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 30m.

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

American Airlines, Singapore Airlines, and United Airlines 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 May 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.

$805 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.

11:59 - 05:00

BWI

MEL

27h 01m

1 stop

13:35 - 21:59

MEL

BWI

22h 24m

1 stop

$1,495American Airlines

Mon, 3 Aug - Wed, 12 Aug

13:54 - 05:00

BWI

MEL

25h 06m

2 stops

09:45 - 19:50

MEL

BWI

24h 05m

2 stops

$1,502American Airlines

Mon, 3 Aug - Wed, 12 Aug

19:21 - 07:30

BWI

MEL

22h 09m

1 stop

10:55 - 17:57

MEL

BWI

21h 02m

1 stop

$1,510Air New Zealand

Mon, 8 Jun - Fri, 19 Jun

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 17:57

MEL

BWI

21h 02m

1 stop

$1,511United Airlines

Thu, 28 May - Fri, 5 Jun

10:06 - 06:45

BWI

MEL

30h 39m

2 stops

13:35 - 11:09

MEL

BWI

35h 34m

1 stop

$1,513American Airlines

Fri, 3 Jul - Sat, 11 Jul

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 00:33

MEL

BWI

27h 38m

2 stops

$1,516Multiple Airlines

Mon, 1 Jun - Fri, 12 Jun

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 00:33

MEL

BWI

27h 38m

2 stops

$1,517United Airlines

Fri, 12 Jun - Mon, 22 Jun

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 07:10

MEL

BWI

34h 15m

1 stop

$1,524Multiple Airlines

Mon, 1 Jun - Fri, 12 Jun

07:00 - 07:50

BWI

MEL

34h 50m

2 stops

10:00 - 05:49

MEL

BWI

33h 49m

2 stops

$1,528Delta

Fri, 26 Jun - Fri, 3 Jul

18:59 - 06:55

BWI

SYD

21h 56m

1 stop

10:20 - 17:40

SYD

BWI

21h 20m

1 stop

$1,603Air New Zealand

Sun, 2 Aug - Sun, 16 Aug

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

22 May

BWI19:21Baltimore/Washington

22h 09m

1 stop

MEL07:30Melbourne

2 June

MEL10:55Melbourne

21h 02m

1 stop

BWI17:57Baltimore/Washington

$1,510

Air New Zealand

26 July

BWI18:59Baltimore/Washington

21h 56m

1 stop

SYD06:55Sydney Kingsford Smith

23 Aug

SYD09:30Sydney Kingsford Smith

21h 05m

1 stop

BWI16:35Baltimore/Washington

$1,603

Air New Zealand

14 June

BWI10:40Baltimore/Washington

30h 15m

2 stops

SYD06:55Sydney Kingsford Smith

30 June

SYD09:30Sydney Kingsford Smith

28h 58m

2 stops

BWI00:28Baltimore/Washington

$1,609

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

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

United Airlines

28 May

BWI18:59Baltimore/Washington

23h 16m

1 stop

MEL08:15Melbourne

5 June

MEL10:55Melbourne

21h 02m

1 stop

BWI17:57Baltimore/Washington

$1,511

United Airlines

12 June

BWI18:59Baltimore/Washington

23h 16m

1 stop

MEL08:15Melbourne

22 June

MEL10:55Melbourne

27h 38m

2 stops

BWI00:33Baltimore/Washington

$1,517

United Airlines

12 June

BWI18:59Baltimore/Washington

23h 16m

1 stop

MEL08:15Melbourne

22 June

MEL10:55Melbourne

34h 15m

1 stop

BWI07:10Baltimore/Washington

$1,525

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 3/8

11:59-05:00

1 stop27h 01m

Melbourne

Wed 12/8

13:35-21:59

1 stop22h 24m

$1,495

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 3/8

13:54-05:00

2 stops25h 06m

Melbourne

Wed 12/8

09:45-19:50

2 stops24h 05m

$1,502

Fastest return journey

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 8/6

19:21-07:30

1 stop22h 09m

Melbourne

Fri 19/6

10:55-17:57

1 stop21h 02m

$1,510

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 28/5

18:59-08:15

1 stop23h 16m

Melbourne

Fri 5/6

10:55-17:57

1 stop21h 02m

$1,511

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 3/7

10:06-06:45

2 stops30h 39m

Melbourne

Sat 11/7

13:35-11:09

1 stop35h 34m

$1,513

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 1/6

18:59-08:15

1 stop23h 16m

Melbourne

Fri 12/6

10:55-00:33

2 stops27h 38m

$1,516

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 12/6

18:59-08:15

1 stop23h 16m

Melbourne

Mon 22/6

10:55-00:33

2 stops27h 38m

$1,517

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 1/6

18:59-08:15

1 stop23h 16m

Melbourne

Fri 12/6

10:55-07:10

1 stop34h 15m

$1,524

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 26/6

07:00-07:50

2 stops34h 50m

Melbourne

Fri 3/7

10:00-05:49

2 stops33h 49m

$1,528

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 2/8

18:59-06:55

1 stop21h 56m

Sydney Kingsford Smith

Sun 16/8

10:20-17:40

1 stop21h 20m

$1,603

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 $108. 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 $113.

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 $2,241 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 $1,047 on momondo.

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

You could potentially save up to 12% 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 May 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 $1,792	Free cancellation	Rating 7.4 9,718 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.