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 25h 19m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 26h 53m. 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?

Alaska Airlines, Cathay Pacific, and Turkish Airlines 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 47% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 6 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 November 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.

$622 Cheap Flights from Washington, D.C. to Australia in 2026/27

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.

7:00 am - 12:45 pmDCA Washington, D.C. Reagan-National-MEL Melbourne

37h 45m3 stops Denver Intl Los Angeles Nadi

1:45 pm - 12:25 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

38h 40m3 stops Nadi Los Angeles Denver Intl

$1,260Multiple Airlines

Mon, Feb 1 - Wed, Feb 10

7:00 am - 12:20 pmDCA Washington, D.C. Reagan-National-MEL Melbourne

37h 20m3 stops Denver Intl Los Angeles Nadi

1:45 pm - 4:55 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

43h 10m3 stops Nadi Los Angeles Denver Intl

$1,270Multiple Airlines

Tue, Feb 2 - Wed, Feb 10

8:25 am - 10:00 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

34h 35m2 stops Los Angeles Auckland Intl

11:15 am - 5:25 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

32h 10m2 stops Auckland Intl Los Angeles

$1,286Air New Zealand

Tue, Feb 16 - Wed, Mar 17

1:00 pm - 12:50 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 50m2 stops Houston George Bush Intcntl Auckland Intl

2:05 pm - 6:39 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

31h 34m2 stops Auckland Intl Los Angeles

$1,311Air New Zealand

Mon, Mar 8 - Mon, Mar 22

8:40 am - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

32h 20m1 stop Los Angeles

2:05 pm - 8:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

22h 54m1 stop Dallas/Fort Worth

$1,732Qantas Airways

Wed, Dec 30 - Wed, Jan 13

8:40 am - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

32h 20m1 stop Los Angeles

2:05 pm - 8:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

22h 54m1 stop Dallas/Fort Worth

$1,741Qantas Airways

Wed, Dec 30 - Wed, Jan 13

5:38 pm - 10:30 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

24h 52m1 stop San Francisco

12:45 pm - 8:50 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

24h 05m1 stop San Francisco

$1,819United Airlines

Wed, Feb 10 - Tue, Mar 9

2:34 pm - 10:30 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

27h 56m1 stop San Francisco

11:30 am - 12:54 amMEL Melbourne-IAD Washington, D.C. Dulles Intl

29h 24m1 stop Los Angeles

$1,819United Airlines

Wed, Feb 10 - Wed, Mar 10

7:50 am - 6:35 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

30h 45m1 stop Las Vegas Harry Reid Intl

11:15 am - 8:25 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

24h 10m1 stop Los Angeles

$1,819American Airlines

Tue, Dec 29 - Tue, Mar 23

6:00 am - 6:25 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 25m1 stop Los Angeles

2:05 pm - 10:48 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

24h 43m1 stop Dallas/Fort Worth

$1,820American Airlines

Sun, Feb 7 - Mon, Feb 22

Cheap last minute flights

Enter your travel dates to find the best prices.

7:48 am - 10:30 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

35h 42m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

11:40 am - 5:10 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

32h 30m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,274Multiple Airlines

Wed, Nov 11 - Mon, Nov 23

6:00 am - 8:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 35m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 10:44 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

43h 19m2 stops Auckland Intl Houston George Bush Intcntl

$1,336Air New Zealand

Mon, Nov 9 - Mon, Nov 16

12:50 pm - 8:35 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

27h 45m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 10:15 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

42h 50m2 stops Auckland Intl Houston George Bush Intcntl

$1,336Air New Zealand

Mon, Nov 9 - Mon, Nov 16

7:48 am - 5:50 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 02m2 stops Atlanta Hartsfield-Jackson Los Angeles

11:40 am - 5:10 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

32h 30m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,399Multiple Airlines

Wed, Nov 11 - Mon, Nov 23

8:05 pm - 11:20 pmIAD Washington, D.C. Dulles Intl-MEL Melbourne

35h 15m1 stop Doha Hamad Intl

11:40 pm - 3:55 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

32h 15m1 stop Doha Hamad Intl

$2,005Qatar Airways

Mon, Nov 9 - Wed, Nov 18

8:05 pm - 11:20 pmIAD Washington, D.C. Dulles Intl-MEL Melbourne

35h 15m1 stop Doha Hamad Intl

11:40 pm - 3:55 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

32h 15m1 stop Doha Hamad Intl

$2,005Qatar Airways

Mon, Nov 9 - Thu, Nov 12

5:05 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 55m1 stop Los Angeles

2:05 pm - 8:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

22h 54m1 stop Dallas/Fort Worth

$2,043Qantas Airways

Tue, Nov 10 - Tue, Dec 1

5:05 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 55m1 stop Los Angeles

2:05 pm - 8:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

22h 54m1 stop Dallas/Fort Worth

$2,077Qantas Airways

Tue, Nov 10 - Tue, Dec 1

8:42 am - 6:25 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

29h 43m1 stop Los Angeles

11:15 am - 4:00 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 45m1 stop Los Angeles

$2,120American Airlines

Tue, Nov 10 - Tue, Dec 1

10:00 am - 6:30 amDCA Washington, D.C. Reagan-National-BNE Brisbane

29h 30m1 stop Dallas/Fort Worth

1:10 pm - 9:04 pmBNE Brisbane-DCA Washington, D.C. Reagan-National

22h 54m1 stop Los Angeles

$2,167American Airlines

Tue, Nov 10 - Tue, Nov 24

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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

Feb 16

IAD8:25 amWashington, D.C. Dulles Intl

34h 35m

2 stops

BNE10:00 amBrisbane

Mar 17

BNE11:15 amBrisbane

32h 10m

2 stops

IAD5:25 amWashington, D.C. Dulles Intl

$1,286

Air New Zealand

Mar 8

IAD1:00 pmWashington, D.C. Dulles Intl

31h 50m

2 stops

SYD12:50 pmSydney Kingsford Smith

Mar 22

SYD2:05 pmSydney Kingsford Smith

31h 34m

2 stops

IAD6:39 amWashington, D.C. Dulles Intl

$1,311

Air New Zealand

Jan 24

DCA2:28 pmWashington, D.C. Reagan-National

28h 07m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 9

SYD11:50 amSydney Kingsford Smith

25h 06m

2 stops

DCA8:56 pmWashington, D.C. Reagan-National

$1,318

Delta flights from Washington, D.C. to Australia

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

Delta

Nov 16

DCA4:40 pmWashington, D.C. Reagan-National

23h 50m

1 stop

SYD8:30 amSydney Kingsford Smith

Dec 2

SYD10:40 amSydney Kingsford Smith

20h 41m

1 stop

DCA3:21 pmWashington, D.C. Reagan-National

$1,775

Delta

Nov 10

DCA4:40 pmWashington, D.C. Reagan-National

23h 50m

1 stop

SYD8:30 amSydney Kingsford Smith

Nov 24

SYD10:40 amSydney Kingsford Smith

20h 39m

1 stop

DCA3:19 pmWashington, D.C. Reagan-National

$1,776

Delta

Nov 10

DCA12:31 pmWashington, D.C. Reagan-National

27h 59m

2 stops

SYD8:30 amSydney Kingsford Smith

Nov 24

SYD10:40 amSydney Kingsford Smith

27h 07m

2 stops

DCA9:47 pmWashington, D.C. Reagan-National

$1,781

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

DCA Washington, D.C. Reagan-National - MEL Melbourne

DCAMEL

Washington, D.C. Reagan-National

Mon 2/1

7:00 am-12:45 pm

3 stops37h 45m

Melbourne

Wed 2/10

1:45 pm-12:25 pm

3 stops38h 40m

$1,260

Washington, D.C.Melbourne

DCA Washington, D.C. Reagan-National - MEL Melbourne

DCAMEL

Washington, D.C. Reagan-National

Tue 2/2

7:00 am-12:20 pm

3 stops37h 20m

Melbourne

Wed 2/10

1:45 pm-4:55 pm

3 stops43h 10m

$1,270

Washington, D.C.Brisbane

IAD Washington, D.C. Dulles Intl - BNE Brisbane

IADBNE

Washington, D.C. Dulles Intl

Tue 2/16

8:25 am-10:00 am

2 stops34h 35m

Brisbane

Wed 3/17

11:15 am-5:25 am

2 stops32h 10m

$1,286

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Mon 3/8

1:00 pm-12:50 pm

2 stops31h 50m

Sydney Kingsford Smith

Mon 3/22

2:05 pm-6:39 am

2 stops31h 34m

$1,311

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 12/30

8:40 am-9:00 am

1 stop32h 20m

Sydney Kingsford Smith

Wed 1/13

2:05 pm-8:59 pm

1 stop22h 54m

$1,732

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 12/30

8:40 am-9:00 am

1 stop32h 20m

Sydney Kingsford Smith

Wed 1/13

2:05 pm-8:59 pm

1 stop22h 54m

$1,741

Quickest round-trip

Washington, D.C.Melbourne

IAD Washington, D.C. Dulles Intl - MEL Melbourne

IADMEL

Washington, D.C. Dulles Intl

Wed 2/10

5:38 pm-10:30 am

1 stop24h 52m

Melbourne

Tue 3/9

12:45 pm-8:50 pm

1 stop24h 05m

$1,819

Washington, D.C.Melbourne

IAD Washington, D.C. Dulles Intl - MEL Melbourne

IADMEL

Washington, D.C. Dulles Intl

Wed 2/10

2:34 pm-10:30 am

1 stop27h 56m

Melbourne

Wed 3/10

11:30 am-12:54 am

1 stop29h 24m

$1,819

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Tue 12/29

7:50 am-6:35 am

1 stop30h 45m

Sydney Kingsford Smith

Tue 3/23

11:15 am-8:25 pm

1 stop24h 10m

$1,819

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Sun 2/7

6:00 am-6:25 am

1 stop32h 25m

Sydney Kingsford Smith

Mon 2/22

2:05 pm-10:48 pm

1 stop24h 43m

$1,820

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 $1,410. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during May instead. Flights to Australia in May, while not as cheap as those in August, still average around $1,420.

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 $1,625 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 $1,285 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

Best Price Found	$622
Fastest flight time	21h 59m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $622. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,260.

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 November 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
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.3 10,470 reviews	Search United Airlines flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 11,875 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $973	Free Cancellation	Rating 7.5 1,123 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,230	Free Cancellation	Rating 8.0 683 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,707 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.