What is the cheapest airline that flies from Washington, D.C. to Australia?

Qantas Airways, American Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Australia

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 05m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 25h 40m. 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 50% 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.

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 September 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.

$577 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.

7:02 am - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

34h 33m2 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

$1,195Multiple Airlines

Mon, Nov 2 - Mon, Nov 9

6:15 pm - 8:20 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

47h 05m2 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

$1,196Multiple Airlines

Fri, Oct 16 - Mon, Nov 2

5:31 pm - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

48h 04m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 am - 7:09 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 49m2 stops Vancouver Intl Chicago O'Hare Intl

$1,230Air New Zealand

Sat, Nov 14 - Thu, Nov 19

5:31 pm - 9:35 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

48h 04m2 stops Chicago O'Hare Intl Vancouver Intl

11:20 am - 7:01 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

23h 41m2 stops Vancouver Intl Chicago O'Hare Intl

$1,239Air New Zealand

Sat, Nov 14 - Sat, Nov 21

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

23h 51m1 stop Dallas/Fort Worth

2:05 pm - 7:17 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

21h 12m1 stop Dallas/Fort Worth

$1,275Qantas Airways

Mon, Oct 26 - Mon, Nov 9

9:55 am - 9:35 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

31h 40m2 stops Toronto Pearson Intl Vancouver Intl

11:20 am - 8:23 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 03m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,275Air Canada

Mon, Nov 2 - Mon, Nov 9

8:45 pm - 9:35 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

44h 50m2 stops Toronto Pearson Intl Vancouver Intl

11:20 am - 6:18 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

22h 58m2 stops Vancouver Intl Toronto Pearson Intl

$1,279Air Canada

Mon, Nov 2 - Mon, Nov 9

8:15 am - 6:30 amBWI Baltimore/Washington-BNE Brisbane

32h 15m2 stops Denver Intl San Francisco

10:30 am - 10:34 pmBNE Brisbane-BWI Baltimore/Washington

26h 04m2 stops San Francisco Houston George Bush Intcntl

$1,282United 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

$1,282United Airlines

Tue, Mar 16 - Wed, Mar 31

4:04 pm - 12:40 pmBWI Baltimore/Washington-BNE Brisbane

30h 36m2 stops Dallas/Fort Worth Sydney Kingsford Smith

9:40 am - 7:17 pmBNE Brisbane-BWI Baltimore/Washington

24h 37m1 stop Dallas/Fort Worth

$1,288Qantas Airways

Sat, Oct 17 - Thu, Nov 12

Cheap last minute flights

Enter your travel dates to find the best prices.

9:40 am - 7:05 amDCA Washington, D.C. Reagan-National-BNE Brisbane

31h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

10:00 am - 10:20 amBNE Brisbane-DCA Washington, D.C. Reagan-National

38h 20m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,417Air Canada

Wed, Sep 23 - Wed, Sep 30

4:41 pm - 6:50 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles Los Angeles

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

20h 16m1 stop Los Angeles Los Angeles

$1,637Delta

Wed, Sep 23 - Wed, Sep 30

4:41 pm - 6:50 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

24h 09m1 stop Los Angeles Los Angeles

10:15 am - 3:29 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

20h 14m1 stop Los Angeles Los Angeles

$1,637Delta

Mon, Sep 28 - Tue, Oct 20

11:12 am - 6:45 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

29h 33m2 stops Orlando Los Angeles Los Angeles

9:45 am - 12:10 amMEL Melbourne-IAD Washington, D.C. Dulles Intl

28h 25m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,648Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

11:12 am - 7:30 amIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

30h 18m2 stops Orlando Los Angeles Los Angeles

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

32h 05m1 stop Abu Dhabi Zayed Intl

$1,670Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

12:10 pm - 7:30 amBWI Baltimore/Washington-MEL Melbourne

29h 20m2 stops Chicago O'Hare Intl Los Angeles Los Angeles

10:55 am - 9:02 pmMEL Melbourne-BWI Baltimore/Washington

24h 07m2 stops San Francisco Chicago O'Hare Intl

$1,679United Airlines

Wed, Sep 23 - Tue, Sep 29

7:00 am - 7:30 amBWI Baltimore/Washington-MEL Melbourne

34h 30m1 stop Los Angeles Los Angeles

10:55 am - 9:02 pmMEL Melbourne-BWI Baltimore/Washington

24h 07m2 stops San Francisco Chicago O'Hare Intl

$1,693United Airlines

Wed, Sep 23 - Tue, Sep 29

5:45 pm - 7:30 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

23h 45m1 stop Los Angeles Los Angeles

12:10 pm - 10:30 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

25h 20m2 stops Auckland Intl Houston George Bush Intcntl

$1,731Air New Zealand

Mon, Sep 28 - Wed, Oct 14

10:13 pm - 7:30 amIAD Washington, D.C. Dulles Intl-MEL Melbourne

43h 17m1 stop Los Angeles Los Angeles

12:10 pm - 10:30 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

25h 20m2 stops Auckland Intl Houston George Bush Intcntl

$1,752Air New Zealand

Sun, Sep 27 - Wed, Oct 14

9:40 am - 7:20 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

31h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

10:20 am - 9:50 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

26h 30m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,187Air Canada

Mon, Sep 28 - Tue, Oct 20

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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

Nov 14

BWI5:31 pmBaltimore/Washington

48h 04m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 19

SYD11:20 amSydney Kingsford Smith

23h 49m

2 stops

BWI7:09 pmBaltimore/Washington

$1,230

Air New Zealand

Nov 14

BWI5:31 pmBaltimore/Washington

48h 04m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 21

SYD11:20 amSydney Kingsford Smith

23h 41m

2 stops

BWI7:01 pmBaltimore/Washington

$1,239

Air New Zealand

Mar 9

BWI12:25 pmBaltimore/Washington

32h 25m

2 stops

SYD12:50 pmSydney Kingsford Smith

Mar 23

SYD9:55 amSydney Kingsford Smith

34h 57m

2 stops

BWI5:52 amBaltimore/Washington

$1,259

Air Canada flights from Washington, D.C. to Australia

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

Air Canada

Nov 2

IAD9:55 amWashington, D.C. Dulles Intl

31h 40m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 9

SYD11:20 amSydney Kingsford Smith

25h 03m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$1,275

Air Canada

Nov 2

DCA8:45 pmWashington, D.C. Reagan-National

44h 50m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 9

SYD11:20 amSydney Kingsford Smith

22h 58m

2 stops

DCA6:18 pmWashington, D.C. Reagan-National

$1,279

Air Canada

Mar 16

IAD9:55 amWashington, D.C. Dulles Intl

31h 50m

2 stops

BNE7:45 amBrisbane

Mar 31

BNE10:00 amBrisbane

24h 15m

2 stops

IAD8:15 pmWashington, D.C. Dulles Intl

$1,356

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 11/2

7:02 am-9:35 am

2 stops34h 33m

Sydney Kingsford Smith

Mon 11/9

11:20 am-5:40 am

2 stops34h 20m

$1,195

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 10/16

6:15 pm-8:20 am

2 stops47h 05m

Sydney Kingsford Smith

Mon 11/2

11:20 am-5:40 am

2 stops34h 20m

$1,196

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 11/14

5:31 pm-9:35 am

2 stops48h 04m

Sydney Kingsford Smith

Thu 11/19

11:20 am-7:09 pm

2 stops23h 49m

$1,230

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 11/14

5:31 pm-9:35 am

2 stops48h 04m

Sydney Kingsford Smith

Sat 11/21

11:20 am-7:01 pm

2 stops23h 41m

$1,239

Quickest round-trip

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 10/26

4:04 pm-6:55 am

1 stop23h 51m

Sydney Kingsford Smith

Mon 11/9

2:05 pm-7:17 pm

1 stop21h 12m

$1,275

Washington, D.C.Sydney

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

IADSYD

Washington, D.C. Dulles Intl

Mon 11/2

9:55 am-9:35 am

2 stops31h 40m

Sydney Kingsford Smith

Mon 11/9

11:20 am-8:23 pm

2 stops25h 03m

$1,275

Washington, D.C.Sydney

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

DCASYD

Washington, D.C. Reagan-National

Mon 11/2

8:45 pm-9:35 am

2 stops44h 50m

Sydney Kingsford Smith

Mon 11/9

11:20 am-6:18 pm

2 stops22h 58m

$1,279

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Tue 3/16

8:15 am-6:30 am

2 stops32h 15m

Brisbane

Wed 3/31

10:30 am-10:34 pm

2 stops26h 04m

$1,282

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

$1,282

BaltimoreBrisbane

BWI Baltimore/Washington - BNE Brisbane

BWIBNE

Baltimore/Washington

Sat 10/17

4:04 pm-12:40 pm

2 stops30h 36m

Brisbane

Thu 11/12

9:40 am-7:17 pm

1 stop24h 37m

$1,288

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 $1,390. 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 $1,630 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 $1,126 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	$577
Fastest flight time	22h 05m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $577. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,195.

The fastest flight from Washington, D.C. to Australia takes 22h 05m

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 September 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 10,229 reviews	Search United Airlines flights
Delta	PriceFrom $377	Free Cancellation	Rating 7.8 8,595 reviews	Search Delta flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,667 reviews	Search Air Canada flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.0 12,081 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,101 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,149	Free Cancellation	Rating 8.0 669 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,732 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.