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 22h 49m 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 30m.

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

United Airlines, American Airlines, and Delta 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 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.

$275 Cheap Flights from Washington, D.C. to Australia in 2026

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.

17:35 - 09:00DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

13:05 - 21:45SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

23h 40m1 stop Dallas/Fort Worth

$275Qantas Airways

Sat, 24 Oct - Sat, 31 Oct

13:44 - 05:00DCA Washington, D.C. Reagan-National-MEL Melbourne

24h 16m1 stop Dallas/Fort Worth

10:20 - 20:00MEL Melbourne-DCA Washington, D.C. Reagan-National

24h 40m2 stops Brisbane Los Angeles

$317Qantas Airways

Mon, 12 Oct - Mon, 26 Oct

15:08 - 10:00IAD Washington, D.C. Dulles Intl-MEL Melbourne

27h 52m2 stops Dallas/Fort Worth Sydney Kingsford Smith

14:35 - 23:23MEL Melbourne-IAD Washington, D.C. Dulles Intl

23h 48m1 stop Dallas/Fort Worth

$321Qantas Airways

Tue, 13 Oct - Mon, 19 Oct

17:35 - 11:40DCA Washington, D.C. Reagan-National-MEL Melbourne

27h 05m2 stops Los Angeles Sydney Kingsford Smith

14:35 - 22:55MEL Melbourne-DCA Washington, D.C. Reagan-National

23h 20m1 stop Dallas/Fort Worth

$321Qantas Airways

Tue, 13 Oct - Mon, 19 Oct

18:20 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 15m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 17:11SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,492Multiple Airlines

Wed, 3 Feb - Wed, 17 Feb

07:02 - 08:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 18:12SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,495Multiple Airlines

Tue, 27 Oct - Sun, 1 Nov

07:02 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 05:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,528Multiple Airlines

Wed, 11 Nov - Mon, 16 Nov

18:59 - 12:50DCA Washington, D.C. Reagan-National-BNE Brisbane

26h 51m2 stops Dallas/Fort Worth Auckland Intl

13:10 - 20:41BNE Brisbane-DCA Washington, D.C. Reagan-National

22h 31m1 stop Los Angeles

$1,535Multiple Airlines

Mon, 1 Feb - Wed, 17 Feb

18:20 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 15m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 17:11SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,536Multiple Airlines

Wed, 3 Feb - Wed, 3 Mar

18:11 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 24m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 17:11SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,538Multiple Airlines

Wed, 17 Feb - Tue, 23 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:12 - 12:05IAD Washington, D.C. Dulles Intl-MEL Melbourne

34h 53m3 stops Orlando Los Angeles Nadi

13:30 - 10:17MEL Melbourne-IAD Washington, D.C. Dulles Intl

34h 47m3 stops Nadi Los Angeles Orlando

$1,843Multiple Airlines

Sat, 19 Sep - Sun, 27 Sep

09:07 - 07:05IAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 58m2 stops Calgary Vancouver Intl

10:00 - 19:00BNE Brisbane-IAD Washington, D.C. Dulles Intl

23h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,896Air Canada

Wed, 16 Sep - Wed, 23 Sep

08:29 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

09:20 - 19:00SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

23h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,902Air Canada

Sat, 19 Sep - Fri, 2 Oct

08:29 - 07:05IAD Washington, D.C. Dulles Intl-BNE Brisbane

32h 36m1 stop Vancouver Intl

10:00 - 19:00BNE Brisbane-IAD Washington, D.C. Dulles Intl

23h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,948Air Canada

Wed, 16 Sep - Wed, 23 Sep

09:40 - 07:05DCA Washington, D.C. Reagan-National-BNE Brisbane

31h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:00 - 10:20BNE Brisbane-DCA Washington, D.C. Reagan-National

38h 20m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,952Air Canada

Wed, 16 Sep - Wed, 23 Sep

08:29 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

09:20 - 11:13SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

39h 53m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,962Air Canada

Sat, 19 Sep - Fri, 2 Oct

22:10 - 07:05IAD Washington, D.C. Dulles Intl-BNE Brisbane

42h 55m2 stops Ottawa Vancouver Intl

10:45 - 16:53BNE Brisbane-IAD Washington, D.C. Dulles Intl

44h 08m2 stops Vancouver Intl Ottawa

$1,962Air Canada

Sat, 19 Sep - Sun, 1 Nov

15:10 - 06:10IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

15:40 - 09:45SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,992Etihad Airways

Thu, 17 Sep - Wed, 30 Sep

15:10 - 06:10IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

15:40 - 09:45SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,994Etihad Airways

Thu, 17 Sep - Wed, 30 Sep

11:12 - 22:25IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

45h 13m3 stops Orlando Los Angeles Nadi

13:15 - 06:20SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

55h 05m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$2,002Multiple Airlines

Sat, 19 Sep - Fri, 2 Oct

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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

25 Oct

BWI18:34Baltimore/Washington

23h 56m

1 stop

MEL09:30Melbourne

10 Nov

MEL12:45Melbourne

43h 40m

2 stops

BWI16:25Baltimore/Washington

$1,609

United Airlines

12 Oct

BWI15:04Baltimore/Washington

26h 26m

2 stops

MEL08:30Melbourne

28 Oct

MEL10:30Melbourne

27h 14m

2 stops

BWI22:44Baltimore/Washington

$1,610

United Airlines

10 Feb

BWI18:31Baltimore/Washington

23h 59m

1 stop

MEL10:30Melbourne

8 Mar

MEL11:30Melbourne

25h 27m

2 stops

BWI20:57Baltimore/Washington

$1,616

Delta flights from Washington, D.C. to Australia

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

Delta

28 Oct

BWI14:11Baltimore/Washington

27h 19m

2 stops

BNE07:30Brisbane

4 Nov

BNE10:40Brisbane

28h 51m

2 stops

BWI00:31Baltimore/Washington

$1,813

Delta

7 Dec

BWI12:00Baltimore/Washington

28h 30m

2 stops

SYD08:30Sydney Kingsford Smith

13 Jan

SYD10:40Sydney Kingsford Smith

28h 36m

2 stops

BWI23:16Baltimore/Washington

$1,818

Delta

25 Oct

BWI19:40Baltimore/Washington

45h 50m

2 stops

BNE07:30Brisbane

1 Nov

BNE10:40Brisbane

25h 56m

2 stops

BWI22:36Baltimore/Washington

$1,828

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

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Sat 24/10

17:35-09:00

1 stop24h 25m

Sydney Kingsford Smith

Sat 31/10

13:05-21:45

1 stop23h 40m

$275

Washington, D.C.Melbourne

DCA Washington, D.C. Reagan-National - MEL Melbourne

DCAMEL

Washington, D.C. Reagan-National

Mon 12/10

13:44-05:00

1 stop24h 16m

Melbourne

Mon 26/10

10:20-20:00

2 stops24h 40m

$316

Washington, D.C.Melbourne

IAD Washington, D.C. Dulles Intl - MEL Melbourne

IADMEL

Washington, D.C. Dulles Intl

Tue 13/10

15:08-10:00

2 stops27h 52m

Melbourne

Mon 19/10

14:35-23:23

1 stop23h 48m

$321

Washington, D.C.Melbourne

DCA Washington, D.C. Reagan-National - MEL Melbourne

DCAMEL

Washington, D.C. Reagan-National

Tue 13/10

17:35-11:40

2 stops27h 05m

Melbourne

Mon 19/10

14:35-22:55

1 stop23h 20m

$321

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 3/2

18:20-09:35

2 stops47h 15m

Sydney Kingsford Smith

Wed 17/2

11:20-17:11

2 stops45h 51m

$1,492

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 27/10

07:02-08:35

2 stops34h 33m

Sydney Kingsford Smith

Sun 1/11

11:20-18:12

2 stops45h 52m

$1,495

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 11/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Mon 16/11

11:20-05:40

2 stops34h 20m

$1,528

Washington, D.C.Brisbane

DCA Washington, D.C. Reagan-National - BNE Brisbane

DCABNE

Washington, D.C. Reagan-National

Mon 1/2

18:59-12:50

2 stops26h 51m

Brisbane

Wed 17/2

13:10-20:41

1 stop22h 31m

$1,535

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 3/2

18:20-09:35

2 stops47h 15m

Sydney Kingsford Smith

Wed 3/3

11:20-17:11

2 stops45h 51m

$1,536

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 17/2

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Tue 23/2

11:20-17:11

2 stops45h 51m

$1,538

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, April 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 $1,938. If you don’t want to visit Australia in April, then you should wait until August to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,956.

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 $2,285 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 $1,570 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	$798
Fastest flight time	22h 49m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $798. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $275.

The fastest flight from Washington, D.C. to Australia takes 22h 49m

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.