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 23h 15m.

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

American Airlines, United Airlines, and Delta are the most popular carriers operating 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 June 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.

$836 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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:53 - 06:45

BWI

MEL

25h 52m

2 stops

09:45 - 19:26

MEL

BWI

24h 41m

2 stops

$1,546American Airlines

Sun, 4 Oct - Sun, 18 Oct

11:59 - 06:45

BWI

MEL

28h 46m

2 stops

13:35 - 21:29

MEL

BWI

21h 54m

1 stop

$1,549American Airlines

Sun, 13 Sep - Sat, 26 Sep

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 21:29

MEL

BWI

24h 34m

2 stops

$1,553Multiple Airlines

Sat, 8 Aug - Sat, 29 Aug

19:23 - 07:30

BWI

MEL

22h 07m

1 stop

09:30 - 16:35

MEL

BWI

21h 05m

1 stop

$1,555Air New Zealand

Wed, 5 Aug - Sun, 16 Aug

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 17:57

MEL

BWI

21h 02m

1 stop

$1,556United Airlines

Tue, 30 Jun - Tue, 7 Jul

19:23 - 07:30

BWI

MEL

22h 07m

1 stop

10:55 - 09:27

MEL

BWI

36h 32m

2 stops

$1,560Air New Zealand

Wed, 1 Jul - Tue, 28 Jul

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 00:28

MEL

BWI

27h 33m

2 stops

$1,562United Airlines

Tue, 30 Jun - Tue, 7 Jul

19:23 - 07:30

BWI

MEL

22h 07m

1 stop

19:00 - 17:46

MEL

BWI

36h 46m

2 stops

$1,572Multiple Airlines

Mon, 10 Aug - Mon, 17 Aug

18:57 - 06:45

DCA

MEL

44h 48m

2 stops

23:15 - 17:57

MEL

DCA

33h 42m

2 stops

$1,830Alaska Airlines

Tue, 20 Oct - Tue, 27 Oct

07:00 - 06:45

IAD

MEL

33h 45m

2 stops

09:45 - 05:40

MEL

IAD

33h 55m

2 stops

$1,831Alaska Airlines

Wed, 9 Sep - Wed, 16 Sep

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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

19 June

BWI19:21Baltimore/Washington

22h 09m

1 stop

MEL07:30Melbourne

3 July

MEL09:30Melbourne

23h 04m

1 stop

BWI18:34Baltimore/Washington

$1,545

United Airlines

30 June

BWI18:59Baltimore/Washington

23h 16m

1 stop

MEL08:15Melbourne

7 July

MEL10:55Melbourne

21h 02m

1 stop

BWI17:57Baltimore/Washington

$1,556

United Airlines

30 June

BWI08:30Baltimore/Washington

33h 45m

2 stops

MEL08:15Melbourne

7 July

MEL10:55Melbourne

27h 33m

2 stops

BWI00:28Baltimore/Washington

$1,562

Delta flights from Washington, D.C. to Australia

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

Delta

5 Oct

BWI06:05Baltimore/Washington

35h 45m

2 stops

MEL08:50Melbourne

20 Oct

MEL11:00Melbourne

26h 37m

2 stops

BWI22:37Baltimore/Washington

$1,573

Delta

5 Oct

BWI06:00Baltimore/Washington

35h 50m

2 stops

MEL08:50Melbourne

21 Oct

MEL11:00Melbourne

28h 26m

2 stops

BWI00:26Baltimore/Washington

$1,575

Delta

10 Oct

BWI18:10Baltimore/Washington

47h 40m

2 stops

MEL08:50Melbourne

31 Oct

MEL11:00Melbourne

26h 55m

2 stops

BWI22:55Baltimore/Washington

$1,590

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sun 4/10

13:53-06:45

2 stops25h 52m

Melbourne

Sun 18/10

09:45-19:26

2 stops24h 41m

$1,546

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sun 13/9

11:59-06:45

2 stops28h 46m

Melbourne

Sat 26/9

13:35-21:29

1 stop21h 54m

$1,549

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 8/8

18:59-08:15

1 stop23h 16m

Melbourne

Sat 29/8

10:55-21:29

2 stops24h 34m

$1,553

Fastest return journey

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 5/8

19:23-07:30

1 stop22h 07m

Melbourne

Sun 16/8

09:30-16:35

1 stop21h 05m

$1,555

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 30/6

18:59-08:15

1 stop23h 16m

Melbourne

Tue 7/7

10:55-17:57

1 stop21h 02m

$1,556

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 1/7

19:23-07:30

1 stop22h 07m

Melbourne

Tue 28/7

10:55-09:27

2 stops36h 32m

$1,560

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 30/6

18:59-08:15

1 stop23h 16m

Melbourne

Tue 7/7

10:55-00:28

2 stops27h 33m

$1,562

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 10/8

19:23-07:30

1 stop22h 07m

Melbourne

Mon 17/8

19:00-17:46

2 stops36h 46m

$1,572

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 20/10

18:57-06:45

2 stops44h 48m

Melbourne

Tue 27/10

23:15-17:57

2 stops33h 42m

$1,830

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Wed 9/9

07:00-06:45

2 stops33h 45m

Melbourne

Wed 16/9

09:45-05:40

2 stops33h 55m

$1,831

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 $111. If you don’t want to visit Australia in August, then you should wait until September to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $117.

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 $2,347 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 $1,011 on momondo.

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

You could potentially save up to 1% 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 37m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 37m

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 June 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 $1,652	Free cancellation	Rating 7.4 9,805 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.