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 23h on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 23h 50m. 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 49% 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?

United Airlines, Delta, and Cathay Pacific 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 7 as of October 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.

$570 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.

4:10 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

24h 20m2 stops Denver Intl San Francisco

10:30 am - 11:00 pmBNE Brisbane-BWI Baltimore/Washington

26h 30m2 stops San Francisco Denver Intl

$1,104United Airlines

Tue, Mar 16 - Wed, Mar 31

12:25 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

28h 05m2 stops Houston George Bush Intcntl San Francisco

10:30 am - 5:17 pmBNE Brisbane-BWI Baltimore/Washington

20h 47m1 stop San Francisco

$1,104United Airlines

Tue, Mar 16 - Wed, Mar 31

4:59 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

22h 31m1 stop Dallas/Fort Worth

9:40 am - 6:07 pmBNE Brisbane-BWI Baltimore/Washington

23h 27m1 stop Dallas/Fort Worth

$1,115Qantas Airways

Mon, Feb 1 - Wed, Feb 17

7:14 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

21h 16m1 stop Dallas/Fort Worth

1:10 pm - 10:54 pmBNE Brisbane-BWI Baltimore/Washington

23h 44m2 stops Los Angeles Dallas/Fort Worth

$1,115American Airlines

Sat, Oct 24 - Sat, Oct 31

11:02 am - 8:30 amBWI Baltimore/Washington-BNE Brisbane

30h 28m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 9:24 pmBNE Brisbane-BWI Baltimore/Washington

25h 44m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,117Delta

Wed, Nov 4 - Sun, Nov 22

2:11 pm - 8:30 amBWI Baltimore/Washington-BNE Brisbane

27h 19m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 9:41 pmBNE Brisbane-BWI Baltimore/Washington

26h 01m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,117Delta

Mon, Nov 2 - Wed, Nov 25

7:00 am - 12:35 pmDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

37h 35m3 stops Denver Intl Los Angeles Nadi

6:00 am - 12:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

46h 59m3 stops Nadi Los Angeles Denver Intl

$1,118Multiple Airlines

Fri, Nov 6 - Thu, Nov 26

7:00 am - 12:35 pmDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

37h 35m3 stops Denver Intl Los Angeles Nadi

2:00 pm - 12:59 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

38h 59m3 stops Nadi Los Angeles Denver Intl

$1,129Multiple Airlines

Wed, Nov 11 - Thu, Nov 26

4:59 pm - 11:05 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

26h 06m2 stops Dallas/Fort Worth Brisbane

2:05 pm - 6:07 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

20h 02m1 stop Dallas/Fort Worth

$1,130Qantas Airways

Wed, Feb 10 - Mon, Mar 8

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

$1,219American Airlines

Mon, Oct 19 - Tue, Nov 3

Cheap last minute flights

Enter your travel dates to find the best prices.

10:21 am - 7:50 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

30h 29m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:15 am - 6:31 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 16m2 stops Los Angeles Minneapolis St Paul

$1,567Delta

Thu, Oct 15 - Wed, Oct 21

4:15 pm - 7:55 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

24h 40m1 stop San Francisco

9:55 am - 11:02 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 07m2 stops Auckland Intl Houston George Bush Intcntl

$1,590Air New Zealand

Sun, Oct 11 - Sun, Oct 25

6:37 pm - 7:55 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

22h 18m1 stop San Francisco

9:55 am - 11:02 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

28h 07m2 stops Auckland Intl Houston George Bush Intcntl

$1,590Air New Zealand

Mon, Oct 12 - Sun, Oct 25

6:00 am - 9:40 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

36h 40m2 stops Los Angeles Hong Kong Intl

8:45 am - 11:23 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

29h 38m2 stops Hong Kong Intl Dallas/Fort Worth

$1,606Multiple Airlines

Wed, Oct 14 - Wed, Oct 28

5:43 pm - 8:30 amBWI Baltimore/Washington-MEL Melbourne

23h 47m1 stop Los Angeles

12:45 pm - 5:34 amMEL Melbourne-BWI Baltimore/Washington

32h 49m2 stops San Francisco Los Angeles

$1,607United Airlines

Mon, Oct 12 - Thu, Nov 12

11:55 am - 9:15 amBWI Baltimore/Washington-MEL Melbourne

30h 20m2 stops Chicago O'Hare Intl San Francisco

12:45 pm - 9:05 pmMEL Melbourne-BWI Baltimore/Washington

24h 20m2 stops San Francisco Los Angeles

$1,607United Airlines

Mon, Oct 12 - Thu, Nov 12

5:36 pm - 8:50 amBWI Baltimore/Washington-MEL Melbourne

48h 14m2 stops Detroit Metropolitan Wayne County Los Angeles

9:10 am - 12:51 amMEL Melbourne-BWI Baltimore/Washington

30h 41m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,627Delta

Sat, Oct 10 - Sat, Oct 31

6:00 am - 8:45 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

47h 45m2 stops Los Angeles Hong Kong Intl

10:20 pm - 5:40 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

46h 20m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,700Cathay Pacific

Thu, Oct 15 - Wed, Oct 21

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

26h 05m1 stop Dallas/Fort Worth

12:00 pm - 10:53 pmMEL Melbourne-BWI Baltimore/Washington

26h 53m1 stop Dallas/Fort Worth

$1,729American Airlines

Mon, Oct 12 - Thu, Nov 12

3:08 pm - 6:55 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

24h 47m1 stop Dallas/Fort Worth

12:00 pm - 10:52 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

24h 52m1 stop Dallas/Fort Worth

$2,320American Airlines

Mon, Oct 12 - Thu, Aug 26

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

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

American Airlines

Oct 17

BWI11:40 amBaltimore/Washington

27h 20m

2 stops

BNE5:00 amBrisbane

Nov 12

BNE1:10 pmBrisbane

25h 45m

2 stops

BWI11:55 pmBaltimore/Washington

$1,108

American Airlines

Oct 19

BWI7:00 amBaltimore/Washington

31h 00m

1 stop

MEL5:00 amMelbourne

Nov 3

MEL12:00 pmMelbourne

26h 36m

1 stop

BWI10:36 pmBaltimore/Washington

$1,219

American Airlines

Nov 4

BWI3:57 pmBaltimore/Washington

22h 58m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 11

SYD2:05 pmSydney Kingsford Smith

24h 48m

1 stop

BWI10:53 pmBaltimore/Washington

$1,234

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

IAD2:39 pmWashington, D.C. Dulles Intl

28h 21m

2 stops

BNE10:00 amBrisbane

Feb 17

BNE8:20 amBrisbane

27h 15m

2 stops

IAD8:35 pmWashington, D.C. Dulles Intl

$1,241

Air New Zealand

Feb 10

IAD8:22 amWashington, D.C. Dulles Intl

34h 13m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 17

SYD9:55 amSydney Kingsford Smith

26h 40m

2 stops

IAD8:35 pmWashington, D.C. Dulles Intl

$1,243

Air New Zealand

Feb 8

IAD6:00 amWashington, D.C. Dulles Intl

34h 35m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 14

SYD9:55 amSydney Kingsford Smith

27h 17m

2 stops

IAD9:12 pmWashington, D.C. Dulles Intl

$1,252

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

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Tue 3/16

4:10 pm-6:30 am

2 stops24h 20m

Brisbane

Wed 3/31

10:30 am-11:00 pm

2 stops26h 30m

$1,104

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Tue 3/16

12:25 pm-6:30 am

2 stops28h 05m

Brisbane

Wed 3/31

10:30 am-5:17 pm

1 stop20h 47m

$1,104

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 2/1

4:59 pm-6:30 am

1 stop22h 31m

Brisbane

Wed 2/17

9:40 am-6:07 pm

1 stop23h 27m

$1,115

Quickest round-trip

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Sat 10/24

7:14 pm-6:30 am

1 stop21h 16m

Brisbane

Sat 10/31

1:10 pm-10:54 pm

2 stops23h 44m

$1,115

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Wed 11/4

11:02 am-8:30 am

2 stops30h 28m

Brisbane

Sun 11/22

10:40 am-9:24 pm

2 stops25h 44m

$1,117

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Mon 11/2

2:11 pm-8:30 am

2 stops27h 19m

Brisbane

Wed 11/25

10:40 am-9:41 pm

2 stops26h 01m

$1,117

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Fri 11/6

7:00 am-12:35 pm

3 stops37h 35m

Sydney Kingsford Smith

Thu 11/26

6:00 am-12:59 pm

3 stops46h 59m

$1,118

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Wed 11/11

7:00 am-12:35 pm

3 stops37h 35m

Sydney Kingsford Smith

Thu 11/26

2:00 pm-12:59 pm

3 stops38h 59m

$1,129

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 2/10

4:59 pm-11:05 am

2 stops26h 06m

Sydney Kingsford Smith

Mon 3/8

2:05 pm-6:07 pm

1 stop20h 02m

$1,130

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Mon 10/19

7:00 am-5:00 am

1 stop31h 00m

Melbourne

Tue 11/3

12:00 pm-10:36 pm

1 stop26h 36m

$1,219

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 November is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $1,369. If you aren’t able to travel during the month of November, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in November, still average around $1,390.

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 $1,613 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.

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	$570
Fastest flight time	22h 31m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $570. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,104.

The fastest flight from Washington, D.C. to Australia takes 22h 31m

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 7 as of October 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 10,324 reviews	Search United Airlines flights
Delta	PriceFrom $377	Free Cancellation	Rating 7.8 8,646 reviews	Search Delta flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,748 reviews	Search Air Canada flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.0 12,146 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,104 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 671 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,724 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.