska Airlines deals on Washington, D.C. to Australia flight tickets

Alaska Airlines

Jan 27

DCA6:59 pmWashington, D.C. Reagan-National

43h 51m

2 stops

BNE5:50 amBrisbane

Feb 4

BNE1:10 pmBrisbane

21h 50m

1 stop

DCA8:00 pmWashington, D.C. Reagan-National

$1,375

Alaska Airlines

Jan 27

DCA6:59 pmWashington, D.C. Reagan-National

43h 51m

2 stops

BNE5:50 amBrisbane

Feb 4

BNE1:10 pmBrisbane

43h 49m

2 stops

DCA5:59 pmWashington, D.C. Reagan-National

$1,400

Alaska Airlines

Feb 23

IAD7:00 amWashington, D.C. Dulles Intl

31h 25m

3 stops

SYD6:25 amSydney Kingsford Smith

Mar 2

SYD11:15 amSydney Kingsford Smith

34h 16m

2 stops

IAD5:31 amWashington, D.C. Dulles Intl

$1,431

momondo 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

Cheapest round-trip

Washington, D.C.Melbourne

DCA Washington, D.C. Reagan-National - MEL Melbourne

DCAMEL

Washington, D.C. Reagan-National

Mon 2/1

7:00 am-12:45 pm

3 stops37h 45m

Melbourne

Wed 2/10

1:45 pm-12:25 pm

3 stops38h 40m

$1,309

Washington, D.C.Brisbane

IAD Washington, D.C. Dulles Intl - BNE Brisbane

IADBNE

Washington, D.C. Dulles Intl

Mon 2/1

2:39 pm-10:00 am

2 stops28h 21m

Brisbane

Wed 2/17

8:20 am-9:08 pm

2 stops27h 48m

$1,315

Washington, D.C.Brisbane

IAD Washington, D.C. Dulles Intl - BNE Brisbane

IADBNE

Washington, D.C. Dulles Intl

Wed 2/10

8:22 am-7:00 am

2 stops31h 38m

Brisbane

Wed 3/10

8:20 am-12:54 am

2 stops31h 34m

$1,316

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Tue 12/8

7:00 am-12:35 pm

3 stops37h 35m

Sydney Kingsford Smith

Wed 1/27

2:00 pm-4:55 pm

3 stops42h 55m

$1,320

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 2/9

1:17 pm-9:35 am

2 stops28h 18m

Sydney Kingsford Smith

Mon 2/15

11:20 am-11:47 am

2 stops40h 27m

$1,579

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 3/2

1:20 pm-9:35 am

2 stops28h 15m

Sydney Kingsford Smith

Wed 3/24

10:20 am-11:45 am

2 stops40h 25m

$1,579

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sun 2/7

5:01 pm-9:00 am

1 stop23h 59m

Sydney Kingsford Smith

Mon 2/22

2:05 pm-8:59 pm

1 stop22h 54m

$1,732

Quickest round-trip

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 1/20

5:01 pm-9:00 am

1 stop23h 59m

Sydney Kingsford Smith

Wed 1/27

2:05 pm-6:59 pm

1 stop20h 54m

$1,741

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 12/30

8:40 am-9:00 am

1 stop32h 20m

Sydney Kingsford Smith

Tue 3/30

10:10 am-4:20 pm

1 stop21h 10m

$1,820

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Tue 12/29

7:50 am-6:35 am

1 stop30h 45m

Sydney Kingsford Smith

Tue 3/30

10:20 am-8:25 pm

1 stop25h 05m

$1,820

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Australia?

The month of April is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $1,390. If you aren’t able to travel during the month of April, then book flights to Australia from Washington, D.C. during August instead. Flights to Australia in August, while not as cheap as those in April, still average around $1,407.

How far in advance should I book a flight from Washington, D.C. to Australia?

You are more likely to see cheaper flights to Australia from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,621 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Washington, D.C. for as low as $1,285 on momondo.

Can stopping save me money on Washington, D.C. to Australia flights?

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. to Australia flight.

Cheap Washington, D.C. to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Australia

Best Price Found	$638
Fastest flight time	21h 55m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $638. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,309.

The fastest flight from Washington, D.C. to Australia takes 21h 55m

There are no direct flights from Washington, D.C. to Australia. There are no popular flight routes from Washington, D.C. to Australia.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Australia

When did momondo last update prices for flights from Washington, D.C. to Australia?
Prices for flights from Washington, D.C. to Australia refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Australia?
The number of operators available for flights from Washington, D.C. to Australia is 6 as of November 2026.
How old do you have to be to fly from Washington, D.C. to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Australia

Compare and see reviews for airlines that fly from Washington, D.C. to Australia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.3 10,462 reviews	Search United Airlines flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.0 12,231 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 11,854 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $973	Free Cancellation	Rating 7.5 1,122 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,230	Free Cancellation	Rating 8.0 681 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,712 reviews	Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Australia for you.

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Australia?

Once you have performed a search for Washington, D.C. to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.