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

United Airlines, Qantas Airways, and American Airlines 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.

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 43m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 23h 25m. Keep in mind that layovers or delays could extend your travel time.

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 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.

$578 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.

10:22 am - 12:00 pmBWI Baltimore/Washington-MEL Melbourne

35h 38m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

2:25 pm - 5:30 pmMEL Melbourne-BWI Baltimore/Washington

42h 05m3 stops Nadi Los Angeles Orlando

$1,047Multiple Airlines

Wed, Sep 30 - Wed, Oct 7

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

$1,081Multiple Airlines

Mon, Mar 1 - Wed, Mar 10

11:52 am - 9:30 amBWI Baltimore/Washington-MEL Melbourne

29h 38m2 stops Dallas/Fort Worth Los Angeles

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

28h 12m2 stops Los Angeles Dallas/Fort Worth

$1,146American Airlines

Tue, Feb 9 - Tue, Feb 16

9:38 am - 5:00 amBWI Baltimore/Washington-MEL Melbourne

28h 22m2 stops Charlotte Douglas Dallas/Fort Worth

10:45 pm - 11:05 amMEL Melbourne-BWI Baltimore/Washington

27h 20m2 stops Los Angeles Dallas/Fort Worth

$1,146American Airlines

Wed, Oct 21 - Wed, Oct 28

5:43 pm - 7:30 amBWI Baltimore/Washington-MEL Melbourne

23h 47m1 stop Los Angeles

10:30 am - 4:37 pmMEL Melbourne-BWI Baltimore/Washington

21h 07m1 stop Los Angeles

$1,155United Airlines

Wed, Sep 30 - Wed, Oct 7

5:43 pm - 7:30 amBWI Baltimore/Washington-MEL Melbourne

23h 47m1 stop Los Angeles

11:55 am - 10:59 pmMEL Melbourne-BWI Baltimore/Washington

26h 04m2 stops San Francisco Chicago O'Hare Intl

$1,155United Airlines

Wed, Sep 30 - Wed, Oct 7

7:45 am - 10:00 amDCA Washington, D.C. Reagan-National-BNE Brisbane

35h 15m2 stops San Francisco Auckland Intl

8:20 am - 9:53 pmBNE Brisbane-DCA Washington, D.C. Reagan-National

28h 33m2 stops Auckland Intl San Francisco

$1,258Air New Zealand

Tue, Jan 26 - Tue, Feb 16

12:35 pm - 10:00 amIAD Washington, D.C. Dulles Intl-BNE Brisbane

30h 25m2 stops Los Angeles Auckland Intl

8:20 am - 10:43 pmBNE Brisbane-IAD Washington, D.C. Dulles Intl

29h 23m2 stops Auckland Intl San Francisco

$1,258Air New Zealand

Tue, Jan 26 - Tue, Feb 16

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

23h 51m1 stop Dallas/Fort Worth

1:05 pm - 10:54 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 49m1 stop Dallas/Fort Worth

$1,266Qantas Airways

Tue, Oct 20 - Tue, Oct 27

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

23h 51m1 stop Dallas/Fort Worth

1:05 pm - 10:54 pmSYD Sydney Kingsford Smith-BWI Baltimore/Washington

24h 49m1 stop Dallas/Fort Worth

$1,274Qantas Airways

Tue, Oct 20 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

11:12 am - 10:25 pmIAD Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith

45h 13m3 stops Orlando Los Angeles Nadi

1:15 pm - 10:17 amSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

35h 02m3 stops Nadi Los Angeles Orlando

$1,275Multiple Airlines

Sat, Sep 12 - Mon, Sep 28

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

$1,358Air Canada

Tue, Sep 8 - Wed, Sep 16

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

32h 51m1 stop Vancouver Intl

9:20 am - 9:18 pmSYD Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl

25h 58m2 stops Vancouver Intl Calgary

$1,358Air Canada

Tue, Sep 8 - Wed, Sep 16

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

$1,423Etihad Airways

Thu, Sep 10 - Wed, Sep 23

12:55 pm - 7:20 amDCA Washington, D.C. Reagan-National-SYD Sydney Kingsford Smith

28h 25m2 stops Ottawa Vancouver Intl

9:20 am - 10:34 pmSYD Sydney Kingsford Smith-DCA Washington, D.C. Reagan-National

27h 14m1 stop Toronto Pearson Intl

$1,466Air New Zealand

Tue, Sep 8 - Wed, Sep 16

8:00 am - 9:35 pmIAD Washington, D.C. Dulles Intl-MEL Melbourne

47h 35m2 stops Los Angeles Auckland Intl

10:30 am - 4:21 pmMEL Melbourne-IAD Washington, D.C. Dulles Intl

20h 51m1 stop Los Angeles

$1,595Air New Zealand

Sun, Sep 13 - Wed, Oct 7

3:57 pm - 6:55 amBWI Baltimore/Washington-SYD Sydney Kingsford Smith

24h 58m1 stop Dallas/Fort Worth

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

23h 29m1 stop Dallas/Fort Worth

$1,978Qantas Airways

Wed, Sep 9 - Wed, Sep 30

6:52 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

21h 38m1 stop San Francisco

10:20 am - 5:26 pmBNE Brisbane-BWI Baltimore/Washington

21h 06m1 stop San Francisco

$2,009United Airlines

Sun, Sep 13 - Sat, Oct 31

6:52 pm - 6:30 amBWI Baltimore/Washington-BNE Brisbane

21h 38m1 stop San Francisco

10:20 am - 5:26 pmBNE Brisbane-BWI Baltimore/Washington

21h 06m1 stop San Francisco

$2,009United Airlines

Sun, Sep 13 - Mon, Oct 26

11:59 am - 10:20 amBWI Baltimore/Washington-BNE Brisbane

32h 21m2 stops Dallas/Fort Worth Melbourne

9:40 am - 10:54 pmBNE Brisbane-BWI Baltimore/Washington

27h 14m1 stop Dallas/Fort Worth

$2,080Qantas Airways

Sat, Sep 12 - Tue, Oct 27

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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

Oct 20

BWI4:04 pmBaltimore/Washington

23h 51m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 27

SYD1:05 pmSydney Kingsford Smith

24h 49m

1 stop

BWI10:54 pmBaltimore/Washington

$1,266

Qantas Airways

Oct 20

BWI4:04 pmBaltimore/Washington

23h 51m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 27

SYD1:05 pmSydney Kingsford Smith

24h 49m

1 stop

BWI10:54 pmBaltimore/Washington

$1,274

Qantas Airways

Oct 20

BWI4:04 pmBaltimore/Washington

23h 51m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 27

SYD1:05 pmSydney Kingsford Smith

24h 49m

1 stop

BWI10:54 pmBaltimore/Washington

$1,282

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

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

Air Canada

Oct 21

IAD12:43 pmWashington, D.C. Dulles Intl

28h 37m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 28

SYD10:20 amSydney Kingsford Smith

25h 03m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$1,276

Air Canada

Oct 21

IAD12:43 pmWashington, D.C. Dulles Intl

28h 37m

3 stops

SYD8:20 amSydney Kingsford Smith

Oct 28

SYD10:20 amSydney Kingsford Smith

25h 03m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$1,284

Air Canada

Nov 4

IAD1:19 pmWashington, D.C. Dulles Intl

28h 16m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 26

SYD11:20 amSydney Kingsford Smith

40h 08m

3 stops

IAD11:28 amWashington, D.C. Dulles Intl

$1,317

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

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Wed 9/30

10:22 am-12:00 pm

3 stops35h 38m

Melbourne

Wed 10/7

2:25 pm-5:30 pm

3 stops42h 05m

$1,047

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Mon 3/1

6:11 pm-9:35 am

2 stops47h 24m

Sydney Kingsford Smith

Wed 3/10

11:20 am-5:11 pm

2 stops45h 51m

$1,081

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Tue 2/9

11:52 am-9:30 am

2 stops29h 38m

Melbourne

Tue 2/16

10:45 pm-10:57 am

2 stops28h 12m

$1,146

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Wed 10/21

9:38 am-5:00 am

2 stops28h 22m

Melbourne

Wed 10/28

10:45 pm-11:05 am

2 stops27h 20m

$1,146

Quickest round-trip

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Wed 9/30

5:43 pm-7:30 am

1 stop23h 47m

Melbourne

Wed 10/7

10:30 am-4:37 pm

1 stop21h 07m

$1,155

BaltimoreMelbourne

BWI Baltimore/Washington - MEL Melbourne

BWIMEL

Baltimore/Washington

Wed 9/30

5:43 pm-7:30 am

1 stop23h 47m

Melbourne

Wed 10/7

11:55 am-10:59 pm

2 stops26h 04m

$1,155

Washington, D.C.Brisbane

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

DCABNE

Washington, D.C. Reagan-National

Tue 1/26

7:45 am-10:00 am

2 stops35h 15m

Brisbane

Tue 2/16

8:20 am-9:53 pm

2 stops28h 33m

$1,258

Washington, D.C.Brisbane

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

IADBNE

Washington, D.C. Dulles Intl

Tue 1/26

12:35 pm-10:00 am

2 stops30h 25m

Brisbane

Tue 2/16

8:20 am-10:43 pm

2 stops29h 23m

$1,258

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 10/20

4:04 pm-6:55 am

1 stop23h 51m

Sydney Kingsford Smith

Tue 10/27

1:05 pm-10:54 pm

1 stop24h 49m

$1,266

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 10/20

4:04 pm-6:55 am

1 stop23h 51m

Sydney Kingsford Smith

Tue 10/27

1:05 pm-10:54 pm

1 stop24h 49m

$1,274

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 $1,637 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	$578
Fastest flight time	22h 43m
Direct flights	None

The best one-way flight to Australia from Washington, D.C. in the past 72 hours is $578. The best round-trip flight deal from Washington, D.C. to Australia found on momondo in the last 72 hours is $1,047.

The fastest flight from Washington, D.C. to Australia takes 22h 43m

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 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 10,179 reviews	Search United Airlines flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 11,595 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $878	Free Cancellation	Rating 7.5 1,090 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,149	Free Cancellation	Rating 8.0 668 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,734 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.