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 21h 38m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 25h 06m. 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, Qantas Airways, and Alaska Airlines are the most popular carriers operating from Washington, D.C. to Australia

What airlines fly to Australia?

United Airlines, Qantas Airways and American Airlines 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 59% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 8 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 7 as of May 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.

$551 Cheap Flights from Washington, D.C. to Australia in 2026

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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.

3:53 pm - 5:00 am

BWI

MEL

23h 07m

1 stop

1:35 pm - 11:43 pm

MEL

BWI

24h 08m

1 stop

$1,071American Airlines

Mon, Aug 17 - Mon, Aug 31

7:27 am - 5:00 am

BWI

MEL

31h 33m

1 stop

1:35 pm - 11:43 pm

MEL

BWI

24h 08m

1 stop

$1,079American Airlines

Wed, Jun 24 - Wed, Jul 15

6:52 pm - 8:15 am

BWI

MEL

23h 23m

1 stop

9:30 am - 4:35 pm

MEL

BWI

21h 05m

1 stop

$1,082United Airlines

Fri, Aug 14 - Sun, Aug 30

11:54 am - 7:50 am

BWI

MEL

29h 56m

2 stops

10:00 am - 9:26 pm

MEL

BWI

25h 26m

2 stops

$1,088Delta

Mon, Jun 22 - Fri, Jul 17

12:03 pm - 7:50 am

BWI

MEL

29h 47m

2 stops

10:00 am - 9:27 pm

MEL

BWI

25h 27m

2 stops

$1,090Delta

Fri, Aug 14 - Fri, Aug 28

3:00 pm - 7:30 am

BWI

MEL

26h 30m

2 stops

10:55 am - 5:57 pm

MEL

BWI

21h 02m

1 stop

$1,092United Airlines

Mon, Jun 1 - Wed, Jun 10

7:11 pm - 6:55 am

BWI

SYD

21h 44m

1 stop

12:00 pm - 7:19 pm

SYD

BWI

21h 19m

1 stop

$1,251Qantas Airways

Mon, Jun 8 - Tue, Jun 23

9:07 am - 7:05 am

IAD

BNE

31h 58m

2 stops

10:15 am - 9:18 pm

BNE

IAD

25h 03m

2 stops

$1,291Air Canada

Sun, Sep 6 - Tue, Sep 15

9:55 am - 9:35 am

IAD

SYD

31h 40m

2 stops

11:20 am - 8:23 pm

SYD

IAD

25h 03m

2 stops

$1,294Air Canada

Wed, Nov 4 - Wed, Nov 18

7:16 pm - 6:55 am

BWI

SYD

21h 39m

1 stop

12:00 pm - 7:29 pm

SYD

BWI

21h 29m

1 stop

$1,296Qantas Airways

Tue, Aug 4 - Thu, Aug 20

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

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

Air Canada

Sep 6

IAD9:07 amWashington, D.C. Dulles Intl

31h 58m

2 stops

BNE7:05 amBrisbane

Sep 15

BNE10:15 amBrisbane

25h 03m

2 stops

IAD9:18 pmWashington, D.C. Dulles Intl

$1,291

Air Canada

Nov 4

DCA11:00 amWashington, D.C. Reagan-National

30h 35m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 18

SYD11:20 amSydney Kingsford Smith

39h 01m

2 stops

DCA10:21 amWashington, D.C. Reagan-National

$1,294

Air Canada

Jun 3

IAD8:18 amWashington, D.C. Dulles Intl

33h 02m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 10

SYD9:20 amSydney Kingsford Smith

36h 24m

2 stops

IAD7:44 amWashington, D.C. Dulles Intl

$1,296

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

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

Qantas Airways

Oct 19

BWI3:48 pmBaltimore/Washington

22h 12m

1 stop

MEL5:00 amMelbourne

Nov 1

MEL12:00 pmMelbourne

22h 17m

1 stop

BWI7:17 pmBaltimore/Washington

$1,110

Qantas Airways

Oct 21

BWI3:48 pmBaltimore/Washington

22h 12m

1 stop

MEL5:00 amMelbourne

Nov 1

MEL12:00 pmMelbourne

22h 17m

1 stop

BWI7:17 pmBaltimore/Washington

$1,133

Qantas Airways

Jun 1

BWI7:10 pmBaltimore/Washington

21h 45m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 15

SYD12:00 pmSydney Kingsford Smith

21h 19m

1 stop

BWI7:19 pmBaltimore/Washington

$1,251

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 8/17

3:53 pm-5:00 am

1 stop23h 07m

Melbourne

Mon 8/31

1:35 pm-11:43 pm

1 stop24h 08m

$1,071

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 6/24

7:27 am-5:00 am

1 stop31h 33m

Melbourne

Wed 7/15

1:35 pm-11:43 pm

1 stop24h 08m

$1,079

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 8/14

6:52 pm-8:15 am

1 stop23h 23m

Melbourne

Sun 8/30

9:30 am-4:35 pm

1 stop21h 05m

$1,082

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 6/22

11:54 am-7:50 am

2 stops29h 56m

Melbourne

Fri 7/17

10:00 am-9:26 pm

2 stops25h 26m

$1,088

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 8/14

12:03 pm-7:50 am

2 stops29h 47m

Melbourne

Fri 8/28

10:00 am-9:27 pm

2 stops25h 27m

$1,090

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 6/1

3:00 pm-7:30 am

2 stops26h 30m

Melbourne

Wed 6/10

10:55 am-5:57 pm

1 stop21h 02m

$1,092

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 6/8

7:11 pm-6:55 am

1 stop21h 44m

Sydney Kingsford Smith

Tue 6/23

12:00 pm-7:19 pm

1 stop21h 19m

$1,251

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 9/6

9:07 am-7:05 am

2 stops31h 58m

Brisbane

Tue 9/15

10:15 am-9:18 pm

2 stops25h 03m

$1,291

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 11/4

9:55 am-9:35 am

2 stops31h 40m

Sydney Kingsford Smith

Wed 11/18

11:20 am-8:23 pm

2 stops25h 03m

$1,294

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 8/4

7:16 pm-6:55 am

1 stop21h 39m

Sydney Kingsford Smith

Thu 8/20

12:00 pm-7:29 pm

1 stop21h 29m

$1,296

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 August is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $78. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during September instead. Flights to Australia in September, while not as cheap as those in August, still average around $82.

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 $1,639 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 $778 on momondo.

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

You could potentially save up to 24% 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 24m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 24m

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 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 7 as of May 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 $276	Free Cancellation	Rating 7.9 8,425 reviews	Search Delta flights
United Airlines	PriceFrom $377	Free Cancellation	Rating 7.4 9,750 reviews	Search United Airlines flights
Fiji Airways	PriceFrom $719	Free Cancellation	Rating 8.1 243 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,094 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,043 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 648 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,726 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.