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

Qantas Airways, American Airlines, and Singapore 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 23h 05m.

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.

$768 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.

15:53 - 05:00

BWI

MEL

23h 07m

1 stop

13:35 - 23:43

MEL

BWI

24h 08m

1 stop

$1,494American Airlines

Mon, 17 Aug - Mon, 31 Aug

07:27 - 05:00

BWI

MEL

31h 33m

1 stop

13:35 - 23:43

MEL

BWI

24h 08m

1 stop

$1,505American Airlines

Wed, 24 Jun - Wed, 15 Jul

17:44 - 07:30

BWI

MEL

23h 46m

1 stop

10:55 - 21:29

MEL

BWI

24h 34m

2 stops

$1,509United Airlines

Fri, 14 Aug - Tue, 1 Sep

11:54 - 07:50

BWI

MEL

29h 56m

2 stops

10:00 - 21:26

MEL

BWI

25h 26m

2 stops

$1,517Delta

Mon, 22 Jun - Fri, 17 Jul

14:10 - 08:50

BWI

MEL

27h 40m

2 stops

12:00 - 00:11

MEL

BWI

28h 11m

2 stops

$1,520Delta

Sun, 18 Oct - Wed, 11 Nov

18:52 - 08:15

BWI

MEL

23h 23m

1 stop

09:30 - 16:35

MEL

BWI

21h 05m

1 stop

$1,522Air New Zealand

Thu, 13 Aug - Sun, 23 Aug

19:11 - 06:55

BWI

SYD

21h 44m

1 stop

12:00 - 23:44

SYD

BWI

25h 44m

1 stop

$1,745Qantas Airways

Mon, 8 Jun - Mon, 15 Jun

19:16 - 06:55

BWI

SYD

21h 39m

1 stop

12:00 - 19:29

SYD

BWI

21h 29m

1 stop

$1,807Qantas Airways

Tue, 4 Aug - Thu, 20 Aug

07:00 - 07:00

BWI

SYD

34h 00m

1 stop

09:30 - 17:43

SYD

BWI

22h 13m

1 stop

$1,860United Airlines

Sun, 7 Jun - Sun, 21 Jun

19:23 - 07:00

BWI

SYD

21h 37m

1 stop

09:30 - 16:35

SYD

BWI

21h 05m

1 stop

$1,869Air New Zealand

Sun, 26 Jul - Sun, 23 Aug

Air Canada flights from Washington, D.C. to Australia

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

Air Canada

4 July

IAD15:45Washington, D.C. Dulles Intl

25h 35m

2 stops

SYD07:20Sydney Kingsford Smith

19 July

SYD09:20Sydney Kingsford Smith

23h 41m

2 stops

IAD19:01Washington, D.C. Dulles Intl

$2,056

Air Canada

26 July

IAD15:45Washington, D.C. Dulles Intl

25h 35m

2 stops

SYD07:20Sydney Kingsford Smith

16 Aug

SYD09:20Sydney Kingsford Smith

23h 41m

2 stops

IAD19:01Washington, D.C. Dulles Intl

$2,063

Air Canada

22 Sept

IAD09:45Washington, D.C. Dulles Intl

31h 35m

2 stops

SYD07:20Sydney Kingsford Smith

4 Oct

SYD10:20Sydney Kingsford Smith

23h 40m

2 stops

IAD19:00Washington, D.C. Dulles Intl

$2,064

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

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

Qantas Airways

9 Aug

BWI19:20Baltimore/Washington

43h 40m

1 stop

MEL05:00Melbourne

19 Aug

MEL13:35Melbourne

22h 24m

1 stop

BWI21:59Baltimore/Washington

$1,542

Qantas Airways

19 Oct

BWI15:48Baltimore/Washington

22h 12m

1 stop

MEL05:00Melbourne

1 Nov

MEL12:00Melbourne

22h 17m

1 stop

BWI19:17Baltimore/Washington

$1,548

Qantas Airways

21 Oct

BWI15:48Baltimore/Washington

22h 12m

1 stop

MEL05:00Melbourne

1 Nov

MEL12:00Melbourne

22h 17m

1 stop

BWI19:17Baltimore/Washington

$1,580

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 17/8

15:53-05:00

1 stop23h 07m

Melbourne

Mon 31/8

13:35-23:43

1 stop24h 08m

$1,494

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 24/6

07:27-05:00

1 stop31h 33m

Melbourne

Wed 15/7

13:35-23:43

1 stop24h 08m

$1,505

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 14/8

17:44-07:30

1 stop23h 46m

Melbourne

Tue 1/9

10:55-21:29

2 stops24h 34m

$1,509

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 22/6

11:54-07:50

2 stops29h 56m

Melbourne

Fri 17/7

10:00-21:26

2 stops25h 26m

$1,517

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sun 18/10

14:10-08:50

2 stops27h 40m

Melbourne

Wed 11/11

12:00-00:11

2 stops28h 11m

$1,520

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 13/8

18:52-08:15

1 stop23h 23m

Melbourne

Sun 23/8

09:30-16:35

1 stop21h 05m

$1,522

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/6

19:11-06:55

1 stop21h 44m

Sydney Kingsford Smith

Mon 15/6

12:00-23:44

1 stop25h 44m

$1,745

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 4/8

19:16-06:55

1 stop21h 39m

Sydney Kingsford Smith

Thu 20/8

12:00-19:29

1 stop21h 29m

$1,807

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 7/6

07:00-07:00

1 stop34h 00m

Sydney Kingsford Smith

Sun 21/6

09:30-17:43

1 stop22h 13m

$1,860

Fastest return journey

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 26/7

19:23-07:00

1 stop21h 37m

Sydney Kingsford Smith

Sun 23/8

09:30-16:35

1 stop21h 05m

$1,869

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 $109. 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 $114.

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 $2,286 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 $1,085 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 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 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 $1,809	Free cancellation	Rating 7.4 9,749 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.