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 24h 30m. 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, Etihad Airways, 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 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.

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 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.

$537 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.

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

$1,069Multiple Airlines

Fri, Feb 12 - Sun, Feb 21

6:20 pm - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 15m2 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

$1,082Multiple Airlines

Mon, Feb 1 - Mon, Feb 15

2:46 pm - 9:30 amBWI Baltimore/Washington-MEL Melbourne

26h 44m2 stops Charlotte Douglas Los Angeles

12:00 pm - 12:16 amMEL Melbourne-BWI Baltimore/Washington

28h 16m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,146American Airlines

Tue, Feb 9 - Tue, Feb 16

2:46 pm - 9:30 amBWI Baltimore/Washington-MEL Melbourne

26h 44m2 stops Charlotte Douglas Los Angeles

12:00 pm - 5:16 pmMEL Melbourne-BWI Baltimore/Washington

21h 16m1 stop Dallas/Fort Worth

$1,146American Airlines

Tue, Feb 9 - Tue, Feb 16

6:50 pm - 9:15 amBWI Baltimore/Washington-MEL Melbourne

23h 25m1 stop San Francisco

11:30 am - 8:38 pmMEL Melbourne-BWI Baltimore/Washington

25h 08m1 stop Los Angeles

$1,153United Airlines

Mon, Oct 19 - Wed, Nov 4

6:50 pm - 9:15 amBWI Baltimore/Washington-MEL Melbourne

23h 25m1 stop San Francisco

12:45 pm - 11:08 pmMEL Melbourne-BWI Baltimore/Washington

26h 23m2 stops San Francisco Denver Intl

$1,153United Airlines

Mon, Oct 19 - Wed, Nov 4

8:37 am - 10:00 amBWI Baltimore/Washington-BNE Brisbane

34h 23m2 stops Los Angeles Auckland Intl

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

37h 41m2 stops Auckland Intl Los Angeles

$1,259Air New Zealand

Mon, Feb 1 - Wed, Feb 17

7:00 am - 10:00 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

36h 00m2 stops Los Angeles Auckland Intl

8:20 am - 12:50 amBNE Brisbane-IAD Washington, D.C. Dulles Intl

31h 30m2 stops Auckland Intl Los Angeles

$1,259Air New Zealand

Mon, Feb 1 - Wed, Feb 17

11:00 am - 7:05 amDCA Washington, D.C. Reagan-National-BNE Brisbane

30h 05m2 stops Toronto Pearson Intl Vancouver Intl

10:00 am - 9:50 pmBNE Brisbane-DCA Washington, D.C. Reagan-National

25h 50m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,275Air Canada

Mon, Oct 12 - Mon, Oct 19

4:00 pm - 7:05 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

25h 05m2 stops Toronto Pearson Intl Vancouver Intl

10:00 am - 8:25 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

24h 25m2 stops Vancouver Intl Toronto Pearson Intl

$1,279Air Canada

Mon, Oct 12 - Mon, Oct 19

Cheap last minute flights

Enter your travel dates to find the best prices.

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

22h 03m1 stop San Francisco

10:20 am - 7:15 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

34h 55m1 stop San Francisco

$1,225United Airlines

Mon, Aug 31 - Mon, Sep 14

7:00 am - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 00m1 stop Los Angeles

10:20 am - 11:45 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

39h 25m2 stops San Francisco Houston George Bush Intcntl

$1,225United Airlines

Mon, Aug 31 - Mon, Sep 14

10:35 am - 7:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

30h 45m2 stops Chicago O'Hare Intl Vancouver Intl

9:20 am - 8:25 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 05m2 stops Vancouver Intl Toronto Pearson Intl

$1,372Air Canada

Tue, Sep 1 - Tue, Sep 29

4:20 pm - 7:20 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

25h 00m2 stops Denver Intl Vancouver Intl

9:20 am - 12:14 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

40h 54m2 stops Vancouver Intl Ottawa

$1,400Air Canada

Mon, Aug 31 - Mon, Sep 28

7:35 pm - 7:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

45h 45m2 stops San Diego Vancouver Intl

6:30 am - 6:30 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

38h 00m2 stops Brisbane Vancouver Intl

$1,434Multiple Airlines

Fri, Sep 4 - Wed, Sep 9

3:10 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

35h 40m1 stop Abu Dhabi Zayed Intl

8:50 pm - 9:45 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

50h 55m1 stop Abu Dhabi Zayed Intl

$1,459Etihad Airways

Sat, Sep 5 - Mon, Sep 21

9:45 am - 7:20 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

55h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 8:25 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 05m1 stop Toronto Pearson Intl

$1,507Air New Zealand

Wed, Sep 2 - Wed, Sep 30

8:20 am - 8:45 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

34h 25m2 stops Houston George Bush Intcntl Auckland Intl

10:20 am - 10:30 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 10m1 stop San Francisco

$1,583Air New Zealand

Mon, Aug 31 - Mon, Sep 14

3:55 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

25h 00m1 stop Dallas/Fort Worth

12:00 pm - 9:29 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 29m1 stop Dallas/Fort Worth

$2,007Qantas Airways

Tue, Sep 1 - Tue, Sep 29

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

23h 30m1 stop Los Angeles

12:00 pm - 10:58 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

24h 58m1 stop Dallas/Fort Worth

$2,102Qantas Airways

Wed, Sep 2 - Wed, Sep 30

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

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

Qantas Airways

Sep 28

BWI3:57 pmBaltimore/Washington

24h 58m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 5

SYD1:00 pmSydney Kingsford Smith

21h 26m

1 stop

BWI7:26 pmBaltimore/Washington

$1,289

Qantas Airways

Sep 29

BWI3:57 pmBaltimore/Washington

24h 58m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 6

SYD1:00 pmSydney Kingsford Smith

21h 26m

1 stop

BWI7:26 pmBaltimore/Washington

$1,295

Qantas Airways

Feb 1

BWI4:57 pmBaltimore/Washington

22h 33m

1 stop

BNE6:30 amBrisbane

Feb 17

BNE9:40 amBrisbane

22h 36m

1 stop

BWI5:16 pmBaltimore/Washington

$1,297

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 1

BWI8:37 amBaltimore/Washington

34h 23m

2 stops

BNE10:00 amBrisbane

Feb 17

BNE8:20 amBrisbane

37h 41m

2 stops

BWI7:01 amBaltimore/Washington

$1,259

Air New Zealand

Feb 1

BWI8:37 amBaltimore/Washington

34h 23m

2 stops

BNE10:00 amBrisbane

Feb 17

BNE8:20 amBrisbane

37h 41m

2 stops

BWI7:01 amBaltimore/Washington

$1,260

Air New Zealand

Jan 26

IAD10:05 amWashington, D.C. Dulles Intl

32h 30m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 17

SYD2:05 pmSydney Kingsford Smith

26h 45m

2 stops

IAD12:50 amWashington, D.C. Dulles Intl

$1,262

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

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 2/12

6:11 pm-9:35 am

2 stops47h 24m

Sydney Kingsford Smith

Sun 2/21

11:20 am-5:11 pm

2 stops45h 51m

$1,069

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 2/1

6:20 pm-9:35 am

2 stops47h 15m

Sydney Kingsford Smith

Mon 2/15

11:20 am-5:11 pm

2 stops45h 51m

$1,082

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Tue 2/9

2:46 pm-9:30 am

2 stops26h 44m

Melbourne

Tue 2/16

12:00 pm-12:16 am

2 stops28h 16m

$1,146

Quickest round-trip

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Tue 2/9

2:46 pm-9:30 am

2 stops26h 44m

Melbourne

Tue 2/16

12:00 pm-5:16 pm

1 stop21h 16m

$1,146

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 10/19

6:50 pm-9:15 am

1 stop23h 25m

Melbourne

Wed 11/4

11:30 am-8:38 pm

1 stop25h 08m

$1,153

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 10/19

6:50 pm-9:15 am

1 stop23h 25m

Melbourne

Wed 11/4

12:45 pm-11:08 pm

2 stops26h 23m

$1,153

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/1

8:37 am-10:00 am

2 stops34h 23m

Brisbane

Wed 2/17

8:20 am-7:01 am

2 stops37h 41m

$1,259

Washington, D.C.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Mon 2/1

7:00 am-10:00 am

2 stops36h 00m

Brisbane

Wed 2/17

8:20 am-12:50 am

2 stops31h 30m

$1,259

Washington, D.C.Brisbane

DCA Washington, D.C. Reagan-National - BNE Brisbane

DCABNE

Washington, D.C. Reagan-National

Mon 10/12

11:00 am-7:05 am

2 stops30h 05m

Brisbane

Mon 10/19

10:00 am-9:50 pm

2 stops25h 50m

$1,275

Washington, D.C.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Mon 10/12

4:00 pm-7:05 am

2 stops25h 05m

Brisbane

Mon 10/19

10:00 am-8:25 pm

2 stops24h 25m

$1,279

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 $1,368. 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 $1,632 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 $1,202 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

Best Price Found	$537
Fastest flight time	21h 40m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $537. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,069.

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 5 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
United Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,558 reviews	Search Air Canada flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 12,021 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,087 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,149	Free Cancellation	Rating 8.0 665 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,723 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.