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

Qantas Airways, United Airlines, and Delta 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 27m.

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 July 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.

$866 Cheap Flights from Washington, D.C. to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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.

13:49 - 05:00

DCA

MEL

25h 11m

1 stop

13:35 - 21:20

MEL

DCA

21h 45m

1 stop

$1,585Qantas Airways

Mon, 24 Aug - Wed, 9 Sep

11:05 - 22:25

IAD

SYD

45h 20m

3 stops

13:15 - 19:09

SYD

IAD

43h 54m

3 stops

$1,622Multiple Airlines

Tue, 1 Sep - Mon, 14 Sep

10:45 - 11:50

IAD

SYD

35h 05m

3 stops

13:15 - 19:09

SYD

IAD

43h 54m

3 stops

$1,624Multiple Airlines

Mon, 31 Aug - Wed, 16 Sep

15:55 - 05:00

BWI

MEL

23h 05m

1 stop

13:35 - 21:34

MEL

BWI

21h 59m

1 stop

$1,677American Airlines

Wed, 12 Aug - Wed, 19 Aug

15:03 - 07:00

BWI

SYD

25h 57m

2 stops

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,685United Airlines

Sun, 9 Aug - Wed, 19 Aug

06:40 - 06:55

BWI

SYD

34h 15m

1 stop

10:20 - 11:45

SYD

BWI

39h 25m

2 stops

$1,688United Airlines

Mon, 3 Aug - Mon, 17 Aug

15:55 - 05:00

BWI

MEL

23h 05m

1 stop

13:35 - 23:41

MEL

BWI

24h 06m

1 stop

$1,691American Airlines

Mon, 31 Aug - Mon, 7 Sep

12:57 - 08:35

DCA

SYD

27h 38m

2 stops

11:50 - 20:56

SYD

DCA

25h 06m

2 stops

$1,887Air New Zealand

Fri, 6 Nov - Sun, 22 Nov

15:10 - 15:50

IAD

MEL

34h 40m

1 stop

17:20 - 09:45

MEL

IAD

30h 25m

1 stop

$2,046Etihad Airways

Mon, 7 Sep - Wed, 16 Sep

15:10 - 15:50

IAD

MEL

34h 40m

1 stop

17:20 - 09:45

MEL

IAD

30h 25m

1 stop

$2,105Etihad Airways

Wed, 2 Sep - Fri, 25 Sep

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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

27 Oct

BWI11:30Baltimore/Washington

30h 05m

2 stops

SYD08:35Sydney Kingsford Smith

2 Nov

SYD14:05Sydney Kingsford Smith

31h 24m

2 stops

BWI05:29Baltimore/Washington

$1,743

Air New Zealand

6 Nov

DCA12:57Washington, D.C. Reagan-National

27h 38m

2 stops

SYD08:35Sydney Kingsford Smith

22 Nov

SYD11:50Sydney Kingsford Smith

25h 06m

2 stops

DCA20:56Washington, D.C. Reagan-National

$1,887

Air New Zealand

5 Jan

DCA14:50Washington, D.C. Reagan-National

25h 45m

2 stops

SYD08:35Sydney Kingsford Smith

9 Mar

SYD11:50Sydney Kingsford Smith

26h 03m

2 stops

DCA21:53Washington, D.C. Reagan-National

$2,046

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

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

Qantas Airways

24 Aug

DCA13:49Washington, D.C. Reagan-National

25h 11m

1 stop

MEL05:00Melbourne

9 Sept

MEL13:35Melbourne

21h 45m

1 stop

DCA21:20Washington, D.C. Reagan-National

$1,585

Qantas Airways

9 Sept

BWI15:57Baltimore/Washington

23h 03m

1 stop

MEL05:00Melbourne

16 Sept

MEL13:35Melbourne

21h 54m

1 stop

BWI21:29Baltimore/Washington

$1,654

Qantas Airways

26 July

BWI19:17Baltimore/Washington

21h 38m

1 stop

SYD06:55Sydney Kingsford Smith

10 Aug

SYD12:00Sydney Kingsford Smith

25h 41m

1 stop

BWI23:41Baltimore/Washington

$1,661

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Mon 24/8

13:49-05:00

1 stop25h 11m

Melbourne

Wed 9/9

13:35-21:20

1 stop21h 45m

$1,585

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 1/9

11:05-22:25

3 stops45h 20m

Sydney Kingsford Smith

Mon 14/9

13:15-19:09

3 stops43h 54m

$1,622

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 31/8

10:45-11:50

3 stops35h 05m

Sydney Kingsford Smith

Wed 16/9

13:15-19:09

3 stops43h 54m

$1,624

Fastest return journey

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 12/8

15:55-05:00

1 stop23h 05m

Melbourne

Wed 19/8

13:35-21:34

1 stop21h 59m

$1,677

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 9/8

15:03-07:00

2 stops25h 57m

Sydney Kingsford Smith

Wed 19/8

09:30-16:35

1 stop21h 05m

$1,685

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 3/8

06:40-06:55

1 stop34h 15m

Sydney Kingsford Smith

Mon 17/8

10:20-11:45

2 stops39h 25m

$1,688

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 31/8

15:55-05:00

1 stop23h 05m

Melbourne

Mon 7/9

13:35-23:41

1 stop24h 06m

$1,691

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 6/11

12:57-08:35

2 stops27h 38m

Sydney Kingsford Smith

Sun 22/11

11:50-20:56

2 stops25h 06m

$1,887

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Mon 7/9

15:10-15:50

1 stop34h 40m

Melbourne

Wed 16/9

17:20-09:45

1 stop30h 25m

$2,046

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 2/9

15:10-15:50

1 stop34h 40m

Melbourne

Fri 25/9

17:20-09:45

1 stop30h 25m

$2,105

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, May 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 $1,990. If you don’t want to visit Australia in May, then you should wait until April to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,992.

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 $2,325 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 $1,601 on momondo.

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

You could potentially save up to 2% 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 35m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 35m

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 July 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 $1,857	Free cancellation	Rating 7.4 10,013 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.