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

United Airlines, Qantas Airways, and Alaska Airlines 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 59% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 8 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 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 40m. 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 7 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.

$497 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.

11:07 am - 12:00 pm

IAD

MEL

34h 53m

3 stops

1:30 pm - 8:12 am

MEL

IAD

32h 42m

3 stops

$1,089Multiple Airlines

Thu, May 7 - Thu, May 28

5:16 pm - 7:30 am

DCA

SYD

24h 14m

1 stop

12:00 pm - 9:30 pm

SYD

DCA

23h 30m

1 stop

$1,141Qantas Airways

Mon, Jun 1 - Thu, Jul 23

7:00 am - 10:35 am

DCA

BNE

37h 35m

3 stops

11:35 am - 12:59 pm

BNE

DCA

39h 24m

3 stops

$1,144Multiple Airlines

Sun, May 24 - Sun, May 31

6:59 pm - 10:40 am

DCA

BNE

25h 41m

2 stops

11:55 am - 11:00 pm

BNE

DCA

25h 05m

2 stops

$1,496Fiji Airways

Sat, Aug 22 - Sat, Aug 29

3:03 pm - 8:15 am

BWI

MEL

27h 12m

2 stops

10:55 am - 11:30 pm

MEL

BWI

26h 35m

2 stops

$1,556United Airlines

Tue, May 26 - Tue, Jun 2

3:27 pm - 7:30 am

BWI

MEL

26h 03m

2 stops

9:30 am - 5:08 pm

MEL

BWI

21h 38m

1 stop

$1,559United Airlines

Fri, May 8 - Fri, May 15

2:59 pm - 6:55 am

BWI

SYD

25h 56m

1 stop

12:00 pm - 7:20 pm

SYD

BWI

21h 20m

1 stop

$1,563American Airlines

Wed, Jun 3 - Tue, Jun 16

7:10 pm - 6:55 am

BWI

SYD

21h 45m

1 stop

12:00 pm - 11:44 pm

SYD

BWI

25h 44m

1 stop

$1,565American Airlines

Mon, May 25 - Mon, Jun 1

11:50 am - 7:50 am

BWI

MEL

30h 00m

2 stops

10:00 am - 12:57 am

MEL

BWI

28h 57m

2 stops

$1,571Delta

Fri, May 8 - Fri, May 15

7:41 pm - 7:50 am

BWI

MEL

46h 09m

2 stops

10:00 am - 12:58 am

MEL

BWI

28h 58m

2 stops

$1,573Delta

Thu, May 21 - Fri, Jun 12

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

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

Qantas Airways

Jun 6

IAD7:24 pmWashington, D.C. Dulles Intl

21h 31m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 10

SYD12:00 pmSydney Kingsford Smith

20h 34m

1 stop

IAD6:34 pmWashington, D.C. Dulles Intl

$1,185

Qantas Airways

Jun 20

IAD11:59 amWashington, D.C. Dulles Intl

28h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

Jul 18

SYD12:00 pmSydney Kingsford Smith

20h 32m

1 stop

IAD6:32 pmWashington, D.C. Dulles Intl

$1,203

Qantas Airways

Jun 6

DCA6:55 pmWashington, D.C. Reagan-National

22h 00m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 10

SYD9:10 amSydney Kingsford Smith

21h 20m

1 stop

DCA4:30 pmWashington, D.C. Reagan-National

$1,209

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

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

Turkish Airlines

May 6

IAD9:45 pmWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 13

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,312

Turkish Airlines

May 6

IAD1:20 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 20

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,335

Turkish Airlines

Sep 1

IAD1:20 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SYD7:10 pmSydney Kingsford Smith

Dec 18

SYD9:45 pmSydney Kingsford Smith

54h 00m

2 stops

IAD11:45 amWashington, D.C. Dulles Intl

$1,342

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

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Thu 5/7

11:07 am-12:00 pm

3 stops34h 53m

Melbourne

Thu 5/28

1:30 pm-8:12 am

3 stops32h 42m

$1,089

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/1

5:16 pm-7:30 am

1 stop24h 14m

Sydney Kingsford Smith

Thu 7/23

12:00 pm-9:30 pm

1 stop23h 30m

$1,141

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 5/24

7:00 am-10:35 am

3 stops37h 35m

Brisbane

Sun 5/31

11:35 am-12:59 pm

3 stops39h 24m

$1,144

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sat 8/22

6:59 pm-10:40 am

2 stops25h 41m

Brisbane

Sat 8/29

11:55 am-11:00 pm

2 stops25h 05m

$1,496

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 5/26

3:03 pm-8:15 am

2 stops27h 12m

Melbourne

Tue 6/2

10:55 am-11:30 pm

2 stops26h 35m

$1,556

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 5/8

3:27 pm-7:30 am

2 stops26h 03m

Melbourne

Fri 5/15

9:30 am-5:08 pm

1 stop21h 38m

$1,559

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 6/3

2:59 pm-6:55 am

1 stop25h 56m

Sydney Kingsford Smith

Tue 6/16

12:00 pm-7:20 pm

1 stop21h 20m

$1,563

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 5/25

7:10 pm-6:55 am

1 stop21h 45m

Sydney Kingsford Smith

Mon 6/1

12:00 pm-11:44 pm

1 stop25h 44m

$1,565

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 5/8

11:50 am-7:50 am

2 stops30h 00m

Melbourne

Fri 5/15

10:00 am-12:57 am

2 stops28h 57m

$1,571

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 5/21

7:41 pm-7:50 am

2 stops46h 09m

Melbourne

Fri 6/12

10:00 am-12:58 am

2 stops28h 58m

$1,573

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 February is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $1,294. If you aren’t able to travel during the month of February, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in February, still average around $1,297.

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 $1,610 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 $758 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 26m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 26m

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 7 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 8,407 reviews	Search Delta flights
United Airlines	PriceFrom $327	Free Cancellation	Rating 7.4 9,581 reviews	Search United Airlines flights
Fiji Airways	PriceFrom $719	Free Cancellation	Rating 8.1 239 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,018 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,568 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 10,922 reviews	Search Air Canada flights
Qatar Airways	PriceFrom $1,195	Free Cancellation	Rating 7.4 3,728 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 626 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.