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 30m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 24h 48m. 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 47% 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, United Airlines, and Alaska 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 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.

$632 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.

9:55 am - 7:05 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:00 am - 8:15 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

24h 15m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,094Air Canada

Mon, Mar 29 - Wed, Apr 14

1:19 pm - 9:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

28h 16m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 am - 11:16 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

39h 56m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,096Air Canada

Wed, Feb 3 - Wed, Feb 17

12:25 pm - 7:05 amBWI Baltimore/Washington-BNE Brisbane

28h 40m2 stops Houston George Bush Intcntl Vancouver Intl

10:00 am - 10:34 pmBNE Brisbane-BWI Baltimore/Washington

26h 34m2 stops Vancouver Intl Houston George Bush Intcntl

$1,140Multiple Airlines

Sun, Mar 28 - Thu, Apr 15

9:55 am - 7:05 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

31h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

8:40 pm - 8:09 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

37h 29m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,156Multiple Airlines

Sun, Mar 28 - Thu, Apr 15

1:17 pm - 9:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

28h 18m2 stops Ottawa Vancouver Intl

11:20 am - 9:05 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 45m1 stop Toronto Pearson Intl

$1,160Air New Zealand

Wed, Feb 3 - Wed, Feb 17

11:46 am - 6:30 amBWI Baltimore/Washington-BNE Brisbane

27h 44m1 stop Dallas/Fort Worth

9:40 am - 3:00 pmBNE Brisbane-BWI Baltimore/Washington

20h 20m1 stop Dallas/Fort Worth

$1,196Qantas Airways

Fri, Nov 27 - Fri, Dec 4

11:50 am - 6:30 amBWI Baltimore/Washington-BNE Brisbane

27h 40m1 stop Dallas/Fort Worth

1:05 pm - 10:49 pmBNE Brisbane-BWI Baltimore/Washington

23h 44m2 stops Los Angeles Dallas/Fort Worth

$1,214American Airlines

Thu, Mar 4 - Sun, Mar 28

11:50 am - 6:30 amBWI Baltimore/Washington-BNE Brisbane

27h 40m1 stop Dallas/Fort Worth

1:10 pm - 10:49 pmBNE Brisbane-BWI Baltimore/Washington

23h 39m2 stops Los Angeles Dallas/Fort Worth

$1,214American Airlines

Sat, Mar 13 - Tue, Mar 23

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

$1,215Qantas Airways

Mon, Feb 1 - Wed, Feb 17

6:10 am - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

35h 25m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 am - 10:29 amSYD Sydney Kingsford Smith-BWI Baltimore/Washington

39h 09m2 stops Vancouver Intl Chicago O'Hare Intl

$1,295Air New Zealand

Sun, Nov 8 - Sun, Nov 22

Cheap last minute flights

Enter your travel dates to find the best prices.

8:52 am - 6:45 amDCA Washington, D.C. Reagan-National-MEL Melbourne

30h 53m1 stop Los Angeles

12:00 pm - 6:56 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

21h 56m1 stop Dallas/Fort Worth

$1,256American Airlines

Tue, Oct 20 - Tue, Oct 27

10:35 am - 6:45 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

29h 10m2 stops Charlotte Douglas Los Angeles

12:00 pm - 11:23 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

26h 23m1 stop Dallas/Fort Worth

$1,260American Airlines

Tue, Oct 20 - Tue, Oct 27

5:35 pm - 8:05 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

23h 30m1 stop Los Angeles

1:05 pm - 9:45 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

23h 40m1 stop Dallas/Fort Worth

$1,269Qantas Airways

Tue, Oct 20 - Tue, Oct 27

4:59 pm - 5:00 amDCA Washington, D.C. Reagan-National-MEL Melbourne

45h 01m1 stop Dallas/Fort Worth

10:45 pm - 8:00 pmMEL Melbourne-DCA Washington, D.C. Reagan-National

36h 15m1 stop Los Angeles

$1,317Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

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

24h 25m1 stop Los Angeles

11:15 am - 4:00 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 45m1 stop Los Angeles

$1,319Multiple Airlines

Sat, Oct 24 - Mon, Nov 2

6:10 am - 7:00 amBWI Baltimore/Washington-MEL Melbourne

33h 50m2 stops Detroit Metropolitan Wayne County Los Angeles

10:10 am - 8:52 pmMEL Melbourne-BWI Baltimore/Washington

26h 42m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,334Delta

Sun, Oct 25 - Tue, Nov 10

12:45 pm - 7:00 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

27h 15m1 stop Houston George Bush Intcntl

9:15 am - 4:25 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 10m1 stop Houston George Bush Intcntl

$1,335United Airlines

Sun, Oct 25 - Mon, Nov 9

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

23h 56m1 stop San Francisco

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

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

$1,339United Airlines

Sun, Oct 25 - Tue, Nov 10

9:50 am - 7:20 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

30h 30m2 stops Detroit Metropolitan Wayne County Los Angeles

10:40 am - 11:23 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

28h 43m2 stops Los Angeles Minneapolis St Paul

$1,342Delta

Sun, Oct 25 - Mon, Nov 9

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

23h 51m1 stop Dallas/Fort Worth

7:20 am - 3:07 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 47m2 stops Brisbane Dallas/Fort Worth

$1,370Qantas Airways

Sun, Oct 25 - Mon, Nov 9

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Washington, D.C. to Australia

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

Delta

Feb 7

DCA4:35 pmWashington, D.C. Reagan-National

22h 15m

1 stop

SYD6:50 amSydney Kingsford Smith

Feb 17

SYD10:40 amSydney Kingsford Smith

21h 01m

1 stop

DCA3:41 pmWashington, D.C. Reagan-National

$1,137

Delta

Feb 7

DCA1:45 pmWashington, D.C. Reagan-National

25h 05m

2 stops

SYD6:50 amSydney Kingsford Smith

Feb 15

SYD10:40 amSydney Kingsford Smith

21h 01m

1 stop

DCA3:41 pmWashington, D.C. Reagan-National

$1,142

Delta

Nov 27

BWI12:18 pmBaltimore/Washington

29h 12m

2 stops

BNE8:30 amBrisbane

Dec 4

BNE10:40 amBrisbane

28h 04m

2 stops

BWI11:44 pmBaltimore/Washington

$1,217

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

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

Qantas Airways

Nov 27

BWI11:46 amBaltimore/Washington

27h 44m

1 stop

BNE6:30 amBrisbane

Dec 4

BNE9:40 amBrisbane

20h 20m

1 stop

BWI3:00 pmBaltimore/Washington

$1,196

Qantas Airways

Mar 13

BWI11:50 amBaltimore/Washington

27h 40m

1 stop

BNE6:30 amBrisbane

Mar 20

BNE9:40 amBrisbane

22h 27m

1 stop

BWI6:07 pmBaltimore/Washington

$1,248

Qantas Airways

Feb 9

BWI12:39 pmBaltimore/Washington

24h 21m

1 stop

MEL5:00 amMelbourne

Feb 25

MEL6:00 amMelbourne

28h 07m

2 stops

BWI6:07 pmBaltimore/Washington

$1,266

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.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Mon 3/29

9:55 am-7:05 am

2 stops31h 10m

Brisbane

Wed 4/14

10:00 am-8:15 pm

2 stops24h 15m

$1,094

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 2/3

1:19 pm-9:35 am

2 stops28h 16m

Sydney Kingsford Smith

Wed 2/17

11:20 am-11:16 am

2 stops39h 56m

$1,096

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Sun 3/28

12:25 pm-7:05 am

2 stops28h 40m

Brisbane

Thu 4/15

10:00 am-10:34 pm

2 stops26h 34m

$1,140

Washington, D.C.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Sun 3/28

9:55 am-7:05 am

2 stops31h 10m

Brisbane

Thu 4/15

8:40 pm-8:09 pm

3 stops37h 29m

$1,156

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Wed 2/3

1:17 pm-9:35 am

2 stops28h 18m

Sydney Kingsford Smith

Wed 2/17

11:20 am-9:05 pm

1 stop25h 45m

$1,160

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Fri 11/27

11:46 am-6:30 am

1 stop27h 44m

Brisbane

Fri 12/4

9:40 am-3:00 pm

1 stop20h 20m

$1,196

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Thu 3/4

11:50 am-6:30 am

1 stop27h 40m

Brisbane

Sun 3/28

1:05 pm-10:49 pm

2 stops23h 44m

$1,214

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Sat 3/13

11:50 am-6:30 am

1 stop27h 40m

Brisbane

Tue 3/23

1:10 pm-10:49 pm

2 stops23h 39m

$1,214

Quickest round-trip

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

$1,215

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sun 11/8

6:10 am-9:35 am

2 stops35h 25m

Sydney Kingsford Smith

Sun 11/22

11:20 am-10:29 am

2 stops39h 09m

$1,295

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 $1,387. 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 $1,608 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.

Can stopping save me money on Washington, D.C. to Australia flights?

You could potentially save up to 12% 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	$632
Fastest flight time	21h 51m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $632. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,094.

The fastest flight from Washington, D.C. to Australia takes 21h 51m

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 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 7.3 10,388 reviews	Search United Airlines flights
Delta	PriceFrom $377	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,784 reviews	Search Air Canada flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.0 12,182 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,114 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,230	Free Cancellation	Rating 8.0 675 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,712 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.