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 43m 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 25m.

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

United Airlines, Delta, and Cathay Pacific 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.

$802 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.

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

$1,500Multiple Airlines

Mon, 1 Mar - Wed, 10 Mar

07:02 - 08:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

10:20 - 05:20SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 00m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,519Multiple Airlines

Wed, 21 Oct - Sun, 25 Oct

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 Los Angeles

$1,526Multiple Airlines

Mon, 1 Feb - Wed, 17 Feb

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 Los Angeles

$1,528Multiple Airlines

Mon, 1 Feb - Wed, 17 Feb

07:40 - 22:05IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 25m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi

14:00 - 20:40SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

46h 40m3 stops Nadi Los Angeles Los Angeles Orlando

$1,529Multiple Airlines

Sun, 8 Nov - Sun, 22 Nov

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

$1,535Multiple Airlines

Wed, 10 Feb - Thu, 25 Feb

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

37h 35m3 stops Denver Intl Los Angeles Los Angeles Nadi

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

38h 59m3 stops Nadi Los Angeles Los Angeles Denver Intl

$1,535Multiple Airlines

Fri, 6 Nov - Fri, 20 Nov

18:15 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 20m2 stops Seattle/Tacoma Intl Vancouver Intl

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

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,540Multiple Airlines

Thu, 5 Nov - Mon, 16 Nov

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

$1,553Multiple Airlines

Mon, 1 Mar - Wed, 10 Mar

06:00 - 12:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

39h 50m3 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles Nadi

14:00 - 11:34SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

36h 34m3 stops Nadi Los Angeles Los Angeles Dallas/Fort Worth

$1,556Multiple Airlines

Wed, 21 Oct - Sun, 25 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

45h 13m3 stops Orlando Los Angeles Los Angeles Nadi

13:15 - 10:17SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 02m3 stops Nadi Los Angeles Los Angeles Orlando

$1,769Multiple Airlines

Sat, 12 Sep - Mon, 28 Sep

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

32h 51m1 stop Vancouver Intl

09:20 - 21:18SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,884Air Canada

Tue, 8 Sep - Wed, 16 Sep

09:45 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

09:20 - 21:18SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,890Air Canada

Tue, 8 Sep - Wed, 16 Sep

12:55 - 07:20DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 25m2 stops Ottawa Vancouver Intl

09:20 - 21:50SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,959Air Canada

Tue, 8 Sep - Wed, 16 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

$1,975Etihad Airways

Thu, 10 Sep - Wed, 23 Sep

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

32h 51m1 stop Vancouver Intl

09:20 - 21:18SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,988Air Canada

Wed, 9 Sep - Fri, 18 Sep

09:30 - 05:00DCA Washington, D.C. Reagan-National-BNE Brisbane

29h 30m1 stop Los Angeles Los Angeles

11:25 - 20:00BNE Brisbane-DCA Washington, D.C. Reagan-National

47h 35m2 stops Nadi Los Angeles Los Angeles

$1,991Multiple Airlines

Sat, 12 Sep - Tue, 3 Nov

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

$1,994Air Canada

Wed, 9 Sep - Wed, 30 Sep

15:10 - 16:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

35h 40m1 stop Abu Dhabi Zayed Intl

20:50 - 09:45SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

50h 55m1 stop Abu Dhabi Zayed Intl

$2,002Etihad Airways

Sat, 12 Sep - Mon, 28 Sep

22:27 - 07:20IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

42h 53m2 stops Chicago O'Hare Intl Vancouver Intl

09:20 - 05:40SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$2,019Multiple Airlines

Sat, 12 Sep - Sat, 19 Sep

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

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

Qantas Airways

20 Oct

BWI16:04Baltimore/Washington

23h 51m

1 stop

SYD06:55Sydney Kingsford Smith

27 Oct

SYD13:05Sydney Kingsford Smith

24h 49m

1 stop

BWI22:54Baltimore/Washington

$1,757

Qantas Airways

20 Oct

BWI16:04Baltimore/Washington

23h 51m

1 stop

SYD06:55Sydney Kingsford Smith

27 Oct

SYD13:05Sydney Kingsford Smith

24h 49m

1 stop

BWI22:54Baltimore/Washington

$1,768

Qantas Airways

20 Oct

BWI16:04Baltimore/Washington

23h 51m

1 stop

SYD06:55Sydney Kingsford Smith

27 Oct

SYD13:05Sydney Kingsford Smith

24h 49m

1 stop

BWI22:54Baltimore/Washington

$1,779

Air Canada flights from Washington, D.C. to Australia

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

Air Canada

21 Oct

IAD12:43Washington, D.C. Dulles Intl

28h 37m

2 stops

SYD08:20Sydney Kingsford Smith

28 Oct

SYD10:20Sydney Kingsford Smith

25h 03m

2 stops

IAD20:23Washington, D.C. Dulles Intl

$1,771

Air Canada

21 Oct

IAD12:43Washington, D.C. Dulles Intl

28h 37m

3 stops

SYD08:20Sydney Kingsford Smith

28 Oct

SYD10:20Sydney Kingsford Smith

25h 03m

2 stops

IAD20:23Washington, D.C. Dulles Intl

$1,782

Air Canada

4 Nov

IAD13:19Washington, D.C. Dulles Intl

28h 16m

2 stops

SYD09:35Sydney Kingsford Smith

26 Nov

SYD11:20Sydney Kingsford Smith

40h 08m

3 stops

IAD11:28Washington, D.C. Dulles Intl

$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

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 1/3

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Wed 10/3

11:20-17:11

2 stops45h 51m

$1,500

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 21/10

07:02-08:20

2 stops34h 18m

Sydney Kingsford Smith

Sun 25/10

10:20-05:20

2 stops34h 00m

$1,519

Fastest return journey

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

$1,526

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

$1,528

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 8/11

07:40-22:05

3 stops46h 25m

Sydney Kingsford Smith

Sun 22/11

14:00-20:40

3 stops46h 40m

$1,529

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/2

18:20-09:35

2 stops47h 15m

Sydney Kingsford Smith

Thu 25/2

11:20-17:11

2 stops45h 51m

$1,535

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

Fri 20/11

14:00-12:59

3 stops38h 59m

$1,535

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 5/11

18:15-09:35

2 stops47h 20m

Sydney Kingsford Smith

Mon 16/11

11:20-05:40

2 stops34h 20m

$1,540

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 1/3

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Wed 10/3

11:20-17:11

2 stops45h 51m

$1,553

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 21/10

06:00-12:50

3 stops39h 50m

Sydney Kingsford Smith

Sun 25/10

14:00-11:34

3 stops36h 34m

$1,556

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 $1,929. 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 $1,947.

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 $2,271 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 $1,668 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	$802
Fastest flight time	22h 43m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $802. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,500.

The fastest flight from Washington, D.C. to Australia takes 22h 43m

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.