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 49m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 23h 25m. 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 7 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?

Delta, Qantas Airways, and United 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 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 August 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.

$554 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

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:50 am - 11:50 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

1:15 pm - 9:32 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

34h 17m3 stops Nadi Los Angeles Orlando

$1,034Multiple Airlines

Mon, Sep 14 - Sun, Sep 20

7:50 am - 11:50 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

38h 00m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

1:15 pm - 9:32 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

34h 17m3 stops Nadi Los Angeles Orlando

$1,040Multiple Airlines

Mon, Sep 14 - Sun, Sep 20

3:57 pm - 5:00 amBWI Baltimore/Washington-MEL Melbourne

23h 03m1 stop Dallas/Fort Worth

2:35 pm - 11:59 pmMEL Melbourne-BWI Baltimore/Washington

24h 24m2 stops Dallas/Fort Worth Charlotte Douglas

$1,132American Airlines

Mon, Sep 28 - Mon, Oct 5

2:54 pm - 5:00 amBWI Baltimore/Washington-MEL Melbourne

24h 06m2 stops Charlotte Douglas Dallas/Fort Worth

2:35 pm - 11:59 pmMEL Melbourne-BWI Baltimore/Washington

24h 24m2 stops Dallas/Fort Worth Charlotte Douglas

$1,132American Airlines

Mon, Sep 28 - Mon, Oct 5

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

32h 05m2 stops Los Angeles Auckland Intl

9:55 am - 10:50 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

27h 55m2 stops Auckland Intl Los Angeles

$1,248Air New Zealand

Sun, Jan 24 - Wed, Mar 17

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

32h 05m2 stops Los Angeles Auckland Intl

2:05 pm - 12:50 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

26h 45m2 stops Auckland Intl Los Angeles

$1,248Air New Zealand

Mon, Feb 1 - Sun, Feb 14

1:05 pm - 7:30 amBWI Baltimore/Washington-MEL Melbourne

28h 25m2 stops Houston George Bush Intcntl Los Angeles

11:55 am - 11:44 pmMEL Melbourne-BWI Baltimore/Washington

26h 49m2 stops San Francisco Denver Intl

$1,258United Airlines

Mon, Sep 28 - Mon, Oct 12

5:43 pm - 7:30 amBWI Baltimore/Washington-MEL Melbourne

23h 47m1 stop Los Angeles

11:55 am - 10:59 pmMEL Melbourne-BWI Baltimore/Washington

26h 04m2 stops San Francisco Chicago O'Hare Intl

$1,258United Airlines

Mon, Sep 28 - Mon, Oct 12

4:04 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 51m1 stop Dallas/Fort Worth

2:05 pm - 7:16 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 11m1 stop Dallas/Fort Worth

$1,267Qantas Airways

Wed, Oct 21 - Wed, Nov 18

4:04 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

23h 51m1 stop Dallas/Fort Worth

2:05 pm - 7:16 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 11m1 stop Dallas/Fort Worth

$1,268Qantas Airways

Wed, Oct 21 - Wed, Nov 18

Cheap last minute flights

Enter your travel dates to find the best prices.

3:04 pm - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 56m2 stops Houston George Bush Intcntl Los Angeles

10:20 am - 9:29 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

25h 09m2 stops San Francisco Chicago O'Hare Intl

$1,229United Airlines

Sun, Aug 16 - Sun, Aug 30

6:52 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

9:30 am - 11:00 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

27h 30m2 stops Los Angeles Chicago O'Hare Intl

$1,229United Airlines

Sun, Aug 16 - Sun, Aug 30

7:20 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

21h 35m1 stop Dallas/Fort Worth

12:00 pm - 9:34 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 34m1 stop Dallas/Fort Worth

$1,328Qantas Airways

Thu, Aug 20 - Sat, Aug 29

7:20 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

21h 35m1 stop Dallas/Fort Worth

12:00 pm - 8:49 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

22h 49m2 stops Dallas/Fort Worth Charlotte Douglas

$1,339American Airlines

Thu, Aug 20 - Sat, Aug 29

9:00 am - 9:50 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

46h 50m2 stops Los Angeles Auckland Intl

11:55 am - 6:34 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 39m2 stops Auckland Intl Los Angeles

$1,385Air New Zealand

Wed, Aug 19 - Wed, Sep 9

8:29 am - 7:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

32h 51m1 stop Vancouver Intl

9:20 am - 9:18 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,407Air Canada

Mon, Aug 17 - Tue, Aug 25

3:45 pm - 7:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

25h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 9:18 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,410Air Canada

Mon, Aug 17 - Tue, Aug 25

7:20 pm - 5:00 amBWI Baltimore/Washington-MEL Melbourne

43h 40m1 stop Dallas/Fort Worth

1:35 pm - 11:41 pmMEL Melbourne-BWI Baltimore/Washington

24h 06m1 stop Dallas/Fort Worth

$1,431Qantas Airways

Sun, Aug 16 - Mon, Aug 24

7:00 am - 8:45 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

35h 45m2 stops Los Angeles Auckland Intl

9:30 am - 8:50 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 20m1 stop Los Angeles

$1,569Air New Zealand

Tue, Aug 18 - Tue, Sep 1

5:12 pm - 7:05 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 53m2 stops Dallas/Fort Worth Los Angeles

9:10 am - 4:29 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

21h 19m1 stop Los Angeles

$2,102American Airlines

Sun, Aug 16 - Sun, Aug 30

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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 16

BWI3:04 pmBaltimore/Washington

25h 56m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 30

SYD10:20 amSydney Kingsford Smith

25h 09m

2 stops

BWI9:29 pmBaltimore/Washington

$1,229

United Airlines

Aug 16

BWI9:00 amBaltimore/Washington

32h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Aug 30

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,230

United Airlines

Aug 16

BWI9:00 amBaltimore/Washington

32h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Aug 30

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,233

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

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

American Airlines

Sep 28

BWI3:57 pmBaltimore/Washington

23h 03m

1 stop

MEL5:00 amMelbourne

Oct 5

MEL2:35 pmMelbourne

24h 24m

2 stops

BWI11:59 pmBaltimore/Washington

$1,132

American Airlines

Sep 28

BWI3:57 pmBaltimore/Washington

23h 03m

1 stop

MEL5:00 amMelbourne

Oct 12

MEL2:35 pmMelbourne

23h 19m

1 stop

BWI10:54 pmBaltimore/Washington

$1,135

American Airlines

Sep 28

BWI11:59 amBaltimore/Washington

27h 01m

1 stop

MEL5:00 amMelbourne

Oct 5

MEL10:00 amMelbourne

24h 26m

2 stops

BWI7:26 pmBaltimore/Washington

$1,171

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.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Mon 9/14

7:50 am-11:50 am

3 stops38h 00m

Sydney Kingsford Smith

Sun 9/20

1:15 pm-9:32 am

3 stops34h 17m

$1,034

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Mon 9/14

7:50 am-11:50 am

3 stops38h 00m

Sydney Kingsford Smith

Sun 9/20

1:15 pm-9:32 am

3 stops34h 17m

$1,040

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 9/28

3:57 pm-5:00 am

1 stop23h 03m

Melbourne

Mon 10/5

2:35 pm-11:59 pm

2 stops24h 24m

$1,132

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 9/28

2:54 pm-5:00 am

2 stops24h 06m

Melbourne

Mon 10/5

2:35 pm-11:59 pm

2 stops24h 24m

$1,132

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Sun 1/24

8:30 am-8:35 am

2 stops32h 05m

Sydney Kingsford Smith

Wed 3/17

9:55 am-10:50 pm

2 stops27h 55m

$1,248

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Mon 2/1

8:30 am-8:35 am

2 stops32h 05m

Sydney Kingsford Smith

Sun 2/14

2:05 pm-12:50 am

2 stops26h 45m

$1,248

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 9/28

1:05 pm-7:30 am

2 stops28h 25m

Melbourne

Mon 10/12

11:55 am-11:44 pm

2 stops26h 49m

$1,258

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 9/28

5:43 pm-7:30 am

1 stop23h 47m

Melbourne

Mon 10/12

11:55 am-10:59 pm

2 stops26h 04m

$1,258

Quickest round-trip

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/21

4:04 pm-6:55 am

1 stop23h 51m

Sydney Kingsford Smith

Wed 11/18

2:05 pm-7:16 pm

1 stop21h 11m

$1,267

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 10/21

4:04 pm-6:55 am

1 stop23h 51m

Sydney Kingsford Smith

Wed 11/18

2:05 pm-7:16 pm

1 stop21h 11m

$1,268

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 February is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $1,395. If you aren’t able to travel during the month of February, then book flights to Australia from Washington, D.C. during May instead. Flights to Australia in May, while not as cheap as those in February, still average around $1,397.

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 $1,633 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 $1,248 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 40m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 40m

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 August 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 8,504 reviews	Search Delta flights
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,479 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,083 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,952 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,285	Free Cancellation	Rating 8.0 662 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,738 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.