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 03m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 27h 49m.

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

Delta, United Airlines, 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.

$757 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

10:20 - 17:11SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,438Multiple Airlines

Tue, 23 Feb - Tue, 16 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

$1,489Multiple Airlines

Fri, 12 Feb - Sun, 21 Feb

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

$1,494Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

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

58h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 17:12SYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,506Multiple Airlines

Sat, 17 Oct - Mon, 2 Nov

11:12 - 11:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 38m3 stops Orlando Los Angeles Nadi

13:15 - 10:27SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 12m3 stops Nadi Los Angeles Orlando

$1,516Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

11:12 - 11:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 38m3 stops Orlando Los Angeles Nadi

14:25 - 10:17SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

33h 52m3 stops Nadi Los Angeles Orlando

$1,517Multiple Airlines

Tue, 22 Sep - Sun, 27 Sep

11:12 - 11:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 38m3 stops Orlando Los Angeles Nadi

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

31h 05m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,523Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

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

$1,524Multiple Airlines

Mon, 2 Nov - Mon, 23 Nov

11:12 - 11:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 38m3 stops Orlando Los Angeles Nadi

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

31h 05m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,526Multiple Airlines

Wed, 23 Sep - Wed, 30 Sep

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

$1,526Multiple Airlines

Sun, 1 Nov - Sun, 15 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

08:00 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 55m1 stop San Francisco

09:30 - 16:35SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 05m1 stop Los Angeles

$1,715United Airlines

Sun, 30 Aug - Tue, 15 Sep

08:00 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 55m1 stop San Francisco

09:30 - 16:35SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 05m1 stop Los Angeles

$1,718United Airlines

Sun, 30 Aug - Tue, 15 Sep

18:52 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

09:30 - 07:15SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 45m2 stops Los Angeles San Francisco

$1,726United Airlines

Mon, 31 Aug - Mon, 14 Sep

18:52 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

09:30 - 07:15SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 45m2 stops Los Angeles San Francisco

$1,728United Airlines

Mon, 31 Aug - Mon, 14 Sep

08:30 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 25m2 stops Denver Intl San Francisco

09:30 - 07:15SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 45m2 stops Los Angeles San Francisco

$1,733United Airlines

Mon, 31 Aug - Mon, 14 Sep

08:30 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 25m2 stops Denver Intl San Francisco

09:30 - 07:15SYD Sydney Kingsford Smith-BWI Baltimore/Washington

35h 45m2 stops Los Angeles San Francisco

$1,735United Airlines

Mon, 31 Aug - Mon, 14 Sep

18:52 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

10:20 - 07:15SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 55m1 stop San Francisco

$1,743United Airlines

Mon, 31 Aug - Mon, 14 Sep

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

32h 51m1 stop Vancouver Intl

09:20 - 06:30SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 10m1 stop Vancouver Intl

$1,744Air Canada

Sun, 30 Aug - Tue, 15 Sep

18:52 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

10:20 - 07:15SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 55m1 stop San Francisco

$1,744United Airlines

Mon, 31 Aug - Mon, 14 Sep

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

32h 51m1 stop Vancouver Intl

09:20 - 20:25SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 05m2 stops Vancouver Intl Toronto Pearson Intl

$1,754Air Canada

Sun, 30 Aug - Tue, 15 Sep

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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

30 Aug

BWI08:00Baltimore/Washington

32h 55m

1 stop

SYD06:55Sydney Kingsford Smith

15 Sept

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,715

United Airlines

30 Aug

BWI18:52Baltimore/Washington

22h 03m

1 stop

SYD06:55Sydney Kingsford Smith

15 Sept

SYD10:20Sydney Kingsford Smith

39h 25m

2 stops

BWI11:45Baltimore/Washington

$1,718

United Airlines

31 Aug

BWI18:52Baltimore/Washington

22h 03m

1 stop

SYD06:55Sydney Kingsford Smith

14 Sept

SYD09:30Sydney Kingsford Smith

35h 45m

2 stops

BWI07:15Baltimore/Washington

$1,726

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

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

American Airlines

9 Feb

BWI14:46Baltimore/Washington

26h 44m

2 stops

MEL09:30Melbourne

16 Feb

MEL12:00Melbourne

28h 16m

2 stops

BWI00:16Baltimore/Washington

$1,597

American Airlines

26 Sept

BWI11:23Baltimore/Washington

29h 22m

2 stops

MEL06:45Melbourne

10 Oct

MEL14:35Melbourne

23h 19m

1 stop

BWI22:54Baltimore/Washington

$1,735

American Airlines

21 Oct

BWI11:55Baltimore/Washington

28h 00m

1 stop

SYD06:55Sydney Kingsford Smith

18 Nov

SYD11:10Sydney Kingsford Smith

27h 59m

2 stops

BWI23:09Baltimore/Washington

$1,827

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

Tue 23/2

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Tue 16/3

10:20-17:11

2 stops45h 51m

$1,438

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 12/2

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Sun 21/2

11:20-17:11

2 stops45h 51m

$1,489

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 9/11

18:15-09:35

2 stops47h 20m

Sydney Kingsford Smith

Mon 23/11

11:20-05:40

2 stops34h 20m

$1,494

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 17/10

07:02-08:20

2 stops58h 18m

Sydney Kingsford Smith

Mon 2/11

11:20-17:12

2 stops45h 52m

$1,506

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 23/9

11:12-11:50

3 stops34h 38m

Sydney Kingsford Smith

Wed 30/9

13:15-10:27

3 stops35h 12m

$1,516

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Tue 22/9

11:12-11:50

3 stops34h 38m

Sydney Kingsford Smith

Sun 27/9

14:25-10:17

3 stops33h 52m

$1,517

Fastest return journey

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 23/9

11:12-11:50

3 stops34h 38m

Sydney Kingsford Smith

Wed 30/9

13:15-06:20

3 stops31h 05m

$1,523

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 2/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Mon 23/11

11:20-05:40

2 stops34h 20m

$1,524

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 23/9

11:12-11:50

3 stops34h 38m

Sydney Kingsford Smith

Wed 30/9

13:15-06:20

3 stops31h 05m

$1,526

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 1/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Sun 15/11

11:20-05:40

2 stops34h 20m

$1,526

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 $1,906. If you don’t want to visit Australia in April, then you should wait until May to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,946.

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 $2,276 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 $1,739 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	$757
Fastest flight time	21h 59m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $757. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,438.

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

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.