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

Turkish Airlines, United Airlines, and Alaska 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 38m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 22h 55m.

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 March 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.

$698 Cheap Flights from Washington, D.C. to Australia in 2026

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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.

07:05 - 12:00

IAD

MEL

38h 55m

3 stops

13:30 - 10:12

MEL

IAD

34h 42m

3 stops

$1,452Multiple Airlines

Sat, 2 May - Sun, 10 May

06:00 - 07:05

DCA

BNE

35h 05m

2 stops

10:00 - 10:19

BNE

DCA

38h 19m

2 stops

$1,453Air Canada

Tue, 5 May - Tue, 12 May

22:10 - 07:05

IAD

BNE

42h 55m

2 stops

10:00 - 16:35

BNE

IAD

44h 35m

2 stops

$1,458Air Canada

Mon, 1 Jun - Mon, 8 Jun

11:07 - 12:00

IAD

MEL

34h 53m

3 stops

13:25 - 16:22

MEL

IAD

40h 57m

3 stops

$1,501Multiple Airlines

Tue, 12 May - Tue, 19 May

19:24 - 06:55

IAD

SYD

21h 31m

1 stop

12:00 - 22:47

SYD

IAD

24h 47m

1 stop

$1,657Qantas Airways

Wed, 27 May - Mon, 8 Jun

17:16 - 07:05

DCA

SYD

23h 49m

1 stop

12:00 - 19:13

SYD

DCA

21h 13m

1 stop

$1,657Qantas Airways

Thu, 28 May - Sun, 7 Jun

19:00 - 19:20

DCA

MEL

34h 20m

2 stops

07:30 - 22:56

MEL

DCA

29h 26m

2 stops

$1,812Fiji Airways

Sat, 25 Apr - Sat, 2 May

18:59 - 19:20

DCA

MEL

34h 21m

2 stops

07:30 - 23:00

MEL

DCA

29h 30m

2 stops

$1,826Fiji Airways

Sat, 29 Aug - Sat, 12 Sep

12:21 - 05:00

BWI

BNE

26h 39m

2 stops

20:35 - 11:11

BNE

BWI

28h 36m

2 stops

$1,883American Airlines

Wed, 22 Apr - Wed, 29 Apr

13:55 - 05:00

BWI

BNE

25h 05m

2 stops

20:35 - 09:26

BNE

BWI

26h 51m

2 stops

$2,027American Airlines

Wed, 1 Jul - Sun, 12 Jul

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

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

Turkish Airlines

10 May

IAD13:20Washington, D.C. Dulles Intl

39h 50m

2 stops

SYD19:10Sydney Kingsford Smith

19 May

SYD21:05Sydney Kingsford Smith

52h 30m

2 stops

IAD11:35Washington, D.C. Dulles Intl

$1,906

Turkish Airlines

10 May

IAD21:45Washington, D.C. Dulles Intl

31h 25m

2 stops

SYD19:10Sydney Kingsford Smith

19 May

SYD21:05Sydney Kingsford Smith

52h 30m

2 stops

IAD11:35Washington, D.C. Dulles Intl

$1,908

Turkish Airlines

10 May

IAD21:45Washington, D.C. Dulles Intl

31h 25m

2 stops

SYD19:10Sydney Kingsford Smith

19 May

SYD21:05Sydney Kingsford Smith

36h 45m

2 stops

IAD19:50Washington, D.C. Dulles Intl

$1,911

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 May

DCA17:16Washington, D.C. Reagan-National

23h 49m

1 stop

SYD07:05Sydney Kingsford Smith

7 June

SYD12:00Sydney Kingsford Smith

21h 13m

1 stop

DCA19:13Washington, D.C. Reagan-National

$1,655

Qantas Airways

27 May

IAD19:24Washington, D.C. Dulles Intl

21h 31m

1 stop

SYD06:55Sydney Kingsford Smith

8 June

SYD12:00Sydney Kingsford Smith

24h 47m

1 stop

IAD22:47Washington, D.C. Dulles Intl

$1,657

Qantas Airways

14 May

IAD17:59Washington, D.C. Dulles Intl

22h 56m

1 stop

SYD06:55Sydney Kingsford Smith

25 May

SYD12:00Sydney Kingsford Smith

24h 47m

1 stop

IAD22:47Washington, D.C. Dulles Intl

$1,658

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Sat 2/5

07:05-12:00

3 stops38h 55m

Melbourne

Sun 10/5

13:30-10:12

3 stops34h 42m

$1,452

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 5/5

06:00-07:05

2 stops35h 05m

Brisbane

Tue 12/5

10:00-10:19

2 stops38h 19m

$1,453

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 1/6

22:10-07:05

2 stops42h 55m

Brisbane

Mon 8/6

10:00-16:35

2 stops44h 35m

$1,458

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 12/5

11:07-12:00

3 stops34h 53m

Melbourne

Tue 19/5

13:25-16:22

3 stops40h 57m

$1,501

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 27/5

19:24-06:55

1 stop21h 31m

Sydney Kingsford Smith

Mon 8/6

12:00-22:47

1 stop24h 47m

$1,657

Fastest return journey

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 28/5

17:16-07:05

1 stop23h 49m

Sydney Kingsford Smith

Sun 7/6

12:00-19:13

1 stop21h 13m

$1,657

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sat 25/4

19:00-19:20

2 stops34h 20m

Melbourne

Sat 2/5

07:30-22:56

2 stops29h 26m

$1,812

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sat 29/8

18:59-19:20

2 stops34h 21m

Melbourne

Sat 12/9

07:30-23:00

2 stops29h 30m

$1,826

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 22/4

12:21-05:00

2 stops26h 39m

Brisbane

Wed 29/4

20:35-11:11

2 stops28h 36m

$1,883

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 1/7

13:55-05:00

2 stops25h 05m

Brisbane

Sun 12/7

20:35-09:26

2 stops26h 51m

$2,027

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, August 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 $1,628. If you don’t want to visit Australia in August, then you should wait until February to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,879.

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 $2,356 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 $951 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 26m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 26m

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 March 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 $1,883	Free cancellation	Rating 7.4 9,499 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.