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 25h 16m. 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 53% 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.

$543 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.

6:15 pm - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 20m2 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

$1,072Multiple Airlines

Mon, Nov 9 - Mon, Nov 23

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

58h 18m2 stops Seattle/Tacoma Intl Vancouver Intl

11:20 am - 5:12 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

45h 52m2 stops Vancouver Intl Seattle/Tacoma Intl

$1,081Multiple Airlines

Sat, Oct 17 - Mon, Nov 2

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

26h 44m2 stops Charlotte Douglas Los Angeles

10:45 pm - 10:57 amMEL Melbourne-BWI Baltimore/Washington

28h 12m2 stops Los Angeles Dallas/Fort Worth

$1,145American 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 - 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

2:11 pm - 8:50 amBWI Baltimore/Washington-MEL Melbourne

27h 39m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:10 am - 8:20 pmMEL Melbourne-BWI Baltimore/Washington

26h 10m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,164Delta

Wed, Oct 21 - Wed, Oct 28

8:05 am - 9:15 amBWI Baltimore/Washington-MEL Melbourne

34h 10m1 stop San Francisco

12:45 pm - 10:49 amMEL Melbourne-BWI Baltimore/Washington

38h 04m2 stops San Francisco Chicago O'Hare Intl

$1,256United Airlines

Sun, Oct 18 - Tue, Nov 3

8:05 am - 9:15 amBWI Baltimore/Washington-MEL Melbourne

34h 10m1 stop San Francisco

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

34h 03m1 stop San Francisco

$1,256United Airlines

Sun, Oct 18 - Tue, Nov 3

4:04 pm - 10:35 amBWI Baltimore/Washington-MEL Melbourne

27h 31m2 stops Dallas/Fort Worth Sydney Kingsford Smith

11:00 am - 7:16 pmMEL Melbourne-BWI Baltimore/Washington

24h 16m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,257Qantas Airways

Tue, Oct 20 - Fri, Nov 6

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

$1,287Qantas Airways

Wed, Oct 21 - Wed, Nov 18

1:00 pm - 8:30 amBWI Baltimore/Washington-BNE Brisbane

28h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 10:37 pmBNE Brisbane-BWI Baltimore/Washington

26h 57m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,299Delta

Mon, Feb 1 - Wed, Feb 17

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 am - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

32h 55m1 stop San Francisco

9:30 am - 4:35 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 05m1 stop Los Angeles

$1,231United Airlines

Sun, Aug 30 - Tue, Sep 15

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

22h 03m1 stop San Francisco

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

39h 25m2 stops San Francisco Houston George Bush Intcntl

$1,231United Airlines

Sun, Aug 30 - Tue, Sep 15

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

32h 51m1 stop Vancouver Intl

9:20 am - 6:30 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 10m1 stop Vancouver Intl

$1,252Air Canada

Sun, Aug 30 - Tue, Sep 15

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

32h 51m1 stop 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

$1,259Air Canada

Sun, Aug 30 - Tue, Sep 15

3:02 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

27h 43m2 stops Houston George Bush Intcntl Auckland Intl

9:55 am - 12:30 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 35m2 stops Auckland Intl Houston George Bush Intcntl

$1,356Air New Zealand

Fri, Aug 28 - Thu, Sep 3

3:04 pm - 8:45 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

27h 41m2 stops Houston George Bush Intcntl Auckland Intl

9:55 am - 4:28 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

44h 33m2 stops Auckland Intl Houston George Bush Intcntl

$1,415Air New Zealand

Thu, Aug 27 - Thu, Sep 10

7:17 pm - 7:50 amBWI Baltimore/Washington-MEL Melbourne

46h 33m2 stops Minneapolis St Paul Los Angeles

10:00 am - 6:18 amMEL Melbourne-BWI Baltimore/Washington

34h 18m2 stops Los Angeles Salt Lake City

$1,485Delta

Thu, Aug 27 - Wed, Sep 9

3:10 pm - 6:10 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

3:40 pm - 9:45 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,505Etihad Airways

Thu, Aug 27 - Sun, Sep 27

3:10 pm - 6:10 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

49h 00m1 stop Abu Dhabi Zayed Intl

3:40 pm - 9:45 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Abu Dhabi Zayed Intl

$1,506Etihad Airways

Thu, Aug 27 - Sun, Sep 27

12:27 pm - 6:50 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 23m2 stops Atlanta Hartsfield-Jackson Los Angeles

9:15 am - 3:31 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 16m1 stop Los Angeles

$1,629Delta

Sun, Aug 30 - Tue, Sep 15

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Cathay Pacific flights from Washington, D.C. to Australia

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

Cathay Pacific

Oct 8

DCA1:06 pmWashington, D.C. Reagan-National

43h 09m

2 stops

MEL11:15 pmMelbourne

Oct 25

MEL3:35 pmMelbourne

43h 24m

2 stops

DCA7:59 pmWashington, D.C. Reagan-National

$1,597

Cathay Pacific

Oct 5

DCA1:06 pmWashington, D.C. Reagan-National

43h 09m

2 stops

MEL11:15 pmMelbourne

Oct 12

MEL3:25 pmMelbourne

43h 34m

2 stops

DCA7:59 pmWashington, D.C. Reagan-National

$1,598

Cathay Pacific

Sep 9

DCA11:31 amWashington, D.C. Reagan-National

34h 14m

2 stops

SYD11:45 amSydney Kingsford Smith

Sep 24

SYD7:40 amSydney Kingsford Smith

30h 19m

2 stops

DCA11:59 pmWashington, D.C. Reagan-National

$1,632

Delta flights from Washington, D.C. to Australia

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

Delta

Oct 21

BWI2:11 pmBaltimore/Washington

27h 39m

2 stops

MEL8:50 amMelbourne

Oct 28

MEL9:10 amMelbourne

26h 10m

2 stops

BWI8:20 pmBaltimore/Washington

$1,164

Delta

Oct 17

BWI7:50 pmBaltimore/Washington

46h 00m

2 stops

MEL8:50 amMelbourne

Nov 7

MEL10:10 amMelbourne

30h 40m

2 stops

BWI12:50 amBaltimore/Washington

$1,214

Delta

Oct 17

BWI7:50 pmBaltimore/Washington

46h 00m

2 stops

MEL8:50 amMelbourne

Nov 7

MEL10:10 amMelbourne

30h 40m

2 stops

BWI12:50 amBaltimore/Washington

$1,215

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

Mon 11/9

6:15 pm-9:35 am

2 stops47h 20m

Sydney Kingsford Smith

Mon 11/23

11:20 am-5:40 am

2 stops34h 20m

$1,072

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 10/17

7:02 am-8:20 am

2 stops58h 18m

Sydney Kingsford Smith

Mon 11/2

11:20 am-5:12 pm

2 stops45h 52m

$1,081

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

10:45 pm-10:57 am

2 stops28h 12m

$1,145

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

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Wed 10/21

2:11 pm-8:50 am

2 stops27h 39m

Melbourne

Wed 10/28

9:10 am-8:20 pm

2 stops26h 10m

$1,164

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Sun 10/18

8:05 am-9:15 am

1 stop34h 10m

Melbourne

Tue 11/3

12:45 pm-10:49 am

2 stops38h 04m

$1,256

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Sun 10/18

8:05 am-9:15 am

1 stop34h 10m

Melbourne

Tue 11/3

12:45 pm-6:48 am

1 stop34h 03m

$1,256

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Tue 10/20

4:04 pm-10:35 am

2 stops27h 31m

Melbourne

Fri 11/6

11:00 am-7:16 pm

2 stops24h 16m

$1,257

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

$1,287

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/1

1:00 pm-8:30 am

2 stops28h 30m

Brisbane

Wed 2/17

10:40 am-10:37 pm

2 stops26h 57m

$1,299

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 May instead. Flights to Australia in May, while not as cheap as those in April, 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 $1,634 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

Best Price Found	$543
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 $543. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,072.

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 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 8,530 reviews	Search Delta flights
United Airlines	PriceFrom $357	Free Cancellation	Rating 7.4 10,124 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,539 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,993 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,261	Free Cancellation	Rating 8.0 664 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,731 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.