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

Turkish Airlines, Alaska 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 37m 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 33m.

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 April 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.

$702 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.

11:07 - 12:00

IAD

MEL

34h 53m

3 stops

13:30 - 08:12

MEL

IAD

32h 42m

3 stops

$1,540Multiple Airlines

Thu, 7 May - Thu, 28 May

17:16 - 07:30

DCA

SYD

24h 14m

1 stop

12:00 - 18:59

SYD

DCA

20h 59m

1 stop

$1,614Qantas Airways

Mon, 1 Jun - Sat, 25 Jul

21:45 - 19:10

IAD

SYD

31h 25m

2 stops

21:05 - 11:35

SYD

IAD

52h 30m

2 stops

$1,856Turkish Airlines

Wed, 22 Apr - Wed, 6 May

13:20 - 19:10

IAD

SYD

39h 50m

2 stops

21:05 - 11:35

SYD

IAD

52h 30m

2 stops

$1,888Turkish Airlines

Wed, 22 Apr - Wed, 6 May

09:10 - 07:05

IAD

BNE

31h 55m

2 stops

10:00 - 06:30

BNE

IAD

34h 30m

1 stop

$1,936Air Canada

Sun, 6 Sep - Tue, 15 Sep

09:10 - 07:05

IAD

BNE

31h 55m

2 stops

10:00 - 06:30

BNE

IAD

34h 30m

1 stop

$1,938Air Canada

Sun, 6 Sep - Tue, 15 Sep

07:50 - 07:30

BWI

SYD

33h 40m

2 stops

17:50 - 15:34

SYD

BWI

35h 44m

2 stops

$2,021Alaska Airlines

Wed, 26 Aug - Tue, 8 Sep

07:50 - 07:30

BWI

SYD

33h 40m

2 stops

18:50 - 17:11

SYD

BWI

37h 21m

2 stops

$2,055Alaska Airlines

Mon, 21 Sep - Tue, 13 Oct

15:03 - 08:15

BWI

MEL

27h 12m

2 stops

10:55 - 23:30

MEL

BWI

26h 35m

2 stops

$2,201United Airlines

Tue, 26 May - Tue, 2 Jun

12:47 - 07:30

BWI

MEL

28h 43m

2 stops

09:30 - 17:08

MEL

BWI

21h 38m

1 stop

$2,205United Airlines

Fri, 8 May - Fri, 15 May

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 June

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

24h 14m

1 stop

SYD07:30Sydney Kingsford Smith

23 July

SYD12:00Sydney Kingsford Smith

23h 30m

1 stop

DCA21:30Washington, D.C. Reagan-National

$1,614

Qantas Airways

21 Aug

DCA17:30Washington, D.C. Reagan-National

23h 35m

1 stop

SYD07:05Sydney Kingsford Smith

28 Aug

SYD12:00Sydney Kingsford Smith

21h 13m

1 stop

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

$1,634

Qantas Airways

8 Sept

IAD18:41Washington, D.C. Dulles Intl

22h 14m

1 stop

SYD06:55Sydney Kingsford Smith

30 Sept

SYD12:00Sydney Kingsford Smith

24h 47m

1 stop

IAD22:47Washington, D.C. Dulles Intl

$1,637

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

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

Turkish Airlines

22 Apr

IAD21:45Washington, D.C. Dulles Intl

31h 25m

2 stops

SYD19:10Sydney Kingsford Smith

6 May

SYD21:05Sydney Kingsford Smith

52h 30m

2 stops

IAD11:35Washington, D.C. Dulles Intl

$1,856

Turkish Airlines

22 Apr

IAD13:20Washington, D.C. Dulles Intl

39h 50m

2 stops

SYD19:10Sydney Kingsford Smith

6 May

SYD21:05Sydney Kingsford Smith

52h 30m

2 stops

IAD11:35Washington, D.C. Dulles Intl

$1,888

Turkish Airlines

1 Sept

IAD13:20Washington, D.C. Dulles Intl

39h 50m

2 stops

SYD19:10Sydney Kingsford Smith

18 Dec

SYD21:45Sydney Kingsford Smith

54h 00m

2 stops

IAD11:45Washington, D.C. Dulles Intl

$1,898

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Thu 7/5

11:07-12:00

3 stops34h 53m

Melbourne

Thu 28/5

13:30-08:12

3 stops32h 42m

$1,540

Fastest return journey

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 1/6

17:16-07:30

1 stop24h 14m

Sydney Kingsford Smith

Sat 25/7

12:00-18:59

1 stop20h 59m

$1,614

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 22/4

21:45-19:10

2 stops31h 25m

Sydney Kingsford Smith

Wed 6/5

21:05-11:35

2 stops52h 30m

$1,856

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 22/4

13:20-19:10

2 stops39h 50m

Sydney Kingsford Smith

Wed 6/5

21:05-11:35

2 stops52h 30m

$1,888

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 6/9

09:10-07:05

2 stops31h 55m

Brisbane

Tue 15/9

10:00-06:30

1 stop34h 30m

$1,936

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 6/9

09:10-07:05

2 stops31h 55m

Brisbane

Tue 15/9

10:00-06:30

1 stop34h 30m

$1,938

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 26/8

07:50-07:30

2 stops33h 40m

Sydney Kingsford Smith

Tue 8/9

17:50-15:34

2 stops35h 44m

$2,021

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 21/9

07:50-07:30

2 stops33h 40m

Sydney Kingsford Smith

Tue 13/10

18:50-17:11

2 stops37h 21m

$2,055

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 26/5

15:03-08:15

2 stops27h 12m

Melbourne

Tue 2/6

10:55-23:30

2 stops26h 35m

$2,201

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 8/5

12:47-07:30

2 stops28h 43m

Melbourne

Fri 15/5

09:30-17:08

1 stop21h 38m

$2,205

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, February 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 $1,830. If you don’t want to visit Australia in February, then you should wait until April to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,835.

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 $2,277 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 $1,072 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 31m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 31m

There are no direct flights from Washington, D.C. to Australia. There are no popular flight routes from Washington, D.C. to Australia.

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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 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 April 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 $1,834	Free cancellation	Rating 7.4 9,574 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.