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 39m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 22h 11m. Keep in mind that layovers or delays could extend your travel time.

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 61% 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?

Fiji Airways, Alaska 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 April 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.

$496 Cheap Flights from Washington, D.C. to Australia in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

6:05 am - 12:05 pm

BWI

SYD

40h 00m

3 stops

1:15 pm - 4:22 pm

SYD

BWI

41h 07m

3 stops

$969Multiple Airlines

Mon, Apr 27 - Sun, May 10

7:00 am - 11:50 am

DCA

SYD

38h 50m

3 stops

6:00 am - 9:58 pm

SYD

DCA

53h 58m

3 stops

$990Multiple Airlines

Sun, May 24 - Thu, May 28

5:30 pm - 7:05 am

DCA

SYD

23h 35m

1 stop

12:00 pm - 7:13 pm

SYD

DCA

21h 13m

1 stop

$1,136Qantas Airways

Sun, Aug 16 - Mon, Aug 24

5:59 pm - 6:55 am

IAD

SYD

22h 56m

1 stop

12:00 pm - 11:26 pm

SYD

IAD

25h 26m

1 stop

$1,140Qantas Airways

Mon, Apr 27 - Mon, May 4

11:41 am - 5:00 am

BWI

BNE

27h 19m

2 stops

8:35 pm - 2:09 pm

BNE

BWI

31h 34m

2 stops

$1,395American Airlines

Wed, May 6 - Wed, May 27

7:00 am - 5:00 am

BWI

BNE

32h 00m

2 stops

8:35 pm - 8:56 am

BNE

BWI

26h 21m

2 stops

$1,396American Airlines

Mon, Apr 20 - Tue, Apr 28

6:15 pm - 8:15 am

BWI

MEL

24h 00m

1 stop

9:30 am - 6:22 pm

MEL

BWI

22h 52m

1 stop

$1,553United Airlines

Mon, Apr 13 - Wed, Apr 29

6:15 pm - 6:55 am

BWI

SYD

22h 40m

1 stop

9:30 am - 9:02 pm

SYD

BWI

25h 32m

2 stops

$1,553United Airlines

Mon, Apr 27 - Sun, May 10

10:28 am - 7:50 am

BWI

MEL

31h 22m

2 stops

10:00 am - 12:57 am

MEL

BWI

28h 57m

2 stops

$1,570Delta

Fri, May 15 - Fri, May 22

2:18 pm - 7:50 am

BWI

MEL

27h 32m

2 stops

10:00 am - 8:17 pm

MEL

BWI

24h 17m

2 stops

$1,571Delta

Mon, Apr 13 - Wed, Apr 29

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

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

Turkish Airlines

Apr 22

IAD9:45 pmWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 6

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,312

Turkish Airlines

Apr 22

IAD9:45 pmWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 6

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,334

Turkish Airlines

May 10

IAD1:20 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 19

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,335

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

Aug 26

BWI3:03 pmBaltimore/Washington

27h 42m

2 stops

SYD8:45 amSydney Kingsford Smith

Sep 27

SYD9:30 amSydney Kingsford Smith

21h 17m

1 stop

BWI4:47 pmBaltimore/Washington

$1,601

Air New Zealand

Aug 26

BWI3:03 pmBaltimore/Washington

27h 42m

2 stops

SYD8:45 amSydney Kingsford Smith

Sep 6

SYD9:30 amSydney Kingsford Smith

21h 01m

1 stop

BWI4:31 pmBaltimore/Washington

$1,602

Air New Zealand

Apr 13

BWI6:15 pmBaltimore/Washington

22h 45m

1 stop

SYD7:00 amSydney Kingsford Smith

Apr 27

SYD9:30 amSydney Kingsford Smith

21h 38m

1 stop

BWI5:08 pmBaltimore/Washington

$1,615

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

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 4/27

6:05 am-12:05 pm

3 stops40h 00m

Sydney Kingsford Smith

Sun 5/10

1:15 pm-4:22 pm

3 stops41h 07m

$969

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 5/24

7:00 am-11:50 am

3 stops38h 50m

Sydney Kingsford Smith

Thu 5/28

6:00 am-9:58 pm

3 stops53h 58m

$990

Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 8/16

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Mon 8/24

12:00 pm-7:13 pm

1 stop21h 13m

$1,136

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 4/27

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Mon 5/4

12:00 pm-11:26 pm

1 stop25h 26m

$1,140

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 5/6

11:41 am-5:00 am

2 stops27h 19m

Brisbane

Wed 5/27

8:35 pm-2:09 pm

2 stops31h 34m

$1,395

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 4/20

7:00 am-5:00 am

2 stops32h 00m

Brisbane

Tue 4/28

8:35 pm-8:56 am

2 stops26h 21m

$1,396

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 4/13

6:15 pm-8:15 am

1 stop24h 00m

Melbourne

Wed 4/29

9:30 am-6:22 pm

1 stop22h 52m

$1,553

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 4/27

6:15 pm-6:55 am

1 stop22h 40m

Sydney Kingsford Smith

Sun 5/10

9:30 am-9:02 pm

2 stops25h 32m

$1,553

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 5/15

10:28 am-7:50 am

2 stops31h 22m

Melbourne

Fri 5/22

10:00 am-12:57 am

2 stops28h 57m

$1,570

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 4/13

2:18 pm-7:50 am

2 stops27h 32m

Melbourne

Wed 4/29

10:00 am-8:17 pm

2 stops24h 17m

$1,571

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 $1,121. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during February instead. Flights to Australia in February, while not as cheap as those in August, still average around $1,294.

How far in advance should I book a flight 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 $1,622 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 $655 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 12m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 12m

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 April 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 7.9 8,382 reviews	Search Delta flights
United Airlines	PriceFrom $327	Free Cancellation	Rating 7.4 9,543 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,554 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 10,891 reviews	Search Air Canada flights
Qatar Airways	PriceFrom $1,195	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 623 reviews	Search Air New Zealand 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.