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

Qantas Airways, American Airlines, and United Airlines 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 21h 33m 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 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 many operators does momondo search for flights from Washington, D.C. to Australia?

There is 1 operator available for flights from Washington, D.C. to Australia as of February 2026.

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.

$696 Cheap Flights from Washington, D.C. to Australia in 2026

1 adult

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Find the cheapest flights from Washington, D.C. to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:45 - 07:05

IAD

BNE

31h 20m

2 stops

10:00 - 06:22

BNE

IAD

34h 22m

1 stop

$1,419Air Canada

Tue, 19 May - Sun, 24 May

09:55 - 07:05

IAD

BNE

31h 10m

2 stops

10:00 - 20:37

BNE

IAD

24h 37m

2 stops

$1,422Air Canada

Mon, 30 Mar - Wed, 15 Apr

16:30 - 07:05

IAD

BNE

24h 35m

2 stops

20:40 - 21:25

BNE

IAD

38h 45m

3 stops

$1,463Multiple Airlines

Sun, 29 Mar - Sat, 11 Apr

09:00 - 11:00

IAD

BNE

36h 00m

3 stops

20:40 - 20:29

BNE

IAD

37h 49m

3 stops

$1,497Multiple Airlines

Sun, 29 Mar - Sat, 11 Apr

15:21 - 14:25

BWI

SYD

31h 04m

2 stops

19:15 - 18:13

SYD

BWI

37h 58m

2 stops

$1,710Qantas Airways

Sun, 1 Mar - Tue, 10 Mar

12:45 - 07:20

DCA

SYD

28h 35m

2 stops

09:20 - 12:01

SYD

DCA

40h 41m

2 stops

$1,741Air New Zealand

Mon, 11 May - Mon, 25 May

15:21 - 14:25

BWI

SYD

31h 04m

2 stops

19:15 - 14:32

SYD

BWI

34h 17m

2 stops

$1,747Qantas Airways

Wed, 4 Mar - Mon, 9 Mar

12:55 - 08:45

DCA

SYD

29h 50m

2 stops

09:55 - 23:59

SYD

DCA

28h 04m

2 stops

$1,753Air New Zealand

Wed, 3 Jun - Wed, 10 Jun

06:00 - 05:00

BWI

MEL

31h 00m

1 stop

16:05 - 22:59

MEL

BWI

22h 54m

1 stop

$1,785American Airlines

Sat, 28 Feb - Sat, 7 Mar

12:23 - 05:00

BWI

MEL

24h 37m

2 stops

12:00 - 22:00

MEL

BWI

25h 00m

2 stops

$1,790American Airlines

Sat, 7 Mar - Sun, 15 Mar

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

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

Qantas Airways

1 Mar

DCA15:59Washington, D.C. Reagan-National

23h 31m

1 stop

BNE06:30Brisbane

14 Mar

BNE08:40Brisbane

24h 02m

1 stop

DCA18:42Washington, D.C. Reagan-National

$1,686

Qantas Airways

1 Mar

BWI15:21Baltimore/Washington

31h 04m

2 stops

SYD14:25Sydney Kingsford Smith

10 Mar

SYD19:15Sydney Kingsford Smith

37h 58m

2 stops

BWI18:13Baltimore/Washington

$1,710

Qantas Airways

4 Mar

BWI15:21Baltimore/Washington

31h 04m

2 stops

SYD14:25Sydney Kingsford Smith

9 Mar

SYD19:15Sydney Kingsford Smith

34h 17m

2 stops

BWI14:32Baltimore/Washington

$1,747

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

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

Turkish Airlines

25 Feb

IAD21:15Washington, D.C. Dulles Intl

54h 05m

2 stops

SYD19:20Sydney Kingsford Smith

11 Mar

SYD21:15Sydney Kingsford Smith

54h 30m

2 stops

IAD12:45Washington, D.C. Dulles Intl

$1,848

Turkish Airlines

25 Feb

IAD21:15Washington, D.C. Dulles Intl

54h 05m

2 stops

SYD19:20Sydney Kingsford Smith

11 Mar

SYD21:15Sydney Kingsford Smith

38h 05m

2 stops

IAD20:20Washington, D.C. Dulles Intl

$1,850

Turkish Airlines

25 Feb

IAD21:15Washington, D.C. Dulles Intl

54h 05m

2 stops

SYD19:20Sydney Kingsford Smith

11 Mar

SYD21:15Sydney Kingsford Smith

38h 05m

2 stops

IAD20:20Washington, D.C. Dulles Intl

$1,851

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

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 19/5

09:45-07:05

2 stops31h 20m

Brisbane

Sun 24/5

10:00-06:22

1 stop34h 22m

$1,419

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 30/3

09:55-07:05

2 stops31h 10m

Brisbane

Wed 15/4

10:00-20:37

2 stops24h 37m

$1,422

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 29/3

16:30-07:05

2 stops24h 35m

Brisbane

Sat 11/4

20:40-21:25

3 stops38h 45m

$1,463

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 29/3

09:00-11:00

3 stops36h 00m

Brisbane

Sat 11/4

20:40-20:29

3 stops37h 49m

$1,497

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 1/3

15:21-14:25

2 stops31h 04m

Sydney Kingsford Smith

Tue 10/3

19:15-18:13

2 stops37h 58m

$1,710

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 11/5

12:45-07:20

2 stops28h 35m

Sydney Kingsford Smith

Mon 25/5

09:20-12:01

2 stops40h 41m

$1,741

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 4/3

15:21-14:25

2 stops31h 04m

Sydney Kingsford Smith

Mon 9/3

19:15-14:32

2 stops34h 17m

$1,747

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 3/6

12:55-08:45

2 stops29h 50m

Sydney Kingsford Smith

Wed 10/6

09:55-23:59

2 stops28h 04m

$1,753

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 28/2

06:00-05:00

1 stop31h 00m

Melbourne

Sat 7/3

16:05-22:59

1 stop22h 54m

$1,785

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 7/3

12:23-05:00

2 stops24h 37m

Melbourne

Sun 15/3

12:00-22:00

2 stops25h 00m

$1,790

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, June 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 $1,391. If you don’t want to visit Australia in June, then you should wait until August to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,457.

How far in advance should I book a flight 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 $2,095 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 $921 on momondo.

Can stopping save me money on Washington, D.C. to Australia flights?

You could potentially save up to 26% 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

Fastest flight time	21h 33m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 33m

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

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 many operators does momondo search for flights from Washington, D.C. to Australia?
There is 1 operator available for flights from Washington, D.C. to Australia as of February 2026.
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.

Best airlines flying from Washington, D.C. to Australia

Compare and see reviews for airlines that fly from Washington, D.C. to Australia with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,823	Free cancellation	Rating 7.4 9,283 reviews		Search United Airlines flights

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.