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 05m 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 22m.

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

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.

$816 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.

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

34h 33m2 stops Seattle/Tacoma Intl Vancouver Intl

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

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,657Multiple Airlines

Sun, 8 Nov - Sun, 15 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

$1,689Multiple Airlines

Tue, 2 Mar - Tue, 9 Mar

07:00 - 05:00BWI Baltimore/Washington-MEL Melbourne

31h 00m1 stop Dallas/Fort Worth

12:00 - 22:36MEL Melbourne-BWI Baltimore/Washington

26h 36m1 stop Dallas/Fort Worth

$1,739American Airlines

Sun, 25 Oct - Tue, 10 Nov

16:30 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 30m1 stop Houston George Bush Intcntl

11:50 - 21:05SYD Sydney Kingsford Smith-BWI Baltimore/Washington

25h 15m2 stops San Francisco Los Angeles

$1,745United Airlines

Mon, 9 Nov - Mon, 16 Nov

08:05 - 07:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 50m1 stop San Francisco

11:50 - 17:26SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 36m1 stop San Francisco

$1,746United Airlines

Sun, 18 Oct - Mon, 2 Nov

08:05 - 07:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 50m1 stop San Francisco

11:50 - 17:26SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 36m1 stop San Francisco

$1,749United Airlines

Sun, 18 Oct - Mon, 2 Nov

16:19 - 09:05BWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 46m2 stops Denver Intl Los Angeles

11:50 - 17:26SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 36m1 stop San Francisco

$1,752United Airlines

Tue, 10 Nov - Tue, 17 Nov

08:05 - 07:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 50m1 stop San Francisco

11:50 - 17:26SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 36m1 stop San Francisco

$1,753United Airlines

Sun, 18 Oct - Mon, 2 Nov

18:34 - 09:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 46m1 stop San Francisco

11:50 - 17:26SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 36m1 stop San Francisco

$1,763United Airlines

Sun, 25 Oct - Wed, 4 Nov

16:13 - 07:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 42m2 stops Denver Intl San Francisco

11:50 - 22:44SYD Sydney Kingsford Smith-BWI Baltimore/Washington

26h 54m2 stops San Francisco Houston George Bush Intcntl

$1,769United Airlines

Tue, 20 Oct - Tue, 3 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:41 - 06:50DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles

10:15 - 15:29SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 14m1 stop Los Angeles

$2,389Delta

Wed, 30 Sep - Mon, 12 Oct

16:41 - 06:50DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles

10:15 - 15:29SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 14m1 stop Los Angeles

$2,390Delta

Wed, 30 Sep - Mon, 12 Oct

08:05 - 06:55BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 50m1 stop San Francisco

19:20 - 06:41SYD Sydney Kingsford Smith-BWI Baltimore/Washington

50h 21m2 stops Auckland Intl Los Angeles

$2,392Air New Zealand

Tue, 29 Sep - Thu, 22 Oct

17:15 - 06:50IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

23h 35m2 stops Detroit Metropolitan Wayne County Los Angeles

10:15 - 23:26SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 11m2 stops Los Angeles Minneapolis St Paul

$2,396Delta

Wed, 30 Sep - Mon, 12 Oct

16:41 - 06:50DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles

10:15 - 22:04SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 49m2 stops Los Angeles Minneapolis St Paul

$2,396Delta

Wed, 30 Sep - Mon, 12 Oct

17:45 - 08:00IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

23h 15m1 stop Los Angeles

11:50 - 21:12SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

24h 22m2 stops Auckland Intl Los Angeles

$2,400Air New Zealand

Sat, 3 Oct - Sat, 31 Oct

19:00 - 07:55DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

21h 55m1 stop San Francisco

09:55 - 22:30SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

27h 35m2 stops Auckland Intl San Francisco

$2,400Air New Zealand

Sat, 3 Oct - Sat, 31 Oct

08:00 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

33h 00m1 stop Los Angeles

11:50 - 21:05SYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 15m2 stops Auckland Intl Los Angeles

$2,430Air New Zealand

Sat, 3 Oct - Sat, 31 Oct

16:41 - 06:50DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles

10:15 - 15:29SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 14m1 stop Los Angeles

$2,460Delta

Fri, 2 Oct - Mon, 12 Oct

16:41 - 06:50DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles

10:15 - 15:29SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 14m1 stop Los Angeles

$2,461Delta

Fri, 2 Oct - Mon, 12 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

9 Nov

BWI16:30Baltimore/Washington

22h 30m

1 stop

SYD07:00Sydney Kingsford Smith

16 Nov

SYD11:50Sydney Kingsford Smith

25h 15m

2 stops

BWI21:05Baltimore/Washington

$1,745

United Airlines

18 Oct

BWI08:05Baltimore/Washington

32h 50m

1 stop

SYD07:55Sydney Kingsford Smith

2 Nov

SYD11:50Sydney Kingsford Smith

21h 36m

1 stop

BWI17:26Baltimore/Washington

$1,746

United Airlines

18 Oct

BWI08:05Baltimore/Washington

32h 50m

1 stop

SYD07:55Sydney Kingsford Smith

2 Nov

SYD11:50Sydney Kingsford Smith

21h 36m

1 stop

BWI17:26Baltimore/Washington

$1,749

Air New Zealand flights from Washington, D.C. to Australia

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

Air New Zealand

23 Nov

IAD08:25Washington, D.C. Dulles Intl

36h 25m

2 stops

SYD12:50Sydney Kingsford Smith

7 Dec

SYD11:50Sydney Kingsford Smith

34h 39m

2 stops

IAD06:29Washington, D.C. Dulles Intl

$1,793

Air New Zealand

8 Dec

BWI08:00Baltimore/Washington

35h 00m

2 stops

BNE10:00Brisbane

2 Feb

BNE11:15Brisbane

44h 20m

2 stops

BWI16:35Baltimore/Washington

$1,809

Air New Zealand

26 Jan

IAD08:25Washington, D.C. Dulles Intl

32h 10m

2 stops

SYD08:35Sydney Kingsford Smith

17 Feb

SYD14:05Sydney Kingsford Smith

26h 45m

2 stops

IAD00:50Washington, D.C. Dulles Intl

$1,812

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

Sun 8/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Sun 15/11

11:20-17:12

2 stops45h 52m

$1,657

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 2/3

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Tue 9/3

11:20-17:11

2 stops45h 51m

$1,689

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Sun 25/10

07:00-05:00

1 stop31h 00m

Melbourne

Tue 10/11

12:00-22:36

1 stop26h 36m

$1,739

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 9/11

16:30-07:00

1 stop22h 30m

Sydney Kingsford Smith

Mon 16/11

11:50-21:05

2 stops25h 15m

$1,745

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 18/10

08:05-07:55

1 stop32h 50m

Sydney Kingsford Smith

Mon 2/11

11:50-17:26

1 stop21h 36m

$1,746

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 18/10

08:05-07:55

1 stop32h 50m

Sydney Kingsford Smith

Mon 2/11

11:50-17:26

1 stop21h 36m

$1,749

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 10/11

16:19-09:05

2 stops24h 46m

Sydney Kingsford Smith

Tue 17/11

11:50-17:26

1 stop21h 36m

$1,752

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 18/10

08:05-07:55

1 stop32h 50m

Sydney Kingsford Smith

Mon 2/11

11:50-17:26

1 stop21h 36m

$1,753

Fastest return journey

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 25/10

18:34-09:20

1 stop23h 46m

Sydney Kingsford Smith

Wed 4/11

11:50-17:26

1 stop21h 36m

$1,763

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 20/10

16:13-07:55

2 stops24h 42m

Sydney Kingsford Smith

Tue 3/11

11:50-22:44

2 stops26h 54m

$1,769

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 $1,961. 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 $1,980.

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 $2,309 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 $1,604 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	$816
Fastest flight time	21h 40m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $816. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,657.

The fastest flight from Washington, D.C. to Australia takes 21h 40m

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.