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 41m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 24h 52m. Keep in mind that layovers or delays could extend your travel time.

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

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

What airlines fly to Australia?

United Airlines, American Airlines and Qantas Airways 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 42% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 8 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 December 2025.

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.

$529 Cheap Flights from Washington, D.C. to Australia in 2025/26

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:59 pm - 9:00 am

DCA

SYD

24h 01m1 stop

9:25 pm - 5:59 pm

SYD

DCA

36h 34m1 stop

$949Qantas Airways

Sat, Feb 21 - Tue, Mar 3

4:59 pm - 7:30 am

DCA

SYD

23h 31m1 stop

9:10 am - 8:53 pm

SYD

DCA

25h 43m1 stop

$958American Airlines

Wed, Apr 1 - Tue, Apr 28

11:22 am - 9:00 am

IAD

SYD

29h 38m2 stops

9:10 am - 11:59 pm

SYD

IAD

28h 49m2 stops

$962American Airlines

Tue, Feb 17 - Tue, May 26

8:16 am - 7:05 am

DCA

SYD

32h 49m1 stop

9:10 am - 8:53 pm

SYD

DCA

25h 43m1 stop

$963Qantas Airways

Sat, May 2 - Sat, May 9

6:00 am - 8:45 am

DCA

BNE

35h 45m2 stops

10:45 am - 9:58 pm

BNE

DCA

26h 13m2 stops

$1,006Air Canada

Tue, Jan 27 - Tue, Feb 24

9:45 am - 8:45 am

IAD

BNE

32h 00m2 stops

10:45 am - 8:54 pm

BNE

IAD

25h 09m2 stops

$1,006Air Canada

Tue, Jan 27 - Tue, Feb 24

8:07 am - 7:30 am

BWI

BNE

32h 23m2 stops

11:40 am - 7:27 am

BNE

BWI

34h 47m1 stop

$1,031United Airlines

Fri, Feb 6 - Sun, Feb 22

6:34 pm - 7:30 am

BWI

BNE

21h 56m1 stop

11:40 am - 10:25 pm

BNE

BWI

25h 45m2 stops

$1,038United Airlines

Sat, Jan 31 - Wed, Feb 4

11:45 am - 8:20 am

BWI

BNE

29h 35m2 stops

10:40 am - 12:35 am

BNE

BWI

28h 55m2 stops

$1,042Delta

Fri, Feb 6 - Sun, Feb 22

7:06 pm - 8:00 am

BWI

MEL

44h 54m2 stops

10:00 am - 10:03 pm

MEL

BWI

26h 03m2 stops

$1,217Delta

Tue, Mar 3 - Sun, Apr 19

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

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

Qantas Airways

Feb 21

DCA4:59 pmWashington, D.C. Reagan-National

24h 01m

1 stop

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD9:25 pmSydney Kingsford Smith

36h 34m

1 stop

DCA5:59 pmWashington, D.C. Reagan-National

$949

Find similar

Qantas Airways

Feb 24

DCA8:30 amWashington, D.C. Reagan-National

30h 55m

1 stop

SYD7:25 amSydney Kingsford Smith

Mar 17

SYD5:45 pmSydney Kingsford Smith

37h 14m

1 stop

DCA3:59 pmWashington, D.C. Reagan-National

$973

Find similar

Qantas Airways

Jan 31

DCA8:40 amWashington, D.C. Reagan-National

32h 20m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 10

SYD5:45 pmSydney Kingsford Smith

42h 15m

1 stop

DCA8:00 pmWashington, D.C. Reagan-National

$1,011

Find similar

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

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

American Airlines

Feb 17

IAD11:22 amWashington, D.C. Dulles Intl

29h 38m

2 stops

SYD9:00 amSydney Kingsford Smith

May 26

SYD9:10 amSydney Kingsford Smith

28h 49m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

$962

Find similar

American Airlines

Feb 24

IAD3:13 pmWashington, D.C. Dulles Intl

25h 47m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 24

SYD5:45 pmSydney Kingsford Smith

30h 03m

2 stops

IAD8:48 amWashington, D.C. Dulles Intl

$963

Find similar

American Airlines

Feb 20

IAD2:06 pmWashington, D.C. Dulles Intl

26h 54m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD11:20 amSydney Kingsford Smith

27h 28m

2 stops

IAD10:48 pmWashington, D.C. Dulles Intl

$985

Find similar

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

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 2/21

4:59 pm-9:00 am

1 stop24h 01m

Sydney Kingsford Smith

Tue 3/3

9:25 pm-5:59 pm

1 stop36h 34m

$949

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/1

4:59 pm-7:30 am

1 stop23h 31m

Sydney Kingsford Smith

Tue 4/28

9:10 am-8:53 pm

1 stop25h 43m

$958

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 2/17

11:22 am-9:00 am

2 stops29h 38m

Sydney Kingsford Smith

Tue 5/26

9:10 am-11:59 pm

2 stops28h 49m

$962

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 5/2

8:16 am-7:05 am

1 stop32h 49m

Sydney Kingsford Smith

Sat 5/9

9:10 am-8:53 pm

1 stop25h 43m

$963

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 1/27

6:00 am-8:45 am

2 stops35h 45m

Brisbane

Tue 2/24

10:45 am-9:58 pm

2 stops26h 13m

$1,006

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 1/27

9:45 am-8:45 am

2 stops32h 00m

Brisbane

Tue 2/24

10:45 am-8:54 pm

2 stops25h 09m

$1,006

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 2/6

8:07 am-7:30 am

2 stops32h 23m

Brisbane

Sun 2/22

11:40 am-7:27 am

1 stop34h 47m

$1,031

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 1/31

6:34 pm-7:30 am

1 stop21h 56m

Brisbane

Wed 2/4

11:40 am-10:25 pm

2 stops25h 45m

$1,038

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 2/6

11:45 am-8:20 am

2 stops29h 35m

Brisbane

Sun 2/22

10:40 am-12:35 am

2 stops28h 55m

$1,042

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 3/3

7:06 pm-8:00 am

2 stops44h 54m

Melbourne

Sun 4/19

10:00 am-10:03 pm

2 stops26h 03m

$1,217

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 August is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $862. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in August, still average around $864.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Washington, D.C. to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,260. On the other hand, Monday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,520.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,368 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,647 on average. Flights to Australia from Washington, D.C. in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $1,281 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 $623 on momondo.

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

You could potentially save up to 8% 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

Fastest flight time	21h 38m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 38m

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

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 December 2025.
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 $276	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
United Airlines	PriceFrom $327	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $682	Free Cancellation	Rating 7.5 951 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $818	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,257	Free Cancellation	Rating 8.0 557 reviews	Search Air New Zealand flights
ANA	PriceFrom $1,370	Free Cancellation	Rating 8.4 1,041 reviews	Search ANA flights
Qatar Airways	PriceFrom $1,961	Free Cancellation	Rating 7.4 3,690 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.

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Find better results for your trip to Australia

Popular cities in Australia

Flights to Sydneyfrom $698

Flights to Melbournefrom $664

Flights to Brisbanefrom $689

Flights to Perthfrom $1,007

Flights to Adelaidefrom $892

Flights to Cairnsfrom $1,015

Flights to Coolangattafrom $944

Flights to Hobartfrom $1,016

Flights to Canberrafrom $1,049

Flights to Darwinfrom $1,140

Flights to Maroochydorefrom $981

Flights to Launcestonfrom $1,083

Washington, D.C. flight routes

Flights from Baltimore/Washington to Wilmington New Hanover County

Flights from Washington, D.C. Dulles Intl to Tweed-New Haven

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Baltimore/Washington to Orlando

Flights from Washington, D.C. Dulles Intl to Tampa

Flights from Baltimore/Washington to Chicago O'Hare Intl

Cheap flights from Washington, D.C. to Australia from $529

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Australia departing on 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Washington, D.C. to Australia

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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

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.

See travel insights to Australia from

How to get the cheapest flight ticket from Washington, D.C. to Australia

What is the cheapest month to fly to Australia?

What is the cheapest day to depart on your flight to Australia?

What is the cheapest time of day to depart on your flight to Australia?

How far in advance should I book a flight to Australia?

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

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. to Australia flight.

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

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

What airlines fly to Australia?

How long is the flight from Washington, D.C. to Australia?

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

Fastest flight time

Direct flights

When did momondo last update prices for flights from Washington, D.C. to Australia?

How many operators does momondo search for flights from Washington, D.C. to Australia?

How old do you have to be to fly from Washington, D.C. to Australia?

What documentation or ID do you need to fly to Australia?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Australia?

I’m not ready to book a flight from Washington, D.C. to Australia right now. Can momondo alert me if prices change?

An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo