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 21h 56m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 22h 30m. 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?

Turkish Airlines, United Airlines, 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 American Airlines 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 60% 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 6 as of March 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.

$481 Cheap Flights from Washington, D.C. to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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

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.

9:40 am - 7:05 am

DCA

BNE

31h 25m

2 stops

10:15 am - 10:19 am

BNE

DCA

38h 04m

2 stops

$999Air Canada

mar., may. 12 - mar., may. 19

7:05 am - 12:00 pm

IAD

MEL

38h 55m

3 stops

1:30 pm - 10:12 am

MEL

IAD

34h 42m

3 stops

$1,000Multiple Airlines

sáb., may. 2 - dom., may. 10

5:16 pm - 7:05 am

DCA

SYD

23h 49m

1 stop

12:00 pm - 7:13 pm

SYD

DCA

21h 13m

1 stop

$1,140Qantas Airways

jue., may. 28 - dom., jun. 7

7:24 pm - 6:55 am

IAD

SYD

21h 31m

1 stop

12:00 pm - 10:47 pm

SYD

IAD

24h 47m

1 stop

$1,141Qantas Airways

mié., may. 27 - lun., jun. 8

1:55 pm - 5:00 am

BWI

BNE

25h 05m

2 stops

8:35 pm - 9:26 am

BNE

BWI

26h 51m

2 stops

$1,396American Airlines

mié., jul. 1 - dom., jul. 12

4:11 pm - 11:30 am

BWI

BNE

29h 19m

2 stops

8:35 pm - 9:00 am

BNE

BWI

26h 25m

2 stops

$1,430American Airlines

mié., abr. 22 - mié., abr. 29

3:27 pm - 8:15 am

BWI

MEL

26h 48m

2 stops

10:55 am - 9:02 pm

MEL

BWI

24h 07m

2 stops

$1,540United Airlines

dom., may. 10 - dom., may. 17

4:12 pm - 8:15 am

BWI

MEL

26h 03m

2 stops

9:30 am - 7:09 pm

MEL

BWI

23h 39m

2 stops

$1,545United Airlines

dom., may. 10 - dom., may. 17

11:50 am - 7:50 am

BWI

MEL

30h 00m

2 stops

10:00 am - 5:45 am

MEL

BWI

33h 45m

2 stops

$1,571Delta

mié., may. 13 - mié., may. 20

1:59 pm - 7:50 am

BWI

MEL

27h 51m

2 stops

10:00 am - 11:13 pm

MEL

BWI

27h 13m

2 stops

$1,572Delta

lun., may. 25 - mié., jun. 10

Delta flights from Washington, D.C. to Australia

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

Delta

May 13

BWI11:50 amBaltimore/Washington

30h 00m

2 stops

MEL7:50 amMelbourne

May 20

MEL10:00 amMelbourne

28h 47m

2 stops

BWI12:47 amBaltimore/Washington

$1,571

Delta

May 25

BWI1:59 pmBaltimore/Washington

27h 51m

2 stops

MEL7:50 amMelbourne

Jun 10

MEL10:00 amMelbourne

27h 13m

2 stops

BWI11:13 pmBaltimore/Washington

$1,572

Delta

Apr 13

BWI11:51 amBaltimore/Washington

28h 59m

2 stops

SYD6:50 amSydney Kingsford Smith

Apr 27

SYD9:15 amSydney Kingsford Smith

27h 15m

2 stops

BWI10:30 pmBaltimore/Washington

$1,573

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

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

American Airlines

Jul 1

BWI1:55 pmBaltimore/Washington

25h 05m

2 stops

BNE5:00 amBrisbane

Jul 12

BNE8:35 pmBrisbane

26h 51m

2 stops

BWI9:26 amBaltimore/Washington

$1,396

American Airlines

Apr 22

BWI4:11 pmBaltimore/Washington

29h 19m

2 stops

BNE11:30 amBrisbane

Apr 29

BNE8:35 pmBrisbane

26h 25m

2 stops

BWI9:00 amBaltimore/Washington

$1,430

American Airlines

Apr 2

BWI6:00 amBaltimore/Washington

33h 00m

2 stops

BNE5:00 amBrisbane

Apr 14

BNE8:35 pmBrisbane

32h 06m

2 stops

BWI2:41 pmBaltimore/Washington

$1,446

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

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

mar. 5/12

9:40 am-7:05 am

2 stops31h 25m

Brisbane

mar. 5/19

10:15 am-10:19 am

2 stops38h 04m

$999

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

sáb. 5/2

7:05 am-12:00 pm

3 stops38h 55m

Melbourne

dom. 5/10

1:30 pm-10:12 am

3 stops34h 42m

$1,000

Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

jue. 5/28

5:16 pm-7:05 am

1 stop23h 49m

Sydney Kingsford Smith

dom. 6/7

12:00 pm-7:13 pm

1 stop21h 13m

$1,140

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mié. 5/27

7:24 pm-6:55 am

1 stop21h 31m

Sydney Kingsford Smith

lun. 6/8

12:00 pm-10:47 pm

1 stop24h 47m

$1,141

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

mié. 7/1

1:55 pm-5:00 am

2 stops25h 05m

Brisbane

dom. 7/12

8:35 pm-9:26 am

2 stops26h 51m

$1,396

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

mié. 4/22

4:11 pm-11:30 am

2 stops29h 19m

Brisbane

mié. 4/29

8:35 pm-9:00 am

2 stops26h 25m

$1,430

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

dom. 5/10

3:27 pm-8:15 am

2 stops26h 48m

Melbourne

dom. 5/17

10:55 am-9:02 pm

2 stops24h 07m

$1,540

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

dom. 5/10

4:12 pm-8:15 am

2 stops26h 03m

Melbourne

dom. 5/17

9:30 am-7:09 pm

2 stops23h 39m

$1,545

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

mié. 5/13

11:50 am-7:50 am

2 stops30h 00m

Melbourne

mié. 5/20

10:00 am-5:45 am

2 stops33h 45m

$1,571

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

lun. 5/25

1:59 pm-7:50 am

2 stops27h 51m

Melbourne

mié. 6/10

10:00 am-11:13 pm

2 stops27h 13m

$1,572

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 $1,121. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during February instead. Flights to Australia in February, while not as cheap as those in August, still average around $1,294.

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 $1,623 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 $655 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

Fastest flight time	21h 26m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 26m

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 6 as of March 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
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,358 reviews	Search Delta flights
United Airlines	PriceFrom $346	Free Cancellation	Rating 7.4 9,510 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,014 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,523 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 10,861 reviews	Search Air Canada flights
Qatar Airways	PriceFrom $1,195	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 622 reviews	Search Air New Zealand 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.