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

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 25h 56m.

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.

$811 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 - 05:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,680Multiple Airlines

Mon, 2 Nov - Mon, 9 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

$1,681Multiple Airlines

Fri, 16 Oct - Mon, 2 Nov

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

47h 05m2 stops Seattle/Tacoma Intl Vancouver Intl

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

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,695Multiple Airlines

Fri, 16 Oct - Sun, 1 Nov

17:31 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

48h 04m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 - 19:09SYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 49m2 stops Vancouver Intl Chicago O'Hare Intl

$1,729Air New Zealand

Sat, 14 Nov - Thu, 19 Nov

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

$1,740Multiple Airlines

Fri, 6 Nov - Fri, 13 Nov

17:31 - 09:35BWI Baltimore/Washington-SYD Sydney Kingsford Smith

48h 04m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 - 19:01SYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 41m2 stops Vancouver Intl Chicago O'Hare Intl

$1,742Air New Zealand

Sat, 14 Nov - Sat, 21 Nov

12:25 - 12:50BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 25m2 stops Houston George Bush Intcntl Auckland Intl

09:55 - 05:52SYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 57m2 stops Auckland Intl San Francisco

$1,770Air New Zealand

Tue, 9 Mar - Tue, 23 Mar

06:30 - 08:35IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 05m2 stops Houston George Bush Intcntl Auckland Intl

09:55 - 20:35SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 40m2 stops Auckland Intl Los Angeles

$1,770Air New Zealand

Sun, 28 Feb - Wed, 10 Mar

07:00 - 08:55DCA Washington, D.C. Reagan-National-MEL Melbourne

34h 55m3 stops Denver Intl Los Angeles Auckland Intl

10:20 - 12:09MEL Melbourne-DCA Washington, D.C. Reagan-National

41h 49m3 stops Auckland Intl Los Angeles Denver Intl

$1,774Multiple Airlines

Sun, 25 Oct - Tue, 10 Nov

07:00 - 08:55DCA Washington, D.C. Reagan-National-MEL Melbourne

34h 55m3 stops Denver Intl Los Angeles Auckland Intl

12:10 - 12:09MEL Melbourne-DCA Washington, D.C. Reagan-National

39h 59m3 stops Auckland Intl Los Angeles Denver Intl

$1,787Multiple Airlines

Sat, 31 Oct - Sat, 14 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

$2,301Delta

Mon, 28 Sep - Tue, 20 Oct

12:32 - 06:50DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 18m2 stops Detroit Metropolitan Wayne County Los Angeles

10:15 - 19:33SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

24h 18m2 stops Los Angeles Atlanta Hartsfield-Jackson

$2,308Delta

Mon, 28 Sep - Tue, 20 Oct

11:12 - 06:45IAD Washington, D.C. Dulles Intl-MEL Melbourne

29h 33m2 stops Orlando Los Angeles

09:45 - 00:10MEL Melbourne-IAD Washington, D.C. Dulles Intl

28h 25m2 stops Los Angeles Atlanta Hartsfield-Jackson

$2,317Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

12:30 - 07:50BWI Baltimore/Washington-MEL Melbourne

29h 20m2 stops Detroit Metropolitan Wayne County Los Angeles

11:00 - 23:23MEL Melbourne-BWI Baltimore/Washington

27h 23m2 stops Los Angeles Minneapolis St Paul

$2,353Delta

Mon, 28 Sep - Tue, 20 Oct

07:05 - 07:50BWI Baltimore/Washington-MEL Melbourne

58h 45m2 stops Atlanta Hartsfield-Jackson Los Angeles

11:00 - 23:04MEL Melbourne-BWI Baltimore/Washington

27h 04m2 stops Los Angeles Detroit Metropolitan Wayne County

$2,381Delta

Sun, 27 Sep - Wed, 14 Oct

17:40 - 07:50BWI Baltimore/Washington-MEL Melbourne

24h 10m2 stops Detroit Metropolitan Wayne County Los Angeles

11:00 - 23:23MEL Melbourne-BWI Baltimore/Washington

27h 23m2 stops Los Angeles Minneapolis St Paul

$2,424Delta

Fri, 25 Sep - Wed, 14 Oct

17:43 - 07:30BWI Baltimore/Washington-MEL Melbourne

23h 47m1 stop Los Angeles

12:10 - 22:34MEL Melbourne-BWI Baltimore/Washington

25h 24m2 stops Auckland Intl Houston George Bush Intcntl

$2,433Air New Zealand

Mon, 28 Sep - Wed, 14 Oct

17:45 - 07:30IAD Washington, D.C. Dulles Intl-MEL Melbourne

23h 45m1 stop Los Angeles

12:10 - 22:30MEL Melbourne-IAD Washington, D.C. Dulles Intl

25h 20m2 stops Auckland Intl Houston George Bush Intcntl

$2,433Air New Zealand

Mon, 28 Sep - Wed, 14 Oct

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

24h 09m1 stop Los Angeles

09:15 - 15:31SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 16m1 stop Los Angeles

$2,442Delta

Thu, 24 Sep - Sat, 3 Oct

17:35 - 06:50DCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 15m2 stops Detroit Metropolitan Wayne County Los Angeles

09:15 - 23:59SYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

28h 44m2 stops Los Angeles Minneapolis St Paul

$2,449Delta

Thu, 24 Sep - Sat, 3 Oct

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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

14 Nov

BWI17:31Baltimore/Washington

48h 04m

2 stops

SYD09:35Sydney Kingsford Smith

19 Nov

SYD11:20Sydney Kingsford Smith

23h 49m

2 stops

BWI19:09Baltimore/Washington

$1,729

Air New Zealand

14 Nov

BWI17:31Baltimore/Washington

48h 04m

2 stops

SYD09:35Sydney Kingsford Smith

21 Nov

SYD11:20Sydney Kingsford Smith

23h 41m

2 stops

BWI19:01Baltimore/Washington

$1,742

Air New Zealand

28 Feb

IAD06:30Washington, D.C. Dulles Intl

34h 05m

2 stops

SYD08:35Sydney Kingsford Smith

10 Mar

SYD09:55Sydney Kingsford Smith

26h 40m

2 stops

IAD20:35Washington, D.C. Dulles Intl

$1,770

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

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

Qantas Airways

26 Oct

BWI16:04Baltimore/Washington

23h 51m

1 stop

SYD06:55Sydney Kingsford Smith

9 Nov

SYD14:05Sydney Kingsford Smith

21h 12m

1 stop

BWI19:17Baltimore/Washington

$1,792

Qantas Airways

1 Feb

BWI16:59Baltimore/Washington

22h 31m

1 stop

BNE06:30Brisbane

17 Feb

BNE09:40Brisbane

22h 36m

1 stop

BWI17:16Baltimore/Washington

$1,823

Qantas Airways

26 Oct

BWI16:04Baltimore/Washington

23h 51m

1 stop

SYD06:55Sydney Kingsford Smith

9 Nov

SYD14:05Sydney Kingsford Smith

21h 12m

1 stop

BWI19:17Baltimore/Washington

$1,829

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 2/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Mon 9/11

11:20-05:40

2 stops34h 20m

$1,680

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

$1,681

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 16/10

18:15-08:20

2 stops47h 05m

Sydney Kingsford Smith

Sun 1/11

11:20-18:12

2 stops45h 52m

$1,695

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 14/11

17:31-09:35

2 stops48h 04m

Sydney Kingsford Smith

Thu 19/11

11:20-19:09

2 stops23h 49m

$1,729

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 6/11

07:02-09:35

2 stops34h 33m

Sydney Kingsford Smith

Fri 13/11

11:20-17:12

2 stops45h 52m

$1,740

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 14/11

17:31-09:35

2 stops48h 04m

Sydney Kingsford Smith

Sat 21/11

11:20-19:01

2 stops23h 41m

$1,742

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 9/3

12:25-12:50

2 stops32h 25m

Sydney Kingsford Smith

Tue 23/3

09:55-05:52

2 stops34h 57m

$1,770

Fastest return journey

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 28/2

06:30-08:35

2 stops34h 05m

Sydney Kingsford Smith

Wed 10/3

09:55-20:35

2 stops26h 40m

$1,770

Washington, D.C.Melbourne

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

DCAMEL

Washington, D.C. Reagan-National

Sun 25/10

07:00-08:55

3 stops34h 55m

Melbourne

Tue 10/11

10:20-12:09

3 stops41h 49m

$1,774

Washington, D.C.Melbourne

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

DCAMEL

Washington, D.C. Reagan-National

Sat 31/10

07:00-08:55

3 stops34h 55m

Melbourne

Sat 14/11

12:10-12:09

3 stops39h 59m

$1,787

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 $1,954. 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 $1,972.

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 $2,292 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 $1,583 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	$811
Fastest flight time	22h 05m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $811. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,680.

The fastest flight from Washington, D.C. to Australia takes 22h 05m

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.