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

Qantas Airways, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to Australia

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 Baltimore and flying into Sydney (one of the most popular routes), then the duration is 21h 53m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 24h 26m. Keep in mind that layovers or delays could extend your travel time.

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 7 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 October 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.

$617 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.

1:19 pm - 8:45 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

28h 26m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:45 am - 4:01 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

44h 16m2 stops Vancouver Intl Ottawa

$1,084Air Canada

Fri, Dec 25 - Sat, Jan 16

9:05 am - 8:45 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

32h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:45 am - 4:01 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

44h 16m2 stops Vancouver Intl Ottawa

$1,084Air Canada

Thu, Dec 24 - Sat, Jan 16

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 - 12:55 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

38h 55m3 stops Nadi Los Angeles Denver Intl

$1,096Multiple Airlines

Sun, Dec 6 - Sat, Dec 12

2:34 pm - 9:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

27h 01m2 stops San Francisco Vancouver Intl

11:20 am - 11:16 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

39h 56m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,106Multiple Airlines

Wed, Feb 3 - Wed, Feb 17

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

$1,154Air New Zealand

Wed, Feb 10 - Wed, Feb 17

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

28h 18m2 stops Ottawa Vancouver Intl

11:20 am - 9:05 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 45m1 stop Toronto Pearson Intl

$1,160Air New Zealand

Wed, Feb 10 - Tue, Feb 16

4:59 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

22h 31m1 stop Dallas/Fort Worth

9:40 am - 6:07 pmBNE Brisbane-BWI Baltimore/Washington

23h 27m1 stop Dallas/Fort Worth

$1,214Qantas Airways

Mon, Feb 1 - Wed, Feb 17

11:50 am - 6:30 amBWI Baltimore/Washington-BNE Brisbane

27h 40m1 stop Dallas/Fort Worth

1:10 pm - 10:49 pmBNE Brisbane-BWI Baltimore/Washington

23h 39m2 stops Los Angeles Dallas/Fort Worth

$1,214American Airlines

Sat, Mar 13 - Tue, Mar 23

11:50 am - 6:30 amBWI Baltimore/Washington-BNE Brisbane

27h 40m1 stop Dallas/Fort Worth

1:05 pm - 10:49 pmBNE Brisbane-BWI Baltimore/Washington

23h 44m2 stops Los Angeles Dallas/Fort Worth

$1,214American Airlines

Thu, Mar 4 - Sun, Mar 28

4:59 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

22h 31m1 stop Dallas/Fort Worth

9:40 am - 6:07 pmBNE Brisbane-BWI Baltimore/Washington

23h 27m1 stop Dallas/Fort Worth

$1,215Qantas Airways

Mon, Feb 1 - Wed, Feb 17

Cheap last minute flights

Enter your travel dates to find the best prices.

4:30 pm - 8:30 amBWI Baltimore/Washington-MEL Melbourne

25h 00m2 stops Houston George Bush Intcntl Los Angeles

12:45 pm - 11:36 amMEL Melbourne-BWI Baltimore/Washington

38h 51m2 stops San Francisco Houston George Bush Intcntl

$1,235United Airlines

Mon, Oct 26 - Wed, Nov 11

11:25 am - 8:30 amBWI Baltimore/Washington-MEL Melbourne

30h 05m1 stop Los Angeles

11:30 am - 10:44 pmMEL Melbourne-BWI Baltimore/Washington

27h 14m2 stops Los Angeles Houston George Bush Intcntl

$1,235United Airlines

Mon, Oct 26 - Wed, Nov 11

5:35 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

11:15 am - 4:00 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 45m1 stop Los Angeles

$1,319Multiple Airlines

Sat, Oct 24 - Mon, Nov 2

11:55 am - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

28h 00m1 stop Dallas/Fort Worth

2:05 pm - 7:17 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 12m1 stop Dallas/Fort Worth

$1,320American Airlines

Sat, Oct 24 - Mon, Nov 2

3:08 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

24h 47m1 stop Dallas/Fort Worth

2:05 pm - 11:30 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 25m1 stop Dallas/Fort Worth

$1,320American Airlines

Sat, Oct 24 - Mon, Nov 2

3:13 pm - 5:00 amDCA Washington, D.C. Reagan-National-MEL Melbourne

22h 47m1 stop Dallas/Fort Worth

12:00 pm - 9:45 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

24h 45m1 stop Dallas/Fort Worth

$1,333Qantas Airways

Sat, Oct 24 - Sat, Oct 31

3:08 pm - 5:00 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

22h 52m1 stop Dallas/Fort Worth

12:00 pm - 11:23 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

26h 23m1 stop Dallas/Fort Worth

$1,355Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

3:02 pm - 8:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

26h 33m2 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

$1,411Air New Zealand

Fri, Oct 23 - Fri, Nov 6

4:34 pm - 10:55 amDCA Washington, D.C. Reagan-National-MEL Melbourne

27h 21m2 stops Houston George Bush Intcntl Auckland Intl

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

26h 20m2 stops Auckland Intl San Francisco

$1,459Air New Zealand

Mon, Oct 26 - Wed, Nov 11

7:14 pm - 5:00 amBWI Baltimore/Washington-MEL Melbourne

42h 46m1 stop Dallas/Fort Worth

12:00 pm - 10:54 pmMEL Melbourne-BWI Baltimore/Washington

25h 54m1 stop Dallas/Fort Worth

$1,615Qantas Airways

Sat, Oct 24 - Sat, Oct 31

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

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

American Airlines

Nov 15

BWI6:45 amBaltimore/Washington

30h 15m

1 stop

MEL5:00 amMelbourne

Dec 1

MEL12:00 pmMelbourne

23h 14m

1 stop

BWI7:14 pmBaltimore/Washington

$1,219

American Airlines

Nov 10

BWI6:45 amBaltimore/Washington

30h 15m

1 stop

MEL5:00 amMelbourne

Nov 23

MEL10:45 pmMelbourne

28h 11m

2 stops

BWI10:56 amBaltimore/Washington

$1,223

American Airlines

Nov 15

BWI6:45 amBaltimore/Washington

30h 15m

1 stop

MEL5:00 amMelbourne

Dec 1

MEL11:00 amMelbourne

24h 14m

2 stops

BWI7:14 pmBaltimore/Washington

$1,249

Delta flights from Washington, D.C. to Australia

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

Delta

Feb 1

BWI5:30 pmBaltimore/Washington

24h 00m

2 stops

BNE8:30 amBrisbane

Feb 17

BNE10:40 amBrisbane

28h 06m

2 stops

BWI11:46 pmBaltimore/Washington

$1,216

Delta

Feb 1

BWI5:30 pmBaltimore/Washington

24h 00m

2 stops

BNE8:30 amBrisbane

Feb 17

BNE10:40 amBrisbane

28h 06m

2 stops

BWI11:46 pmBaltimore/Washington

$1,217

Delta

Mar 2

BWI5:30 pmBaltimore/Washington

48h 00m

2 stops

BNE8:30 amBrisbane

Mar 19

BNE9:35 amBrisbane

22h 32m

2 stops

BWI6:07 pmBaltimore/Washington

$1,233

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.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Fri 12/25

1:19 pm-8:45 am

2 stops28h 26m

Brisbane

Sat 1/16

10:45 am-4:01 pm

2 stops44h 16m

$1,084

Washington, D.C.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Thu 12/24

9:05 am-8:45 am

2 stops32h 40m

Brisbane

Sat 1/16

10:45 am-4:01 pm

2 stops44h 16m

$1,084

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sun 12/6

7:00 am-12:35 pm

3 stops37h 35m

Sydney Kingsford Smith

Sat 12/12

2:00 pm-12:55 pm

3 stops38h 55m

$1,096

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 2/3

2:34 pm-9:35 am

2 stops27h 01m

Sydney Kingsford Smith

Wed 2/17

11:20 am-11:16 am

3 stops39h 56m

$1,106

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 2/10

1:17 pm-9:35 am

2 stops28h 18m

Sydney Kingsford Smith

Wed 2/17

11:20 am-11:47 am

2 stops40h 27m

$1,154

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 2/10

1:17 pm-9:35 am

2 stops28h 18m

Sydney Kingsford Smith

Tue 2/16

11:20 am-9:05 pm

1 stop25h 45m

$1,160

Quickest round-trip

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/1

4:59 pm-6:30 am

1 stop22h 31m

Brisbane

Wed 2/17

9:40 am-6:07 pm

1 stop23h 27m

$1,214

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Sat 3/13

11:50 am-6:30 am

1 stop27h 40m

Brisbane

Tue 3/23

1:10 pm-10:49 pm

2 stops23h 39m

$1,214

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Thu 3/4

11:50 am-6:30 am

1 stop27h 40m

Brisbane

Sun 3/28

1:05 pm-10:49 pm

2 stops23h 44m

$1,214

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/1

4:59 pm-6:30 am

1 stop22h 31m

Brisbane

Wed 2/17

9:40 am-6:07 pm

1 stop23h 27m

$1,215

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 November is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $1,387. If you aren’t able to travel during the month of November, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in November, still average around $1,390.

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 $1,608 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	$617
Fastest flight time	21h 49m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $617. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,084.

The fastest flight from Washington, D.C. to Australia takes 21h 49m

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 October 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 $357	Free Cancellation	Rating 7.3 10,401 reviews	Search United Airlines flights
Delta	PriceFrom $377	Free Cancellation	Rating 7.8 8,661 reviews	Search Delta flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,793 reviews	Search Air Canada flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.0 12,185 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,115 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,230	Free Cancellation	Rating 8.0 675 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,707 reviews	Search Qatar Airways flights

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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.