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 39m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 24h 32m.

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

Qantas Airways, United Airlines, and Alaska 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 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.

$775 Cheap Flights from Washington, D.C. to Australia in 2026

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 - 22:59

MEL

BWI

23h 24m

1 stop

$1,515American Airlines

Mon, 14 Sep - Mon, 28 Sep

06:02 - 05:00

BWI

MEL

30h 58m

1 stop

12:00 - 22:54

MEL

BWI

26h 54m

1 stop

$1,516American Airlines

Thu, 19 Nov - Sat, 5 Dec

15:03 - 07:30

BWI

MEL

26h 27m

2 stops

09:30 - 22:45

MEL

BWI

27h 15m

2 stops

$1,521United Airlines

Mon, 15 Jun - Wed, 1 Jul

19:23 - 07:30

BWI

MEL

22h 07m

1 stop

09:30 - 16:35

MEL

BWI

21h 05m

1 stop

$1,529Air New Zealand

Mon, 27 Jul - Wed, 19 Aug

18:59 - 07:30

BWI

MEL

22h 31m

1 stop

09:30 - 16:35

MEL

BWI

21h 05m

1 stop

$1,530United Airlines

Fri, 31 Jul - Wed, 19 Aug

13:00 - 07:30

BWI

MEL

28h 30m

2 stops

09:30 - 16:35

MEL

BWI

21h 05m

1 stop

$1,536Air New Zealand

Wed, 12 Aug - Wed, 19 Aug

18:59 - 08:15

BWI

MEL

23h 16m

1 stop

10:55 - 07:15

MEL

BWI

34h 20m

1 stop

$1,543Multiple Airlines

Mon, 27 Jul - Mon, 17 Aug

16:22 - 20:20

BWI

AVV

37h 58m

3 stops

06:00 - 17:46

AVV

BWI

25h 46m

2 stops

$1,568Multiple Airlines

Sat, 15 Aug - Sun, 23 Aug

09:45 - 07:20

IAD

SYD

31h 35m

2 stops

10:20 - 19:00

SYD

IAD

23h 40m

2 stops

$1,811Air Canada

Tue, 22 Sep - Sun, 4 Oct

09:07 - 07:20

IAD

SYD

32h 13m

2 stops

10:20 - 07:43

SYD

IAD

36h 23m

2 stops

$1,815Air Canada

Tue, 22 Sep - Tue, 6 Oct

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

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

Fiji Airways

22 Aug

DCA18:58Washington, D.C. Reagan-National

26h 52m

2 stops

SYD11:50Sydney Kingsford Smith

29 Aug

SYD13:15Sydney Kingsford Smith

23h 43m

2 stops

DCA22:58Washington, D.C. Reagan-National

$2,083

Fiji Airways

22 Aug

DCA18:58Washington, D.C. Reagan-National

26h 52m

2 stops

SYD11:50Sydney Kingsford Smith

29 Aug

SYD13:15Sydney Kingsford Smith

23h 43m

2 stops

DCA22:58Washington, D.C. Reagan-National

$2,084

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

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

American Airlines

14 Sept

BWI11:59Baltimore/Washington

27h 01m

1 stop

MEL05:00Melbourne

28 Sept

MEL13:35Melbourne

23h 24m

1 stop

BWI22:59Baltimore/Washington

$1,515

American Airlines

19 Nov

BWI06:02Baltimore/Washington

30h 58m

1 stop

MEL05:00Melbourne

5 Dec

MEL12:00Melbourne

26h 54m

1 stop

BWI22:54Baltimore/Washington

$1,516

American Airlines

19 Nov

BWI11:50Baltimore/Washington

25h 10m

2 stops

MEL05:00Melbourne

5 Dec

MEL12:00Melbourne

23h 25m

2 stops

BWI19:25Baltimore/Washington

$1,522

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 14/9

11:59-05:00

1 stop27h 01m

Melbourne

Mon 28/9

13:35-22:59

1 stop23h 24m

$1,515

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 19/11

06:02-05:00

1 stop30h 58m

Melbourne

Sat 5/12

12:00-22:54

1 stop26h 54m

$1,516

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 15/6

15:03-07:30

2 stops26h 27m

Melbourne

Wed 1/7

09:30-22:45

2 stops27h 15m

$1,521

Fastest return journey

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 27/7

19:23-07:30

1 stop22h 07m

Melbourne

Wed 19/8

09:30-16:35

1 stop21h 05m

$1,529

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 31/7

18:59-07:30

1 stop22h 31m

Melbourne

Wed 19/8

09:30-16:35

1 stop21h 05m

$1,530

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 12/8

13:00-07:30

2 stops28h 30m

Melbourne

Wed 19/8

09:30-16:35

1 stop21h 05m

$1,536

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 27/7

18:59-08:15

1 stop23h 16m

Melbourne

Mon 17/8

10:55-07:15

1 stop34h 20m

$1,543

BaltimoreMelbourne

BWI - AVV

BWIAVV

Baltimore/Washington

Sat 15/8

16:22-20:20

3 stops37h 58m

Melbourne Avalon

Sun 23/8

06:00-17:46

2 stops25h 46m

$1,568

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 22/9

09:45-07:20

2 stops31h 35m

Sydney Kingsford Smith

Sun 4/10

10:20-19:00

2 stops23h 40m

$1,811

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 22/9

09:07-07:20

2 stops32h 13m

Sydney Kingsford Smith

Tue 6/10

10:20-07:43

2 stops36h 23m

$1,815

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 $115.

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 $2,303 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 $1,090 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 38m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 38m

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

Search flight deals

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 $1,624	Free cancellation	Rating 7.4 9,775 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.