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 37m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 22h 14m. 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 54% 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.

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

Qantas Airways, American Airlines, and United Airlines are the most popular carriers operating 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 July 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.

$572 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.

1:49 pm - 5:00 am

DCA

MEL

25h 11m

1 stop

1:35 pm - 9:20 pm

MEL

DCA

21h 45m

1 stop

$1,107Qantas Airways

Mon, Aug 24 - Wed, Sep 9

2:53 pm - 5:00 am

IAD

MEL

24h 07m

1 stop

1:35 pm - 8:24 pm

MEL

IAD

20h 49m

1 stop

$1,107Qantas Airways

Mon, Aug 24 - Wed, Sep 9

11:05 am - 10:25 pm

IAD

SYD

45h 20m

3 stops

1:15 pm - 7:09 pm

SYD

IAD

43h 54m

3 stops

$1,133Multiple Airlines

Tue, Sep 1 - Mon, Sep 14

3:45 pm - 7:05 am

IAD

BNE

25h 20m

2 stops

10:15 am - 3:00 pm

BNE

IAD

42h 45m

2 stops

$1,144Air Canada

Sun, Sep 6 - Tue, Sep 15

9:40 am - 7:05 am

DCA

BNE

31h 25m

2 stops

10:15 am - 10:20 am

BNE

DCA

38h 05m

2 stops

$1,145Air Canada

Sun, Sep 6 - Tue, Sep 22

3:55 pm - 5:00 am

BWI

MEL

23h 05m

1 stop

1:35 pm - 9:34 pm

MEL

BWI

21h 59m

1 stop

$1,171American Airlines

Wed, Aug 12 - Wed, Aug 19

3:03 pm - 7:00 am

BWI

SYD

25h 57m

2 stops

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,177United Airlines

Sun, Aug 9 - Wed, Aug 19

7:17 pm - 6:55 am

BWI

SYD

21h 38m

1 stop

12:00 pm - 11:41 pm

SYD

BWI

25h 41m

1 stop

$1,184American Airlines

Sun, Aug 2 - Sun, Aug 16

3:03 pm - 7:00 am

BWI

SYD

25h 57m

2 stops

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,187United Airlines

Sun, Aug 9 - Sun, Aug 23

11:55 am - 8:50 am

BWI

MEL

29h 55m

2 stops

11:00 am - 10:37 pm

MEL

BWI

26h 37m

2 stops

$1,212Delta

Sun, Oct 11 - Mon, Oct 26

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

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

United Airlines

Aug 9

BWI3:03 pmBaltimore/Washington

25h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 19

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,177

United Airlines

Aug 9

BWI3:03 pmBaltimore/Washington

25h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 23

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,187

United Airlines

Aug 4

BWI7:00 amBaltimore/Washington

34h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Sep 27

SYD9:30 amSydney Kingsford Smith

21h 07m

1 stop

BWI4:37 pmBaltimore/Washington

$1,198

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

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

American Airlines

Aug 12

BWI3:55 pmBaltimore/Washington

23h 05m

1 stop

MEL5:00 amMelbourne

Aug 19

MEL1:35 pmMelbourne

21h 59m

1 stop

BWI9:34 pmBaltimore/Washington

$1,171

American Airlines

Aug 2

BWI7:17 pmBaltimore/Washington

21h 38m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 16

SYD12:00 pmSydney Kingsford Smith

25h 41m

1 stop

BWI11:41 pmBaltimore/Washington

$1,184

American Airlines

Aug 19

BWI4:25 pmBaltimore/Washington

24h 30m

2 stops

SYD6:55 amSydney Kingsford Smith

Aug 26

SYD12:00 pmSydney Kingsford Smith

23h 52m

2 stops

BWI9:52 pmBaltimore/Washington

$1,188

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 - MEL

DCAMEL

Washington, D.C. Reagan-National

Mon 8/24

1:49 pm-5:00 am

1 stop25h 11m

Melbourne

Wed 9/9

1:35 pm-9:20 pm

1 stop21h 45m

$1,107

Quickest round-trip

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Mon 8/24

2:53 pm-5:00 am

1 stop24h 07m

Melbourne

Wed 9/9

1:35 pm-8:24 pm

1 stop20h 49m

$1,107

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 9/1

11:05 am-10:25 pm

3 stops45h 20m

Sydney Kingsford Smith

Mon 9/14

1:15 pm-7:09 pm

3 stops43h 54m

$1,133

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 9/6

3:45 pm-7:05 am

2 stops25h 20m

Brisbane

Tue 9/15

10:15 am-3:00 pm

2 stops42h 45m

$1,144

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 9/6

9:40 am-7:05 am

2 stops31h 25m

Brisbane

Tue 9/22

10:15 am-10:20 am

2 stops38h 05m

$1,145

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 8/12

3:55 pm-5:00 am

1 stop23h 05m

Melbourne

Wed 8/19

1:35 pm-9:34 pm

1 stop21h 59m

$1,171

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/9

3:03 pm-7:00 am

2 stops25h 57m

Sydney Kingsford Smith

Wed 8/19

9:30 am-4:35 pm

1 stop21h 05m

$1,177

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/2

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

Sun 8/16

12:00 pm-11:41 pm

1 stop25h 41m

$1,184

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/9

3:03 pm-7:00 am

2 stops25h 57m

Sydney Kingsford Smith

Sun 8/23

9:30 am-4:35 pm

1 stop21h 05m

$1,187

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sun 10/11

11:55 am-8:50 am

2 stops29h 55m

Melbourne

Mon 10/26

11:00 am-10:37 pm

2 stops26h 37m

$1,212

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 May 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 May, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in May, still average around $1,391.

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 $1,623 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 $1,118 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

Fastest flight time	21h 24m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 24m

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 July 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 $282	Free Cancellation	Rating 7.8 8,479 reviews	Search Delta flights
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 10,024 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,371 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,832 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 654 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,747 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.