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 23h 16m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 26h 05m. 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?

Qantas Airways, American Airlines, and United 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 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 August 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.

$580 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.

11:12 am - 11:50 am

IAD

SYD

34h 38m

3 stops

1:15 pm - 10:17 am

SYD

IAD

35h 02m

3 stops

$980Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

11:12 am - 11:50 am

IAD

SYD

34h 38m

3 stops

1:15 pm - 10:17 am

SYD

IAD

35h 02m

3 stops

$994Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

6:52 pm - 6:55 am

BWI

SYD

22h 03m

1 stop

9:30 am - 7:15 am

SYD

BWI

35h 45m

2 stops

$1,187United Airlines

Mon, Aug 31 - Mon, Sep 14

6:52 pm - 6:55 am

BWI

SYD

22h 03m

1 stop

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,187United Airlines

Mon, Aug 31 - Mon, Sep 14

3:55 pm - 7:05 am

BWI

SYD

25h 10m

2 stops

12:00 pm - 9:34 pm

SYD

BWI

23h 34m

1 stop

$1,188American Airlines

Wed, Aug 19 - Wed, Aug 26

3:55 pm - 7:05 am

BWI

SYD

25h 10m

2 stops

12:00 pm - 9:52 pm

SYD

BWI

23h 52m

2 stops

$1,188American Airlines

Wed, Aug 12 - Wed, Aug 19

3:57 pm - 6:55 am

BWI

SYD

24h 58m

1 stop

12:00 pm - 9:29 pm

SYD

BWI

23h 29m

1 stop

$1,231Qantas Airways

Wed, Sep 9 - Wed, Sep 16

3:57 pm - 6:55 am

BWI

SYD

24h 58m

1 stop

12:00 pm - 9:29 pm

SYD

BWI

23h 29m

1 stop

$1,238Qantas Airways

Wed, Sep 9 - Wed, Sep 16

2:11 pm - 8:50 am

BWI

MEL

27h 39m

2 stops

12:00 pm - 12:31 am

MEL

BWI

28h 31m

2 stops

$1,261Delta

Mon, Oct 19 - Wed, Nov 4

12:00 pm - 8:30 am

BWI

SYD

28h 30m

2 stops

10:40 am - 5:03 pm

SYD

BWI

22h 23m

2 stops

$1,311Delta

Tue, Dec 1 - Wed, Mar 3

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Delta flights from Washington, D.C. to Australia

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

Delta

Aug 2

BWI7:15 amBaltimore/Washington

33h 35m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 16

SYD9:15 amSydney Kingsford Smith

35h 05m

2 stops

BWI6:20 amBaltimore/Washington

$1,241

Delta

Oct 19

BWI12:37 pmBaltimore/Washington

29h 13m

2 stops

MEL8:50 amMelbourne

Oct 26

MEL11:00 amMelbourne

33h 45m

2 stops

BWI5:45 amBaltimore/Washington

$1,261

Delta

Oct 25

BWI10:21 amBaltimore/Washington

31h 29m

2 stops

MEL8:50 amMelbourne

Nov 11

MEL12:00 pmMelbourne

27h 03m

2 stops

BWI11:03 pmBaltimore/Washington

$1,262

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

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

United Airlines

Aug 9

BWI3:03 pmBaltimore/Washington

25h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 23

SYD9:30 amSydney Kingsford Smith

21h 05m

1 stop

BWI4:35 pmBaltimore/Washington

$1,187

United Airlines

Aug 3

BWI8:30 amBaltimore/Washington

32h 25m

2 stops

SYD6:55 amSydney Kingsford Smith

Sep 2

SYD9:30 amSydney Kingsford Smith

24h 04m

2 stops

BWI7:34 pmBaltimore/Washington

$1,191

United Airlines

Aug 9

BWI3:03 pmBaltimore/Washington

25h 57m

2 stops

SYD7:00 amSydney Kingsford Smith

Aug 16

SYD9:30 amSydney Kingsford Smith

27h 30m

2 stops

BWI11:00 pmBaltimore/Washington

$1,192

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.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 9/9

11:12 am-11:50 am

3 stops34h 38m

Sydney Kingsford Smith

Wed 9/16

1:15 pm-10:17 am

3 stops35h 02m

$980

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 9/9

11:12 am-11:50 am

3 stops34h 38m

Sydney Kingsford Smith

Wed 9/16

1:15 pm-10:17 am

3 stops35h 02m

$994

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/31

6:52 pm-6:55 am

1 stop22h 03m

Sydney Kingsford Smith

Mon 9/14

9:30 am-7:15 am

2 stops35h 45m

$1,187

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 8/31

6:52 pm-6:55 am

1 stop22h 03m

Sydney Kingsford Smith

Mon 9/14

9:30 am-4:35 pm

1 stop21h 05m

$1,187

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 8/19

3:55 pm-7:05 am

2 stops25h 10m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-9:34 pm

1 stop23h 34m

$1,188

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 8/12

3:55 pm-7:05 am

2 stops25h 10m

Sydney Kingsford Smith

Wed 8/19

12:00 pm-9:52 pm

2 stops23h 52m

$1,188

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 9/9

3:57 pm-6:55 am

1 stop24h 58m

Sydney Kingsford Smith

Wed 9/16

12:00 pm-9:29 pm

1 stop23h 29m

$1,231

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 9/9

3:57 pm-6:55 am

1 stop24h 58m

Sydney Kingsford Smith

Wed 9/16

12:00 pm-9:29 pm

1 stop23h 29m

$1,238

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 10/19

2:11 pm-8:50 am

2 stops27h 39m

Melbourne

Wed 11/4

12:00 pm-12:31 am

2 stops28h 31m

$1,261

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 12/1

12:00 pm-8:30 am

2 stops28h 30m

Sydney Kingsford Smith

Wed 3/3

10:40 am-5:03 pm

2 stops22h 23m

$1,311

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 May 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 May, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in May, still average around $1,391.

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 $1,610 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 $1,118 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 35m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 35m

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 August 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 $282	Free Cancellation	Rating 7.8 8,494 reviews	Search Delta flights
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 10,061 reviews	Search United Airlines flights
Air Canada	PriceFrom $787	Free Cancellation	Rating 7.1 11,419 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,074 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,847 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 657 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.4 3,738 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.