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

United Airlines, Qantas Airways, and Delta 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 22h 49m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 23h 30m. 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 52% 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 5 as of September 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.

$197 Cheap Flights from Washington, D.C. to Australia in 2026

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.

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

24h 25m1 stop Los Angeles

2:05 pm - 9:18 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

23h 13m1 stop Dallas/Fort Worth

$197Qantas Airways

Tue, Oct 27 - Tue, Nov 3

1:44 pm - 5:00 amDCA Washington, D.C. Reagan-National-MEL Melbourne

24h 16m1 stop Dallas/Fort Worth

10:20 am - 8:00 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

24h 40m2 stops Brisbane Los Angeles

$227Qantas Airways

Mon, Oct 12 - Mon, Oct 26

6:20 pm - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 15m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 am - 5:11 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,070Multiple Airlines

Wed, Feb 3 - Wed, Feb 17

7:02 am - 8:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 am - 6:12 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,072Multiple Airlines

Tue, Oct 27 - Sun, Nov 1

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

42h 46m1 stop Dallas/Fort Worth

12:00 pm - 10:36 pmMEL Melbourne-BWI Baltimore/Washington

26h 36m1 stop Dallas/Fort Worth

$1,134American Airlines

Mon, Oct 26 - Tue, Nov 10

11:55 am - 9:30 amBWI Baltimore/Washington-MEL Melbourne

30h 35m2 stops Dallas/Fort Worth Los Angeles

10:45 pm - 10:10 amMEL Melbourne-BWI Baltimore/Washington

27h 25m2 stops Los Angeles Charlotte Douglas

$1,147American Airlines

Mon, Oct 26 - Mon, Nov 2

6:50 pm - 9:15 amBWI Baltimore/Washington-MEL Melbourne

23h 25m1 stop San Francisco

11:45 am - 11:36 amMEL Melbourne-BWI Baltimore/Washington

38h 51m2 stops San Francisco Houston George Bush Intcntl

$1,155United Airlines

Mon, Oct 12 - Wed, Oct 28

3:04 pm - 8:30 amBWI Baltimore/Washington-MEL Melbourne

26h 26m2 stops Houston George Bush Intcntl Los Angeles

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

27h 14m2 stops Los Angeles Houston George Bush Intcntl

$1,155United Airlines

Mon, Oct 12 - Wed, Oct 28

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

33h 00m2 stops Los Angeles Auckland Intl

8:20 am - 12:50 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

31h 30m2 stops Auckland Intl Los Angeles

$1,259Air New Zealand

Mon, Feb 1 - Wed, Feb 17

8:25 am - 7:00 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 35m2 stops Los Angeles Auckland Intl

8:20 am - 5:19 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

35h 59m2 stops Auckland Intl Los Angeles

$1,259Air New Zealand

Wed, Nov 11 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

8:29 am - 7:05 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

32h 36m1 stop Vancouver Intl

10:00 am - 11:13 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

39h 13m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,360Air Canada

Sun, Sep 13 - Mon, Sep 21

9:45 am - 7:05 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 20m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:00 am - 11:13 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

39h 13m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,364Air Canada

Sun, Sep 13 - Mon, Sep 21

3:10 pm - 6:10 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

3:40 pm - 9:45 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,429Etihad Airways

Thu, Sep 17 - Wed, Sep 30

3:10 pm - 6:10 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

3:40 pm - 9:45 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,430Etihad Airways

Thu, Sep 17 - Wed, Sep 30

6:42 am - 8:45 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

36h 03m2 stops San Francisco Auckland Intl

7:20 pm - 12:30 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

43h 10m2 stops Auckland Intl Houston George Bush Intcntl

$1,712Air New Zealand

Sun, Sep 13 - Tue, Sep 15

6:42 am - 8:45 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

36h 03m2 stops San Francisco Auckland Intl

7:20 pm - 10:45 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

41h 25m2 stops Auckland Intl Houston George Bush Intcntl

$1,712Air New Zealand

Sun, Sep 13 - Tue, Sep 15

3:57 pm - 5:00 amBWI Baltimore/Washington-MEL Melbourne

23h 03m1 stop Dallas/Fort Worth

2:20 pm - 9:29 pmMEL Melbourne-BWI Baltimore/Washington

45h 09m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,958Qantas Airways

Wed, Sep 16 - Tue, Sep 22

7:26 am - 5:00 amBWI Baltimore/Washington-MEL Melbourne

31h 34m1 stop Dallas/Fort Worth

8:15 am - 9:29 pmMEL Melbourne-BWI Baltimore/Washington

27h 14m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,965Qantas Airways

Wed, Sep 16 - Tue, Sep 22

12:30 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

28h 25m2 stops Charlotte Douglas Dallas/Fort Worth

9:10 am - 10:51 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

27h 41m2 stops Los Angeles Charlotte Douglas

$2,111American Airlines

Mon, Sep 14 - Tue, Sep 29

4:21 pm - 7:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 44m2 stops Dallas/Fort Worth Los Angeles

9:25 pm - 10:07 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

26h 42m2 stops San Francisco Chicago O'Hare Intl

$2,462American Airlines

Sun, Sep 13 - Tue, Sep 15

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Qantas Airways flights from Washington, D.C. to Australia

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

Qantas Airways

Oct 27

DCA5:35 pmWashington, D.C. Reagan-National

24h 25m

1 stop

SYD9:00 amSydney Kingsford Smith

Nov 3

SYD2:05 pmSydney Kingsford Smith

23h 13m

1 stop

DCA9:18 pmWashington, D.C. Reagan-National

$197

Qantas Airways

Oct 12

DCA1:44 pmWashington, D.C. Reagan-National

24h 16m

1 stop

MEL5:00 amMelbourne

Oct 26

MEL10:20 amMelbourne

24h 40m

2 stops

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

$227

Qantas Airways

Feb 1

BWI4:59 pmBaltimore/Washington

44h 01m

1 stop

MEL5:00 amMelbourne

Feb 14

MEL12:00 pmMelbourne

21h 16m

1 stop

BWI5:16 pmBaltimore/Washington

$1,171

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

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

United Airlines

Oct 12

BWI3:04 pmBaltimore/Washington

26h 26m

2 stops

MEL8:30 amMelbourne

Oct 28

MEL10:30 amMelbourne

27h 14m

2 stops

BWI10:44 pmBaltimore/Washington

$1,155

United Airlines

Oct 26

BWI10:09 amBaltimore/Washington

31h 21m

2 stops

MEL8:30 amMelbourne

Nov 10

MEL12:45 pmMelbourne

26h 23m

2 stops

BWI11:08 pmBaltimore/Washington

$1,158

United Airlines

Feb 10

BWI6:31 pmBaltimore/Washington

23h 59m

1 stop

MEL10:30 amMelbourne

Mar 9

MEL11:30 amMelbourne

22h 06m

1 stop

BWI5:36 pmBaltimore/Washington

$1,159

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

Quickest round-trip

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Tue 10/27

5:35 pm-9:00 am

1 stop24h 25m

Sydney Kingsford Smith

Tue 11/3

2:05 pm-9:18 pm

1 stop23h 13m

$197

Washington, D.C.Melbourne

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

DCAMEL

Washington, D.C. Reagan-National

Mon 10/12

1:44 pm-5:00 am

1 stop24h 16m

Melbourne

Mon 10/26

10:20 am-8:00 pm

2 stops24h 40m

$227

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 2/3

6:20 pm-9:35 am

2 stops47h 15m

Sydney Kingsford Smith

Wed 2/17

11:20 am-5:11 pm

2 stops45h 51m

$1,070

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 10/27

7:02 am-8:35 am

2 stops34h 33m

Sydney Kingsford Smith

Sun 11/1

11:20 am-6:12 pm

2 stops45h 52m

$1,072

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 10/26

7:14 pm-5:00 am

1 stop42h 46m

Melbourne

Tue 11/10

12:00 pm-10:36 pm

1 stop26h 36m

$1,134

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 10/26

11:55 am-9:30 am

2 stops30h 35m

Melbourne

Mon 11/2

10:45 pm-10:10 am

2 stops27h 25m

$1,147

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 10/12

6:50 pm-9:15 am

1 stop23h 25m

Melbourne

Wed 10/28

11:45 am-11:36 am

2 stops38h 51m

$1,155

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 10/12

3:04 pm-8:30 am

2 stops26h 26m

Melbourne

Wed 10/28

10:30 am-10:44 pm

2 stops27h 14m

$1,155

Washington, D.C.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Mon 2/1

7:00 am-7:00 am

2 stops33h 00m

Brisbane

Wed 2/17

8:20 am-12:50 am

2 stops31h 30m

$1,259

Washington, D.C.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Wed 11/11

8:25 am-7:00 am

2 stops31h 35m

Brisbane

Tue 11/17

8:20 am-5:19 am

2 stops35h 59m

$1,259

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 $1,403.

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 $1,637 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 $1,202 on momondo.

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

You could potentially save up to 3% 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	$572
Fastest flight time	22h 49m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $572. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $197.

The fastest flight from Washington, D.C. to Australia takes 22h 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 5 as of September 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 7.4 10,206 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,617 reviews	Search Air Canada flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,093 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,149	Free Cancellation	Rating 8.0 669 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,733 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.