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 23h 22m. Keep in mind that layovers or delays could extend your travel time.

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 52% 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.

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

United Airlines, American Airlines, and Delta 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 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 5 as of September 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.

$190 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.

1:44 pm - 5:00 amDCA Washington, D.C. Reagan-National-MEL Melbourne

24h 16m1 stop Dallas/Fort Worth

12:00 pm - 7:01 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

23h 01m1 stop Dallas/Fort Worth

$190Qantas Airways

Thu, Oct 29 - Thu, Nov 5

5:35 pm - 9:00 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

2:05 pm - 9:14 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

23h 09m1 stop Dallas/Fort Worth

$196Qantas Airways

Thu, Oct 29 - Thu, Nov 5

7:02 am - 8:20 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 am - 5:40 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 20m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,096Multiple Airlines

Tue, Oct 20 - Mon, Nov 2

6:11 pm - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 24m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 am - 5:11 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 51m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,103Multiple Airlines

Wed, Feb 17 - Wed, Feb 24

7:00 am - 5:00 amBWI Baltimore/Washington-MEL Melbourne

31h 00m1 stop Dallas/Fort Worth

12:00 pm - 10:36 pmMEL Melbourne-BWI Baltimore/Washington

26h 36m1 stop Dallas/Fort Worth

$1,142American Airlines

Sun, Oct 25 - Tue, Nov 10

6:34 pm - 9:30 amBWI Baltimore/Washington-MEL Melbourne

23h 56m1 stop San Francisco

12:45 pm - 6:48 amMEL Melbourne-BWI Baltimore/Washington

34h 03m1 stop San Francisco

$1,154United Airlines

Sun, Oct 25 - Tue, Nov 10

6:34 pm - 9:30 amBWI Baltimore/Washington-MEL Melbourne

23h 56m1 stop San Francisco

12:45 pm - 4:25 pmMEL Melbourne-BWI Baltimore/Washington

43h 40m2 stops San Francisco Houston George Bush Intcntl

$1,154United Airlines

Sun, Oct 25 - Tue, Nov 10

6:30 am - 8:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

34h 05m2 stops San Francisco Auckland Intl

11:50 am - 5:25 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

33h 35m2 stops Auckland Intl Los Angeles

$1,231Air New Zealand

Sun, Feb 21 - Tue, Feb 23

11:55 am - 5:00 amBWI Baltimore/Washington-MEL Melbourne

26h 05m1 stop Dallas/Fort Worth

12:00 pm - 7:17 pmMEL Melbourne-BWI Baltimore/Washington

23h 17m1 stop Dallas/Fort Worth

$1,237American Airlines

Thu, Oct 29 - Thu, Nov 5

8:37 am - 7:00 amBWI Baltimore/Washington-BNE Brisbane

31h 23m2 stops Los Angeles Auckland Intl

8:20 am - 7:01 amBNE Brisbane-BWI Baltimore/Washington

37h 41m2 stops Auckland Intl Los Angeles

$1,257Air New Zealand

Mon, Feb 1 - Wed, Feb 17

Cheap last minute flights

Enter your travel dates to find the best prices.

7:48 am - 6:25 pmDCA Washington, D.C. Reagan-National-BNE Brisbane

44h 37m2 stops San Francisco Auckland Intl

8:20 am - 10:30 pmBNE Brisbane-DCA Washington, D.C. Reagan-National

28h 10m2 stops Auckland Intl San Francisco

$1,398Air New Zealand

Sun, Sep 20 - Wed, Oct 28

7:48 am - 6:25 pmDCA Washington, D.C. Reagan-National-BNE Brisbane

44h 37m2 stops San Francisco Auckland Intl

11:15 am - 10:30 pmBNE Brisbane-DCA Washington, D.C. Reagan-National

25h 15m2 stops Auckland Intl San Francisco

$1,398Air New Zealand

Sun, Sep 20 - Fri, Oct 30

10:10 pm - 7:05 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

42h 55m2 stops Ottawa Vancouver Intl

10:45 am - 4:53 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

44h 08m2 stops Vancouver Intl Ottawa

$1,407Air Canada

Sat, Sep 19 - Sun, Nov 1

9:07 am - 7:05 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 58m2 stops Calgary Vancouver Intl

10:00 am - 3:00 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

43h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,435Air Canada

Mon, Sep 21 - Thu, Oct 1

9:40 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 30m2 stops Istanbul Kuala Lumpur Intl

10:05 pm - 7:45 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

36h 40m2 stops Kuala Lumpur Intl Istanbul

$1,484Turkish Airlines

Tue, Sep 22 - Tue, Oct 6

4:20 pm - 7:05 amDCA Washington, D.C. Reagan-National-BNE Brisbane

24h 45m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

4:50 pm - 8:58 pmBNE Brisbane-DCA Washington, D.C. Reagan-National

42h 08m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,485Multiple Airlines

Sat, Sep 19 - Sat, Oct 31

6:52 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

21h 38m1 stop San Francisco

10:20 am - 5:26 pmBNE Brisbane-BWI Baltimore/Washington

21h 06m1 stop San Francisco

$2,008United Airlines

Sun, Sep 20 - Sat, Oct 31

5:44 pm - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 16m1 stop Los Angeles

11:20 am - 5:34 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 14m1 stop San Francisco

$2,009United Airlines

Sun, Sep 20 - Tue, Oct 6

5:35 pm - 7:05 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 30m1 stop Los Angeles

1:00 pm - 6:56 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 56m1 stop Dallas/Fort Worth

$2,077Qantas Airways

Tue, Sep 22 - Tue, Oct 6

3:57 pm - 3:15 pmBWI Baltimore/Washington-BNE Brisbane

33h 18m2 stops Dallas/Fort Worth Sydney Kingsford Smith

9:40 am - 3:06 pmBNE Brisbane-BWI Baltimore/Washington

19h 26m1 stop Dallas/Fort Worth

$2,092Qantas Airways

Tue, Sep 22 - Wed, Oct 28

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SWISS flights from Washington, D.C. to Australia

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

SWISS

Sep 17

IAD8:20 pmWashington, D.C. Dulles Intl

32h 45m

2 stops

SYD7:05 pmSydney Kingsford Smith

Oct 4

SYD9:35 pmSydney Kingsford Smith

58h 10m

2 stops

IAD4:45 pmWashington, D.C. Dulles Intl

$1,674

SWISS

Sep 19

IAD8:20 pmWashington, D.C. Dulles Intl

32h 45m

2 stops

SYD7:05 pmSydney Kingsford Smith

Oct 4

SYD9:35 pmSydney Kingsford Smith

58h 10m

2 stops

IAD4:45 pmWashington, D.C. Dulles Intl

$1,691

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

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

Turkish Airlines

Sep 22

IAD9:40 pmWashington, D.C. Dulles Intl

31h 30m

2 stops

SYD7:10 pmSydney Kingsford Smith

Oct 6

SYD10:05 pmSydney Kingsford Smith

36h 40m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$1,484

Turkish Airlines

Sep 22

IAD9:40 pmWashington, D.C. Dulles Intl

31h 30m

2 stops

SYD7:10 pmSydney Kingsford Smith

Oct 6

SYD10:05 pmSydney Kingsford Smith

36h 40m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$1,575

Turkish Airlines

Sep 22

IAD9:40 pmWashington, D.C. Dulles Intl

31h 30m

2 stops

SYD7:10 pmSydney Kingsford Smith

Oct 2

SYD9:05 pmSydney Kingsford Smith

52h 25m

2 stops

IAD11:30 amWashington, D.C. Dulles Intl

$1,604

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

Quickest round-trip

Washington, D.C.Melbourne

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

DCAMEL

Washington, D.C. Reagan-National

Thu 10/29

1:44 pm-5:00 am

1 stop24h 16m

Melbourne

Thu 11/5

12:00 pm-7:01 pm

1 stop23h 01m

$190

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Thu 10/29

5:35 pm-9:00 am

1 stop24h 25m

Sydney Kingsford Smith

Thu 11/5

2:05 pm-9:14 pm

1 stop23h 09m

$196

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 10/20

7:02 am-8:20 am

2 stops34h 18m

Sydney Kingsford Smith

Mon 11/2

11:20 am-5:40 am

2 stops34h 20m

$1,096

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 2/17

6:11 pm-9:35 am

2 stops47h 24m

Sydney Kingsford Smith

Wed 2/24

11:20 am-5:11 pm

2 stops45h 51m

$1,103

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Sun 10/25

7:00 am-5:00 am

1 stop31h 00m

Melbourne

Tue 11/10

12:00 pm-10:36 pm

1 stop26h 36m

$1,142

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Sun 10/25

6:34 pm-9:30 am

1 stop23h 56m

Melbourne

Tue 11/10

12:45 pm-6:48 am

1 stop34h 03m

$1,154

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Sun 10/25

6:34 pm-9:30 am

1 stop23h 56m

Melbourne

Tue 11/10

12:45 pm-4:25 pm

2 stops43h 40m

$1,154

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 2/21

6:30 am-8:35 am

2 stops34h 05m

Sydney Kingsford Smith

Tue 2/23

11:50 am-5:25 am

2 stops33h 35m

$1,231

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Thu 10/29

11:55 am-5:00 am

1 stop26h 05m

Melbourne

Thu 11/5

12:00 pm-7:17 pm

1 stop23h 17m

$1,237

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/1

8:37 am-7:00 am

2 stops31h 23m

Brisbane

Wed 2/17

8:20 am-7:01 am

2 stops37h 41m

$1,257

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 April 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 April, then book flights to Australia from Washington, D.C. during August instead. Flights to Australia in August, while not as cheap as those in April, still average around $1,403.

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 $1,126 on momondo.

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	$572
Fastest flight time	21h 50m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $572. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $190.

The fastest flight from Washington, D.C. to Australia takes 21h 50m

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 5 as of September 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 $357	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,644 reviews	Search Air Canada flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 12,075 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,100 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,149	Free Cancellation	Rating 8.0 669 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,732 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.