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

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

What airlines fly to Australia?

United Airlines, Qantas Airways and American Airlines 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 57% 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.

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 35m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 23h 32m. Keep in mind that layovers or delays could extend your travel time.

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 June 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.

$553 Cheap Flights from Washington, D.C. to Australia in 2026

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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.

3:48 pm - 5:00 am

BWI

MEL

22h 12m

1 stop

12:00 pm - 11:37 pm

MEL

BWI

26h 37m

1 stop

$1,081American Airlines

Sat, Oct 10 - Sat, Oct 31

6:02 am - 5:00 am

BWI

MEL

30h 58m

1 stop

12:00 pm - 10:54 pm

MEL

BWI

26h 54m

1 stop

$1,082American Airlines

Thu, Nov 19 - Sat, Dec 5

3:03 pm - 7:30 am

BWI

MEL

26h 27m

2 stops

9:30 am - 4:35 pm

MEL

BWI

21h 05m

1 stop

$1,092United Airlines

Fri, Jul 31 - Fri, Aug 21

6:59 pm - 8:15 am

BWI

MEL

23h 16m

1 stop

10:55 am - 5:57 pm

MEL

BWI

21h 02m

1 stop

$1,093United Airlines

Tue, Jun 30 - Tue, Jul 7

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

1:05 pm - 7:27 pm

SYD

BWI

21h 22m

1 stop

$1,251Qantas Airways

Tue, Jul 28 - Tue, Oct 27

10:10 pm - 7:05 am

IAD

BNE

42h 55m

2 stops

10:00 am - 4:30 pm

BNE

IAD

44h 30m

2 stops

$1,278Air Canada

Sun, Jun 21 - Wed, Jul 8

3:45 pm - 7:05 am

IAD

BNE

25h 20m

2 stops

10:00 am - 7:00 pm

BNE

IAD

23h 00m

2 stops

$1,287Air Canada

Tue, Sep 1 - Wed, Sep 30

5:16 pm - 7:05 am

DCA

SYD

23h 49m

1 stop

12:00 pm - 11:00 pm

SYD

DCA

25h 00m

1 stop

$1,311Qantas Airways

Wed, Jul 1 - Wed, Jul 8

3:03 pm - 6:55 am

BWI

SYD

25h 52m

2 stops

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,345Air New Zealand

Sun, Aug 9 - Sun, Aug 23

6:59 pm - 6:55 am

BWI

SYD

21h 56m

1 stop

9:30 am - 7:14 am

SYD

BWI

35h 44m

1 stop

$1,353Air New Zealand

Wed, Jun 17 - Wed, Jun 24

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

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

American Airlines

Oct 10

BWI3:48 pmBaltimore/Washington

22h 12m

1 stop

MEL5:00 amMelbourne

Oct 31

MEL12:00 pmMelbourne

26h 37m

1 stop

BWI11:37 pmBaltimore/Washington

$1,081

American Airlines

Nov 19

BWI6:02 amBaltimore/Washington

30h 58m

1 stop

MEL5:00 amMelbourne

Dec 5

MEL12:00 pmMelbourne

26h 54m

1 stop

BWI10:54 pmBaltimore/Washington

$1,082

American Airlines

Nov 19

BWI11:50 amBaltimore/Washington

25h 10m

2 stops

MEL5:00 amMelbourne

Dec 5

MEL12:00 pmMelbourne

23h 25m

2 stops

BWI7:25 pmBaltimore/Washington

$1,086

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

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

United Airlines

Jul 31

BWI3:03 pmBaltimore/Washington

26h 27m

2 stops

MEL7:30 amMelbourne

Aug 21

MEL9:30 amMelbourne

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,092

United Airlines

Jun 30

BWI6:59 pmBaltimore/Washington

23h 16m

1 stop

MEL8:15 amMelbourne

Jul 7

MEL10:55 amMelbourne

21h 02m

1 stop

BWI5:57 pmBaltimore/Washington

$1,093

United Airlines

Jun 30

BWI6:59 pmBaltimore/Washington

23h 16m

1 stop

MEL8:15 amMelbourne

Jul 7

MEL10:55 amMelbourne

24h 31m

2 stops

BWI9:26 pmBaltimore/Washington

$1,097

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 10/10

3:48 pm-5:00 am

1 stop22h 12m

Melbourne

Sat 10/31

12:00 pm-11:37 pm

1 stop26h 37m

$1,081

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 11/19

6:02 am-5:00 am

1 stop30h 58m

Melbourne

Sat 12/5

12:00 pm-10:54 pm

1 stop26h 54m

$1,082

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 7/31

3:03 pm-7:30 am

2 stops26h 27m

Melbourne

Fri 8/21

9:30 am-4:35 pm

1 stop21h 05m

$1,092

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 6/30

6:59 pm-8:15 am

1 stop23h 16m

Melbourne

Tue 7/7

10:55 am-5:57 pm

1 stop21h 02m

$1,093

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 7/28

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

Tue 10/27

1:05 pm-7:27 pm

1 stop21h 22m

$1,251

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 6/21

10:10 pm-7:05 am

2 stops42h 55m

Brisbane

Wed 7/8

10:00 am-4:30 pm

2 stops44h 30m

$1,278

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 9/1

3:45 pm-7:05 am

2 stops25h 20m

Brisbane

Wed 9/30

10:00 am-7:00 pm

2 stops23h 00m

$1,287

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 7/1

5:16 pm-7:05 am

1 stop23h 49m

Sydney Kingsford Smith

Wed 7/8

12:00 pm-11:00 pm

1 stop25h 00m

$1,311

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/9

3:03 pm-6:55 am

2 stops25h 52m

Sydney Kingsford Smith

Sun 8/23

9:30 am-4:35 pm

1 stop21h 05m

$1,345

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 6/17

6:59 pm-6:55 am

1 stop21h 56m

Sydney Kingsford Smith

Wed 6/24

9:30 am-7:14 am

1 stop35h 44m

$1,353

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 August is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $78. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during September instead. Flights to Australia in September, while not as cheap as those in August, still average around $82.

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 $1,644 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 $778 on momondo.

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

You could potentially save up to 24% 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

Fastest flight time	21h 35m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 35m

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

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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 June 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
Delta	PriceFrom $276	Free Cancellation	Rating 7.8 8,395 reviews	Search Delta flights
United Airlines	PriceFrom $377	Free Cancellation	Rating 7.4 9,773 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,126 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,042 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 645 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,730 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.