How long is the flight from Washington, D.C. to Australia?

Flight times from Washington, D.C. to Australia vary, but if you’re flying out of Baltimore and flying into Sydney (one of the most popular routes), then the duration is 22h 03m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 22h 58m. Keep in mind that layovers or delays could extend your travel time.

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

United Airlines, American Airlines, and Qantas Airways are the most popular carriers operating from Washington, D.C. to Australia

What airlines fly to Australia?

United Airlines, Qantas Airways and Air New Zealand are the top three most popular airlines that fly to Australia from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to Australia?

Prices for flights from Washington, D.C. to Australia refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Australia?

The number of operators available for flights from Washington, D.C. to Australia is 6 as of July 2026.

How old do you have to be to fly from Washington, D.C. to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$571 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 round-trip flights

Enter your travel dates to find the best prices.

9:00 pm - 10:05 pm

IAD

MEL

35h 05m

1 stop

4:10 pm - 3:40 pm

MEL

IAD

37h 30m

1 stop

$997Qatar Airways

Sun, Sep 13 - Wed, Sep 23

11:12 am - 11:50 am

IAD

SYD

34h 38m

3 stops

1:15 pm - 10:27 am

SYD

IAD

35h 12m

3 stops

$1,097Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

12:43 pm - 7:05 am

IAD

BNE

28h 22m

2 stops

10:15 am - 9:18 pm

BNE

IAD

25h 03m

2 stops

$1,128Air Canada

Sun, Sep 6 - Tue, Sep 22

12:43 pm - 7:05 am

IAD

BNE

28h 22m

2 stops

10:15 am - 6:30 am

BNE

IAD

34h 15m

1 stop

$1,129Air Canada

Sun, Sep 6 - Tue, Sep 22

7:26 am - 5:00 am

BWI

MEL

31h 34m

1 stop

1:35 pm - 11:09 am

MEL

BWI

35h 34m

1 stop

$1,181American Airlines

Wed, Sep 9 - Wed, Sep 16

11:23 am - 5:00 am

BWI

MEL

27h 37m

2 stops

1:35 pm - 11:09 am

MEL

BWI

35h 34m

1 stop

$1,181American Airlines

Wed, Sep 9 - Wed, Sep 16

3:55 pm - 5:00 am

BWI

MEL

23h 05m

1 stop

1:35 pm - 9:34 pm

MEL

BWI

21h 59m

1 stop

$1,183Qantas Airways

Mon, Aug 10 - Wed, Aug 26

3:55 pm - 5:00 am

BWI

MEL

23h 05m

1 stop

1:35 pm - 11:41 pm

MEL

BWI

24h 06m

1 stop

$1,186Qantas Airways

Mon, Aug 10 - Mon, Aug 17

7:23 pm - 7:00 am

BWI

SYD

21h 37m

1 stop

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,187United Airlines

Sun, Aug 9 - Sun, Aug 23

3:03 pm - 7:00 am

BWI

SYD

25h 57m

2 stops

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,187United Airlines

Sun, Aug 9 - Sun, Aug 23

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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

Aug 3

BWI3:03 pmBaltimore/Washington

25h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 18

SYD10:20 amSydney Kingsford Smith

21h 20m

1 stop

BWI5:40 pmBaltimore/Washington

$1,176

United Airlines

Aug 3

BWI7:23 pmBaltimore/Washington

21h 37m

1 stop

SYD7:00 amSydney Kingsford Smith

Aug 19

SYD10:20 amSydney Kingsford Smith

21h 20m

1 stop

BWI5:40 pmBaltimore/Washington

$1,177

United Airlines

Jul 28

BWI3:03 pmBaltimore/Washington

25h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 10

SYD9:30 amSydney Kingsford Smith

22h 13m

1 stop

BWI5:43 pmBaltimore/Washington

$1,178

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

Sep 1

DCA5:45 pmWashington, D.C. Reagan-National

25h 00m

2 stops

SYD8:45 amSydney Kingsford Smith

Sep 9

SYD11:55 amSydney Kingsford Smith

24h 18m

2 stops

DCA10:13 pmWashington, D.C. Reagan-National

$1,269

Air New Zealand

Aug 10

DCA4:59 pmWashington, D.C. Reagan-National

25h 46m

2 stops

SYD8:45 amSydney Kingsford Smith

Aug 24

SYD11:55 amSydney Kingsford Smith

24h 18m

2 stops

DCA10:13 pmWashington, D.C. Reagan-National

$1,279

Air New Zealand

Sep 16

DCA4:38 pmWashington, D.C. Reagan-National

26h 07m

2 stops

SYD8:45 amSydney Kingsford Smith

Sep 23

SYD9:55 amSydney Kingsford Smith

26h 18m

2 stops

DCA10:13 pmWashington, D.C. Reagan-National

$1,282

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Sun 9/13

9:00 pm-10:05 pm

1 stop35h 05m

Melbourne

Wed 9/23

4:10 pm-3:40 pm

1 stop37h 30m

$997

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 9/16

11:12 am-11:50 am

3 stops34h 38m

Sydney Kingsford Smith

Wed 9/23

1:15 pm-10:27 am

3 stops35h 12m

$1,097

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 9/6

12:43 pm-7:05 am

2 stops28h 22m

Brisbane

Tue 9/22

10:15 am-9:18 pm

2 stops25h 03m

$1,128

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 9/6

12:43 pm-7:05 am

2 stops28h 22m

Brisbane

Tue 9/22

10:15 am-6:30 am

1 stop34h 15m

$1,129

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 9/9

7:26 am-5:00 am

1 stop31h 34m

Melbourne

Wed 9/16

1:35 pm-11:09 am

1 stop35h 34m

$1,181

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 9/9

11:23 am-5:00 am

2 stops27h 37m

Melbourne

Wed 9/16

1:35 pm-11:09 am

1 stop35h 34m

$1,181

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 8/10

3:55 pm-5:00 am

1 stop23h 05m

Melbourne

Wed 8/26

1:35 pm-9:34 pm

1 stop21h 59m

$1,183

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 8/10

3:55 pm-5:00 am

1 stop23h 05m

Melbourne

Mon 8/17

1:35 pm-11:41 pm

1 stop24h 06m

$1,186

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/9

7:23 pm-7:00 am

1 stop21h 37m

Sydney Kingsford Smith

Sun 8/23

9:30 am-4:35 pm

1 stop21h 05m

$1,187

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/9

3:03 pm-7:00 am

2 stops25h 57m

Sydney Kingsford Smith

Sun 8/23

9:30 am-4:35 pm

1 stop21h 05m

$1,187

Flights are sorted by cheapest round-trip 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?

The month of May is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $1,390. If you aren’t able to travel during the month of May, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in May, still average around $1,391.

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 $1,610 when searching weeks out. 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 $1,118 on momondo.

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

You could potentially save up to 3% 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 59m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 59m

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 refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Australia?
The number of operators available for flights from Washington, D.C. to Australia is 6 as of July 2026.
How old do you have to be to fly from Washington, D.C. to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
Delta	PriceFrom $282	Free Cancellation	Rating 7.8 8,486 reviews	Search Delta flights
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 10,045 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,393 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,839 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 655 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,743 reviews	Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Australia for you.

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Australia?

Once you have performed a search for Washington, D.C. to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.