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

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

What airlines fly to Australia?

United Airlines, American Airlines and Qantas Airways 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 46% 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 22h 24m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 25h 22m. 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 January 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.

$494 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.

11:05 am - 7:05 am

DCA

BNE

30h 00m

2 stops

10:00 am - 9:53 pm

BNE

DCA

25h 53m

2 stops

$999Air Canada

Wed, Apr 8 - Wed, Apr 29

8:15 am - 7:05 am

IAD

BNE

32h 50m

2 stops

10:00 am - 7:50 am

BNE

IAD

35h 50m

2 stops

$1,001Air Canada

Mon, May 11 - Mon, May 18

11:05 am - 8:45 am

DCA

BNE

30h 40m

2 stops

9:45 am - 7:45 pm

BNE

DCA

24h 00m

2 stops

$1,002Air Canada

Wed, Mar 4 - Wed, Mar 11

3:21 pm - 6:30 am

BWI

BNE

24h 09m

1 stop

9:40 am - 10:59 pm

BNE

BWI

28h 19m

1 stop

$1,202American Airlines

Thu, Feb 19 - Thu, Feb 26

4:10 pm - 7:30 am

BWI

BNE

24h 20m

2 stops

11:40 am - 7:27 am

BNE

BWI

34h 47m

1 stop

$1,210United Airlines

Sun, Feb 1 - Sat, Feb 14

4:03 pm - 6:30 am

BWI

BNE

24h 27m

2 stops

10:40 am - 5:20 pm

BNE

BWI

20h 40m

1 stop

$1,215United Airlines

Wed, Mar 18 - Thu, Mar 26

10:10 am - 5:00 am

BWI

BNE

28h 50m

2 stops

7:40 am - 11:51 pm

BNE

BWI

30h 11m

2 stops

$1,224American Airlines

Mon, Jun 1 - Mon, Jun 8

8:30 am - 10:25 am

DCA

MEL

33h 55m

2 stops

4:05 pm - 8:57 pm

MEL

DCA

20h 52m

1 stop

$1,235Qantas Airways

Mon, Feb 23 - Wed, Mar 4

3:22 pm - 6:55 am

BWI

SYD

23h 33m

1 stop

6:30 am - 2:32 pm

SYD

BWI

24h 02m

2 stops

$1,260Qantas Airways

Tue, Feb 17 - Tue, Feb 24

7:40 pm - 7:50 am

BWI

MEL

46h 10m

2 stops

10:00 am - 12:15 am

MEL

BWI

28h 15m

2 stops

$1,299Delta

Thu, Jun 18 - Wed, Jul 1

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

Apr 23

IAD8:15 amWashington, D.C. Dulles Intl

33h 05m

2 stops

SYD7:20 amSydney Kingsford Smith

Apr 28

SYD9:20 amSydney Kingsford Smith

25h 09m

1 stop

IAD8:29 pmWashington, D.C. Dulles Intl

$1,157

Air New Zealand

Jun 30

IAD10:10 pmWashington, D.C. Dulles Intl

42h 20m

1 stop

BNE6:30 amBrisbane

Aug 11

BNE10:30 amBrisbane

19h 55m

1 stop

IAD4:25 pmWashington, D.C. Dulles Intl

$1,239

Air New Zealand

Mar 5

BWI8:31 amBaltimore/Washington

33h 29m

1 stop

MEL10:00 amMelbourne

Mar 15

MEL10:30 amMelbourne

21h 53m

1 stop

BWI5:23 pmBaltimore/Washington

$1,300

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

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

Turkish Airlines

Feb 15

IAD9:15 pmWashington, D.C. Dulles Intl

54h 05m

2 stops

SYD7:20 pmSydney Kingsford Smith

Feb 25

SYD9:15 pmSydney Kingsford Smith

38h 05m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

$1,306

Turkish Airlines

Feb 17

IAD9:15 pmWashington, D.C. Dulles Intl

54h 05m

2 stops

SYD7:20 pmSydney Kingsford Smith

May 26

SYD9:05 pmSydney Kingsford Smith

36h 45m

2 stops

IAD7:50 pmWashington, D.C. Dulles Intl

$1,307

Turkish Airlines

Mar 16

IAD10:15 pmWashington, D.C. Dulles Intl

31h 40m

2 stops

MEL8:55 pmMelbourne

Mar 25

MEL10:40 pmMelbourne

36h 40m

2 stops

IAD8:20 pmWashington, D.C. Dulles Intl

$1,318

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

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 4/8

11:05 am-7:05 am

2 stops30h 00m

Brisbane

Wed 4/29

10:00 am-9:53 pm

2 stops25h 53m

$999

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 5/11

8:15 am-7:05 am

2 stops32h 50m

Brisbane

Mon 5/18

10:00 am-7:50 am

2 stops35h 50m

$1,001

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 3/4

11:05 am-8:45 am

2 stops30h 40m

Brisbane

Wed 3/11

9:45 am-7:45 pm

2 stops24h 00m

$1,002

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 2/19

3:21 pm-6:30 am

1 stop24h 09m

Brisbane

Thu 2/26

9:40 am-10:59 pm

1 stop28h 19m

$1,202

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 2/1

4:10 pm-7:30 am

2 stops24h 20m

Brisbane

Sat 2/14

11:40 am-7:27 am

1 stop34h 47m

$1,210

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 3/18

4:03 pm-6:30 am

2 stops24h 27m

Brisbane

Thu 3/26

10:40 am-5:20 pm

1 stop20h 40m

$1,215

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 6/1

10:10 am-5:00 am

2 stops28h 50m

Brisbane

Mon 6/8

7:40 am-11:51 pm

2 stops30h 11m

$1,224

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Mon 2/23

8:30 am-10:25 am

2 stops33h 55m

Melbourne

Wed 3/4

4:05 pm-8:57 pm

1 stop20h 52m

$1,235

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 2/17

3:22 pm-6:55 am

1 stop23h 33m

Sydney Kingsford Smith

Tue 2/24

6:30 am-2:32 pm

2 stops24h 02m

$1,260

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 6/18

7:40 pm-7:50 am

2 stops46h 10m

Melbourne

Wed 7/1

10:00 am-12:15 am

2 stops28h 15m

$1,299

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 $864. 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 $870.

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 $1,353 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 59m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 59m

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

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 January 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 8,088 reviews	Search Delta flights
United Airlines	PriceFrom $327	Free Cancellation	Rating 7.4 9,191 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $587	Free Cancellation	Rating 7.5 973 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $818	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 10,646 reviews	Search Air Canada flights
Qatar Airways	PriceFrom $1,195	Free Cancellation	Rating 7.4 3,718 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,257	Free Cancellation	Rating 8.0 573 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.