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 37m on average. Another popular route from Washington, D.C. to Australia is flying from Washington, D.C. to Sydney, which will take roughly 24h 30m. Keep in mind that layovers or delays could extend your travel time.

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 56% 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.

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

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating 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 June 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.

$491 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.

8:00 am - 8:15 am

BWI

MEL

34h 15m

1 stop

10:55 am - 7:15 am

MEL

BWI

34h 20m

1 stop

$1,078United Airlines

Thu, Aug 13 - Fri, Aug 28

1:50 pm - 6:45 am

BWI

MEL

26h 55m

2 stops

9:45 am - 9:38 pm

MEL

BWI

25h 53m

2 stops

$1,085American Airlines

Sat, Aug 1 - Sat, Aug 8

6:59 pm - 8:15 am

BWI

MEL

23h 16m

1 stop

10:55 am - 5:57 pm

MEL

BWI

21h 02m

1 stop

$1,090United Airlines

Thu, Jul 30 - Thu, Aug 6

12:01 pm - 7:50 am

BWI

MEL

29h 49m

2 stops

10:00 am - 11:18 pm

MEL

BWI

27h 18m

2 stops

$1,102Delta

Wed, Sep 16 - Sun, Sep 27

2:10 pm - 9:50 am

BWI

MEL

27h 40m

2 stops

12:00 pm - 12:26 am

MEL

BWI

28h 26m

2 stops

$1,103Delta

Thu, Nov 19 - Sat, Dec 5

7:00 am - 12:05 pm

IAD

MEL

39h 05m

3 stops

2:25 pm - 5:40 am

MEL

IAD

30h 15m

3 stops

$1,127Multiple Airlines

Tue, Sep 8 - Wed, Oct 7

7:23 pm - 7:00 am

BWI

SYD

21h 37m

1 stop

10:20 am - 5:57 pm

SYD

BWI

21h 37m

1 stop

$1,224Air New Zealand

Wed, Jul 1 - Wed, Jul 8

7:23 pm - 7:00 am

BWI

SYD

21h 37m

1 stop

9:30 am - 4:35 pm

SYD

BWI

21h 05m

1 stop

$1,227Air New Zealand

Sun, Aug 9 - Sun, Aug 23

3:48 pm - 4:05 pm

BWI

AVV

33h 17m

2 stops

10:20 am - 6:17 pm

AVV

BWI

23h 57m

2 stops

$1,962Qantas Airways

Mon, Oct 19 - Wed, Nov 4

3:23 pm - 3:50 pm

BWI

AVV

32h 27m

2 stops

2:50 pm - 6:14 pm

AVV

BWI

43h 24m

2 stops

$2,054Qantas Airways

Thu, Nov 12 - Thu, Dec 3

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

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

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

Qantas Airways

Jun 23

BWI7:11 pmBaltimore/Washington

21h 44m

1 stop

SYD6:55 amSydney Kingsford Smith

Jul 6

SYD12:00 pmSydney Kingsford Smith

21h 24m

1 stop

BWI7:24 pmBaltimore/Washington

$1,337

Qantas Airways

Jul 3

BWI3:48 pmBaltimore/Washington

25h 07m

1 stop

SYD6:55 amSydney Kingsford Smith

Jul 14

SYD12:00 pmSydney Kingsford Smith

21h 24m

1 stop

BWI7:24 pmBaltimore/Washington

$1,383

Qantas Airways

Jul 3

BWI3:48 pmBaltimore/Washington

25h 07m

1 stop

SYD6:55 amSydney Kingsford Smith

Jul 14

SYD12:00 pmSydney Kingsford Smith

21h 24m

1 stop

BWI7:24 pmBaltimore/Washington

$1,385

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

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

Turkish Airlines

Oct 31

IAD2:30 pmWashington, D.C. Dulles Intl

39h 10m

2 stops

MEL8:40 pmMelbourne

Nov 11

MEL10:35 pmMelbourne

53h 10m

2 stops

IAD11:45 amWashington, D.C. Dulles Intl

$1,525

Turkish Airlines

Aug 19

IAD9:45 pmWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:10 pmSydney Kingsford Smith

Sep 6

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,538

Turkish Airlines

Oct 17

IAD1:20 pmWashington, D.C. Dulles Intl

40h 20m

2 stops

MEL8:40 pmMelbourne

Nov 4

MEL10:35 pmMelbourne

54h 10m

2 stops

IAD12:45 pmWashington, D.C. Dulles Intl

$1,569

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 - MEL

BWIMEL

Baltimore/Washington

Thu 8/13

8:00 am-8:15 am

1 stop34h 15m

Melbourne

Fri 8/28

10:55 am-7:15 am

1 stop34h 20m

$1,078

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 8/1

1:50 pm-6:45 am

2 stops26h 55m

Melbourne

Sat 8/8

9:45 am-9:38 pm

2 stops25h 53m

$1,085

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 7/30

6:59 pm-8:15 am

1 stop23h 16m

Melbourne

Thu 8/6

10:55 am-5:57 pm

1 stop21h 02m

$1,090

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 9/16

12:01 pm-7:50 am

2 stops29h 49m

Melbourne

Sun 9/27

10:00 am-11:18 pm

2 stops27h 18m

$1,102

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 11/19

2:10 pm-9:50 am

2 stops27h 40m

Melbourne

Sat 12/5

12:00 pm-12:26 am

2 stops28h 26m

$1,103

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Tue 9/8

7:00 am-12:05 pm

3 stops39h 05m

Melbourne

Wed 10/7

2:25 pm-5:40 am

3 stops30h 15m

$1,127

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 7/1

7:23 pm-7:00 am

1 stop21h 37m

Sydney Kingsford Smith

Wed 7/8

10:20 am-5:57 pm

1 stop21h 37m

$1,224

Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 8/9

7:23 pm-7:00 am

1 stop21h 37m

Sydney Kingsford Smith

Sun 8/23

9:30 am-4:35 pm

1 stop21h 05m

$1,227

BaltimoreMelbourne

BWI - AVV

BWIAVV

Baltimore/Washington

Mon 10/19

3:48 pm-4:05 pm

2 stops33h 17m

Melbourne Avalon

Wed 11/4

10:20 am-6:17 pm

2 stops23h 57m

$1,962

BaltimoreMelbourne

BWI - AVV

BWIAVV

Baltimore/Washington

Thu 11/12

3:23 pm-3:50 pm

2 stops32h 27m

Melbourne Avalon

Thu 12/3

2:50 pm-6:14 pm

2 stops43h 24m

$2,054

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 $78. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during September instead. Flights to Australia in September, while not as cheap as those in August, still average around $82.

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 $1,650 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 $709 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 37m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 37m

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 June 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 8,420 reviews	Search Delta flights
United Airlines	PriceFrom $377	Free Cancellation	Rating 7.4 9,865 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,047 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,715 reviews	Search American Airlines flights
Air Canada	PriceFrom $839	Free Cancellation	Rating 7.1 11,226 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,195	Free Cancellation	Rating 8.0 645 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $2,062	Free Cancellation	Rating 7.3 3,727 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.