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

American 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 12m.

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.

$826 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.

11:12 - 10:35IAD Washington, D.C. Dulles Intl-BNE Brisbane

33h 23m3 stops Orlando Los Angeles Los Angeles Nadi

11:50 - 00:10BNE Brisbane-IAD Washington, D.C. Dulles Intl

50h 20m3 stops Nadi Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,460Multiple Airlines

Wed, 23 Sep - Mon, 28 Sep

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

34h 38m3 stops Orlando Los Angeles Los Angeles Nadi

06:15 - 10:27SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

42h 12m3 stops Nadi Los Angeles Los Angeles Orlando

$1,460Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

07:00 - 10:35DCA Washington, D.C. Reagan-National-BNE Brisbane

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

11:50 - 16:59BNE Brisbane-DCA Washington, D.C. Reagan-National

43h 09m3 stops Nadi Los Angeles Los Angeles Denver Intl

$1,460Multiple Airlines

Wed, 23 Sep - Mon, 28 Sep

10:27 - 12:00IAD Washington, D.C. Dulles Intl-MEL Melbourne

35h 33m3 stops Orlando Los Angeles Los Angeles Nadi

13:30 - 06:20MEL Melbourne-IAD Washington, D.C. Dulles Intl

54h 50m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,518Multiple Airlines

Fri, 18 Sep - Fri, 25 Sep

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

45h 13m3 stops Orlando Los Angeles Los Angeles Nadi

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

35h 02m3 stops Nadi Los Angeles Los Angeles Orlando

$1,520Multiple Airlines

Thu, 10 Sep - Tue, 6 Oct

07:50 - 10:25IAD Washington, D.C. Dulles Intl-BNE Brisbane

36h 35m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi

11:50 - 06:20BNE Brisbane-IAD Washington, D.C. Dulles Intl

32h 30m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,537Multiple Airlines

Sat, 19 Sep - Sat, 26 Sep

11:12 - 12:00IAD Washington, D.C. Dulles Intl-MEL Melbourne

34h 48m3 stops Orlando Los Angeles Los Angeles Nadi

13:20 - 10:17MEL Melbourne-IAD Washington, D.C. Dulles Intl

34h 57m3 stops Nadi Los Angeles Los Angeles Orlando

$1,549Multiple Airlines

Wed, 16 Sep - Mon, 28 Sep

10:27 - 10:35IAD Washington, D.C. Dulles Intl-BNE Brisbane

34h 08m3 stops Orlando Los Angeles Los Angeles Nadi

11:35 - 06:20BNE Brisbane-IAD Washington, D.C. Dulles Intl

56h 45m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,549Multiple Airlines

Fri, 18 Sep - Fri, 25 Sep

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

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

14:00 - 06:20SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

55h 20m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,556Multiple Airlines

Sun, 27 Sep - Sun, 25 Oct

10:27 - 12:00IAD Washington, D.C. Dulles Intl-MEL Melbourne

35h 33m3 stops Orlando Los Angeles Los Angeles Nadi

13:30 - 06:20MEL Melbourne-IAD Washington, D.C. Dulles Intl

54h 50m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,576Multiple Airlines

Fri, 18 Sep - Fri, 25 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:00 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 00m1 stop Los Angeles Los Angeles

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

21h 05m1 stop Los Angeles Los Angeles

$1,717United Airlines

Sun, 23 Aug - Sun, 6 Sep

09:00 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 00m1 stop Los Angeles Los Angeles

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

21h 05m1 stop Los Angeles Los Angeles

$1,719United Airlines

Sun, 23 Aug - Sun, 6 Sep

09:00 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 00m1 stop Los Angeles Los Angeles

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

21h 05m1 stop Los Angeles Los Angeles

$1,721United Airlines

Sun, 23 Aug - Sun, 6 Sep

13:13 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

27h 47m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

10:20 - 17:40SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 20m1 stop San Francisco

$1,726United Airlines

Sun, 23 Aug - Sun, 6 Sep

17:44 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles Los Angeles

11:20 - 17:34SYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 14m1 stop San Francisco

$1,731United Airlines

Sun, 23 Aug - Wed, 14 Oct

13:13 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

27h 47m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

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

35h 45m2 stops Los Angeles Los Angeles San Francisco

$1,736United Airlines

Sun, 23 Aug - Sun, 20 Sep

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

32h 25m2 stops Denver Intl San Francisco

09:30 - 23:00SYD Sydney Kingsford Smith-BWI Baltimore/Washington

27h 30m2 stops Los Angeles Los Angeles Chicago O'Hare Intl

$1,738United Airlines

Sun, 23 Aug - Mon, 31 Aug

08:20 - 08:45IAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 25m2 stops Los Angeles Los Angeles Auckland Intl

11:55 - 00:41SYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

27h 46m2 stops Auckland Intl Los Angeles Los Angeles

$1,746Air New Zealand

Sun, 23 Aug - Wed, 14 Oct

17:44 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles Los Angeles

11:20 - 11:56SYD Sydney Kingsford Smith-BWI Baltimore/Washington

39h 36m2 stops San Francisco Houston George Bush Intcntl

$1,754United Airlines

Sun, 23 Aug - Wed, 14 Oct

17:44 - 07:00BWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles Los Angeles

11:20 - 11:56SYD Sydney Kingsford Smith-BWI Baltimore/Washington

39h 36m2 stops San Francisco Houston George Bush Intcntl

$1,756United Airlines

Sun, 23 Aug - Wed, 14 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

23 Aug

BWI09:00Baltimore/Washington

32h 00m

1 stop

SYD07:00Sydney Kingsford Smith

6 Sept

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,717

United Airlines

23 Aug

BWI09:00Baltimore/Washington

32h 00m

1 stop

SYD07:00Sydney Kingsford Smith

6 Sept

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,719

United Airlines

23 Aug

BWI09:00Baltimore/Washington

32h 00m

1 stop

SYD07:00Sydney Kingsford Smith

6 Sept

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,721

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

1 Nov

BWI06:10Baltimore/Washington

35h 25m

2 stops

SYD09:35Sydney Kingsford Smith

30 Nov

SYD11:20Sydney Kingsford Smith

39h 14m

2 stops

BWI10:34Baltimore/Washington

$1,676

Air New Zealand

1 Nov

BWI06:10Baltimore/Washington

35h 25m

2 stops

SYD09:35Sydney Kingsford Smith

7 Nov

SYD11:20Sydney Kingsford Smith

39h 09m

2 stops

BWI10:29Baltimore/Washington

$1,729

Air New Zealand

16 Nov

IAD09:00Washington, D.C. Dulles Intl

33h 35m

2 stops

SYD10:35Sydney Kingsford Smith

2 Dec

SYD11:50Sydney Kingsford Smith

24h 45m

2 stops

IAD20:35Washington, D.C. Dulles Intl

$1,745

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

Washington, D.C.Brisbane

IAD Washington, D.C. Dulles Intl - BNE Brisbane

IADBNE

Washington, D.C. Dulles Intl

Wed 23/9

11:12-10:35

3 stops33h 23m

Brisbane

Mon 28/9

11:50-00:10

3 stops50h 20m

$1,460

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 16/9

11:12-11:50

3 stops34h 38m

Sydney Kingsford Smith

Wed 23/9

06:15-10:27

3 stops42h 12m

$1,460

Washington, D.C.Brisbane

DCA Washington, D.C. Reagan-National - BNE Brisbane

DCABNE

Washington, D.C. Reagan-National

Wed 23/9

07:00-10:35

3 stops37h 35m

Brisbane

Mon 28/9

11:50-16:59

3 stops43h 09m

$1,460

Washington, D.C.Melbourne

IAD Washington, D.C. Dulles Intl - MEL Melbourne

IADMEL

Washington, D.C. Dulles Intl

Fri 18/9

10:27-12:00

3 stops35h 33m

Melbourne

Fri 25/9

13:30-06:20

3 stops54h 50m

$1,518

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Thu 10/9

11:12-22:25

3 stops45h 13m

Sydney Kingsford Smith

Tue 6/10

14:15-10:17

3 stops35h 02m

$1,520

Fastest return journey

Washington, D.C.Brisbane

IAD Washington, D.C. Dulles Intl - BNE Brisbane

IADBNE

Washington, D.C. Dulles Intl

Sat 19/9

07:50-10:25

3 stops36h 35m

Brisbane

Sat 26/9

11:50-06:20

3 stops32h 30m

$1,537

Washington, D.C.Melbourne

IAD Washington, D.C. Dulles Intl - MEL Melbourne

IADMEL

Washington, D.C. Dulles Intl

Wed 16/9

11:12-12:00

3 stops34h 48m

Melbourne

Mon 28/9

13:20-10:17

3 stops34h 57m

$1,549

Washington, D.C.Brisbane

IAD Washington, D.C. Dulles Intl - BNE Brisbane

IADBNE

Washington, D.C. Dulles Intl

Fri 18/9

10:27-10:35

3 stops34h 08m

Brisbane

Fri 25/9

11:35-06:20

3 stops56h 45m

$1,549

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

Sun 25/10

14:00-06:20

3 stops55h 20m

$1,556

Washington, D.C.Melbourne

IAD Washington, D.C. Dulles Intl - MEL Melbourne

IADMEL

Washington, D.C. Dulles Intl

Fri 18/9

10:27-12:00

3 stops35h 33m

Melbourne

Fri 25/9

13:30-06:20

3 stops54h 50m

$1,576

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 $1,911. 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 $1,951.

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 $2,282 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 $1,743 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	$826
Fastest flight time	21h 38m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $826. The best return flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,460.

The fastest flight from Washington, D.C. to Australia takes 21h 38m

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.