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 24h 02m.

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

United Airlines, Delta, and Alaska Airlines 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.

$808 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.

18:20 - 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

$1,512Multiple Airlines

Mon, 1 Feb - Mon, 15 Feb

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

$1,530Multiple Airlines

Wed, 21 Oct - Wed, 28 Oct

07:50 - 22:25IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

48h 35m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

14:15 - 10:17SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 02m3 stops Nadi Los Angeles Orlando

$1,558Multiple Airlines

Sun, 27 Sep - Wed, 7 Oct

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

44h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,564Multiple Airlines

Mon, 1 Mar - Mon, 15 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

$1,565Multiple Airlines

Thu, 11 Feb - Sun, 21 Feb

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

$1,585Multiple Airlines

Thu, 12 Nov - Sun, 22 Nov

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

34h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 - 06:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

58h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,597Multiple Airlines

Fri, 16 Oct - Sun, 1 Nov

11:52 - 09:30BWI Baltimore/Washington-MEL Melbourne

29h 38m2 stops Dallas/Fort Worth Los Angeles

22:45 - 10:57MEL Melbourne-BWI Baltimore/Washington

28h 12m2 stops Los Angeles Dallas/Fort Worth

$1,602American Airlines

Tue, 9 Feb - Tue, 16 Feb

18:50 - 09:15BWI Baltimore/Washington-MEL Melbourne

23h 25m1 stop San Francisco

12:45 - 23:08MEL Melbourne-BWI Baltimore/Washington

26h 23m2 stops San Francisco Denver Intl

$1,611United Airlines

Mon, 19 Oct - Wed, 4 Nov

18:15 - 08:20BWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 05m2 stops Seattle/Tacoma Intl Vancouver Intl

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

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,613Multiple Airlines

Fri, 16 Oct - Mon, 2 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:02 - 08:45IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

27h 43m2 stops Houston George Bush Intcntl Auckland Intl

19:20 - 00:30SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

43h 10m2 stops Auckland Intl Houston George Bush Intcntl

$1,924Air New Zealand

Fri, 4 Sep - Wed, 16 Sep

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

32h 36m1 stop Vancouver Intl

20:45 - 06:30BNE Brisbane-IAD Washington, D.C. Dulles Intl

47h 45m2 stops Sydney Kingsford Smith Vancouver Intl

$1,931Air Canada

Sun, 6 Sep - Tue, 15 Sep

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

31h 58m2 stops Calgary Vancouver Intl

20:45 - 20:25BNE Brisbane-IAD Washington, D.C. Dulles Intl

37h 40m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,937Air Canada

Sun, 6 Sep - Tue, 15 Sep

15:04 - 08:45BWI Baltimore/Washington-SYD Sydney Kingsford Smith

27h 41m2 stops Houston George Bush Intcntl Auckland Intl

19:20 - 16:28SYD Sydney Kingsford Smith-BWI Baltimore/Washington

59h 08m2 stops Auckland Intl Houston George Bush Intcntl

$1,938Air New Zealand

Fri, 4 Sep - Wed, 16 Sep

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

31h 58m2 stops Calgary Vancouver Intl

20:45 - 21:24BNE Brisbane-IAD Washington, D.C. Dulles Intl

38h 39m2 stops Sydney Kingsford Smith Toronto Pearson Intl

$1,940Air Canada

Sun, 6 Sep - Tue, 15 Sep

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

31h 58m2 stops Calgary Vancouver Intl

20:45 - 20:25BNE Brisbane-IAD Washington, D.C. Dulles Intl

37h 40m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,941Air Canada

Sun, 6 Sep - Tue, 15 Sep

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

31h 58m2 stops Calgary Vancouver Intl

20:45 - 20:25BNE Brisbane-IAD Washington, D.C. Dulles Intl

37h 40m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,943Air Canada

Sun, 6 Sep - Tue, 15 Sep

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

31h 58m2 stops Calgary Vancouver Intl

20:45 - 20:25BNE Brisbane-IAD Washington, D.C. Dulles Intl

37h 40m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,945Air Canada

Sun, 6 Sep - Tue, 15 Sep

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

32h 13m2 stops Calgary Vancouver Intl

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

35h 10m1 stop Vancouver Intl

$1,951Air Canada

Fri, 4 Sep - Wed, 16 Sep

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

32h 13m2 stops Calgary Vancouver Intl

09:20 - 00:44SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

29h 24m2 stops Vancouver Intl Chicago O'Hare Intl

$1,965Air Canada

Fri, 4 Sep - Tue, 15 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

28 Sept

BWI15:57Baltimore/Washington

24h 58m

1 stop

SYD06:55Sydney Kingsford Smith

5 Oct

SYD13:00Sydney Kingsford Smith

21h 26m

1 stop

BWI19:26Baltimore/Washington

$1,801

Qantas Airways

29 Sept

BWI15:57Baltimore/Washington

24h 58m

1 stop

SYD06:55Sydney Kingsford Smith

6 Oct

SYD13:00Sydney Kingsford Smith

21h 26m

1 stop

BWI19:26Baltimore/Washington

$1,810

Qantas Airways

14 Oct

BWI16:04Baltimore/Washington

23h 51m

1 stop

SYD06:55Sydney Kingsford Smith

26 Oct

SYD13:05Sydney Kingsford Smith

21h 21m

1 stop

BWI19:26Baltimore/Washington

$1,818

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

BWI11:52Baltimore/Washington

29h 38m

2 stops

MEL09:30Melbourne

16 Feb

MEL22:45Melbourne

28h 12m

2 stops

BWI10:57Baltimore/Washington

$1,602

American Airlines

28 Sept

BWI10:38Baltimore/Washington

28h 22m

2 stops

MEL05:00Melbourne

8 Oct

MEL09:45Melbourne

27h 32m

2 stops

BWI22:17Baltimore/Washington

$1,671

American Airlines

16 Oct

BWI11:55Baltimore/Washington

27h 05m

2 stops

BNE05:00Brisbane

23 Oct

BNE20:35Brisbane

28h 30m

2 stops

BWI11:05Baltimore/Washington

$1,810

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 1/2

18:20-09:35

2 stops47h 15m

Sydney Kingsford Smith

Mon 15/2

11:20-17:11

2 stops45h 51m

$1,512

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 21/10

07:02-08:20

2 stops34h 18m

Sydney Kingsford Smith

Wed 28/10

10:20-05:20

2 stops34h 00m

$1,530

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 27/9

07:50-22:25

3 stops48h 35m

Sydney Kingsford Smith

Wed 7/10

14:15-10:17

3 stops35h 02m

$1,558

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 1/3

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Mon 15/3

11:20-17:11

2 stops44h 51m

$1,564

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 11/2

18:11-09:35

2 stops47h 24m

Sydney Kingsford Smith

Sun 21/2

11:20-17:11

2 stops45h 51m

$1,565

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Thu 12/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Sun 22/11

11:20-05:40

2 stops34h 20m

$1,585

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 16/10

07:02-08:20

2 stops34h 18m

Sydney Kingsford Smith

Sun 1/11

11:20-06:40

2 stops58h 20m

$1,597

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Tue 9/2

11:52-09:30

2 stops29h 38m

Melbourne

Tue 16/2

22:45-10:57

2 stops28h 12m

$1,602

Fastest return journey

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 19/10

18:50-09:15

1 stop23h 25m

Melbourne

Wed 4/11

12:45-23:08

2 stops26h 23m

$1,611

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 16/10

18:15-08:20

2 stops47h 05m

Sydney Kingsford Smith

Mon 2/11

11:20-05:40

2 stops34h 20m

$1,613

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 $1,912. 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 $1,961.

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 $2,281 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 $1,680 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	$808
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 $808. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,512.

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.