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

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

How long is the flight from Washington, D.C. to Australia?

The flight from Washington, D.C. to Australia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to Sydney (the most popular airport in Australia), then the flight time is 23h on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 23h 50m.

When did momondo last update prices for flights from Washington, D.C. to Australia?

Prices for flights from Washington, D.C. to Australia are refreshed on a daily basis.

How old do you have to be to fly from Washington, D.C. to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$819 Cheap Flights from Washington, D.C. to Australia in 2026/27

Find the cheapest flights from Washington, D.C. to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:31 - 06:30BWI Baltimore/Washington-BNE Brisbane

21h 59m1 stop San Francisco

10:30 - 17:17BNE Brisbane-BWI Baltimore/Washington

20h 47m1 stop San Francisco

$1,587United Airlines

Tue, 16 Mar - Wed, 31 Mar

16:59 - 06:30BWI Baltimore/Washington-BNE Brisbane

22h 31m1 stop Dallas/Fort Worth

09:40 - 18:07BNE Brisbane-BWI Baltimore/Washington

23h 27m1 stop Dallas/Fort Worth

$1,603Qantas Airways

Mon, 1 Feb - Wed, 17 Feb

18:34 - 07:30BWI Baltimore/Washington-BNE Brisbane

21h 56m1 stop San Francisco

11:20 - 17:26BNE Brisbane-BWI Baltimore/Washington

21h 06m1 stop San Francisco

$1,604United Airlines

Mon, 2 Nov - Wed, 25 Nov

14:11 - 08:30BWI Baltimore/Washington-BNE Brisbane

27h 19m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 21:41BNE Brisbane-BWI Baltimore/Washington

26h 01m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,606Delta

Mon, 2 Nov - Wed, 25 Nov

07:00 - 12:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

37h 35m3 stops Denver Intl Los Angeles Nadi

06:00 - 12:59SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

46h 59m3 stops Nadi Los Angeles Denver Intl

$1,607Multiple Airlines

Fri, 6 Nov - Thu, 26 Nov

11:25 - 07:30BWI Baltimore/Washington-BNE Brisbane

29h 05m2 stops Los Angeles San Francisco

11:20 - 17:26BNE Brisbane-BWI Baltimore/Washington

21h 06m1 stop San Francisco

$1,610United Airlines

Sat, 7 Nov - Mon, 23 Nov

08:05 - 06:30BWI Baltimore/Washington-BNE Brisbane

32h 25m1 stop San Francisco

10:20 - 17:26BNE Brisbane-BWI Baltimore/Washington

21h 06m1 stop San Francisco

$1,619United Airlines

Wed, 21 Oct - Wed, 28 Oct

07:00 - 12:35DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

37h 35m3 stops Denver Intl Los Angeles Nadi

14:00 - 12:59SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

38h 59m3 stops Nadi Los Angeles Denver Intl

$1,623Multiple Airlines

Wed, 11 Nov - Thu, 26 Nov

07:32 - 22:05IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 33m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

06:00 - 12:14SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

46h 14m3 stops Nadi Los Angeles Atlanta Hartsfield-Jackson

$1,625Multiple Airlines

Fri, 6 Nov - Thu, 26 Nov

16:59 - 11:05BWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 06m2 stops Dallas/Fort Worth Brisbane

14:05 - 18:07SYD Sydney Kingsford Smith-BWI Baltimore/Washington

20h 02m1 stop Dallas/Fort Worth

$1,625Qantas Airways

Wed, 10 Feb - Tue, 9 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:00 - 07:50BWI Baltimore/Washington-SYD Sydney Kingsford Smith

28h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

09:40 - 20:20SYD Sydney Kingsford Smith-BWI Baltimore/Washington

25h 40m2 stops Los Angeles Atlanta Hartsfield-Jackson

$2,230Delta

Tue, 13 Oct - Tue, 27 Oct

10:21 - 07:50BWI Baltimore/Washington-SYD Sydney Kingsford Smith

30h 29m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:15 - 18:31SYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 16m2 stops Los Angeles Minneapolis St Paul

$2,253Delta

Thu, 15 Oct - Wed, 21 Oct

16:15 - 07:55IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

24h 40m1 stop San Francisco

09:55 - 23:02SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 07m2 stops Auckland Intl Houston George Bush Intcntl

$2,286Air New Zealand

Sun, 11 Oct - Sun, 25 Oct

17:59 - 07:55DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

22h 56m1 stop San Francisco

11:50 - 22:30SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

25h 40m2 stops Auckland Intl San Francisco

$2,286Air New Zealand

Wed, 14 Oct - Wed, 28 Oct

20:40 - 08:20DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

44h 40m1 stop Toronto Pearson Intl

10:20 - 19:58SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

24h 38m1 stop Toronto Pearson Intl

$2,302Multiple Airlines

Tue, 13 Oct - Tue, 27 Oct

06:00 - 09:40IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

36h 40m2 stops Los Angeles Hong Kong Intl

08:45 - 23:23SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

29h 38m2 stops Hong Kong Intl Dallas/Fort Worth

$2,309Multiple Airlines

Wed, 14 Oct - Wed, 28 Oct

17:43 - 08:30BWI Baltimore/Washington-MEL Melbourne

23h 47m1 stop Los Angeles

12:45 - 05:34MEL Melbourne-BWI Baltimore/Washington

32h 49m2 stops San Francisco Los Angeles

$2,310United Airlines

Mon, 12 Oct - Thu, 12 Nov

18:50 - 07:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 05m1 stop San Francisco

19:25 - 23:38SYD Sydney Kingsford Smith-BWI Baltimore/Washington

43h 13m2 stops Auckland Intl Houston George Bush Intcntl

$2,313Air New Zealand

Mon, 12 Oct - Sun, 25 Oct

17:59 - 07:55DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

22h 56m1 stop San Francisco

19:25 - 20:57SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

40h 32m2 stops Auckland Intl Houston George Bush Intcntl

$2,313Air New Zealand

Sun, 11 Oct - Sun, 25 Oct

17:43 - 08:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 17m1 stop Los Angeles

11:50 - 06:48SYD Sydney Kingsford Smith-BWI Baltimore/Washington

33h 58m2 stops Auckland Intl San Francisco

$2,322Air New Zealand

Wed, 14 Oct - Wed, 28 Oct

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

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

American Airlines

17 Oct

BWI11:40Baltimore/Washington

27h 20m

2 stops

BNE05:00Brisbane

12 Nov

BNE13:10Brisbane

25h 45m

2 stops

BWI23:55Baltimore/Washington

$1,593

American Airlines

19 Oct

BWI07:00Baltimore/Washington

31h 00m

1 stop

MEL05:00Melbourne

3 Nov

MEL12:00Melbourne

26h 36m

1 stop

BWI22:36Baltimore/Washington

$1,752

American Airlines

4 Nov

BWI15:57Baltimore/Washington

22h 58m

1 stop

SYD06:55Sydney Kingsford Smith

11 Nov

SYD14:05Sydney Kingsford Smith

24h 48m

1 stop

BWI22:53Baltimore/Washington

$1,774

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

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

Turkish Airlines

9 Nov

IAD21:20Washington, D.C. Dulles Intl

31h 25m

2 stops

MEL20:45Melbourne

25 Nov

MEL22:35Melbourne

53h 10m

2 stops

IAD11:45Washington, D.C. Dulles Intl

$2,085

Turkish Airlines

9 Nov

IAD21:20Washington, D.C. Dulles Intl

31h 25m

2 stops

MEL20:45Melbourne

25 Nov

MEL22:35Melbourne

53h 10m

2 stops

IAD11:45Washington, D.C. Dulles Intl

$2,161

Turkish Airlines

6 Jan

IAD13:30Washington, D.C. Dulles Intl

39h 15m

2 stops

MEL20:45Melbourne

20 Jan

MEL22:35Melbourne

36h 50m

2 stops

IAD19:25Washington, D.C. Dulles Intl

$2,171

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 return flight

Fastest return journey

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Tue 16/3

18:31-06:30

1 stop21h 59m

Brisbane

Wed 31/3

10:30-17:17

1 stop20h 47m

$1,587

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 1/2

16:59-06:30

1 stop22h 31m

Brisbane

Wed 17/2

09:40-18:07

1 stop23h 27m

$1,603

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/11

18:34-07:30

1 stop21h 56m

Brisbane

Wed 25/11

11:20-17:26

1 stop21h 06m

$1,604

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/11

14:11-08:30

2 stops27h 19m

Brisbane

Wed 25/11

10:40-21:41

2 stops26h 01m

$1,606

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Fri 6/11

07:00-12:35

3 stops37h 35m

Sydney Kingsford Smith

Thu 26/11

06:00-12:59

3 stops46h 59m

$1,607

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Sat 7/11

11:25-07:30

2 stops29h 05m

Brisbane

Mon 23/11

11:20-17:26

1 stop21h 06m

$1,610

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Wed 21/10

08:05-06:30

1 stop32h 25m

Brisbane

Wed 28/10

10:20-17:26

1 stop21h 06m

$1,619

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 11/11

07:00-12:35

3 stops37h 35m

Sydney Kingsford Smith

Thu 26/11

14:00-12:59

3 stops38h 59m

$1,623

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Fri 6/11

07:32-22:05

3 stops46h 33m

Sydney Kingsford Smith

Thu 26/11

06:00-12:14

3 stops46h 14m

$1,625

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/2

16:59-11:05

2 stops26h 06m

Sydney Kingsford Smith

Tue 9/3

14:05-18:07

1 stop20h 02m

$1,625

Flights are sorted by cheapest return 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?

In general, November is the cheapest month to fly from Washington, D.C. to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,968. If you don’t want to visit Australia in November, then you should wait until April to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,998.

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 $2,319 when searching weeks before you fly. 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 $1,847 on momondo.

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

You could potentially save up to 9% 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

Best price found	$819
Fastest flight time	22h 31m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $819. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,587.

The fastest flight from Washington, D.C. to Australia takes 22h 31m

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 are refreshed on a daily basis.
How old do you have to be to fly from Washington, D.C. to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

Finding the right flight to Australia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Australia?

momondo helps you find the best flight between Washington, D.C. and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.