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

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

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

The flight from Washington, D.C. to Australia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to Sydney (the most popular airport in Australia), then the flight time is 21h 32m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 24h 28m.

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

Prices for flights from Washington, D.C. to Australia are refreshed on a daily basis.

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

There is 1 operator available for flights from Washington, D.C. to Australia as of September 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Australia.

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

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$743 Cheap Flights from Washington, D.C. to Australia in 2025/26

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

Round-trip

One-way

Last minute

Cheap return flights

15:22 - 06:30BWI-BNE

24h 08m1 stop

09:40 - 14:13BNE-BWI

19h 33m1 stop

$1,533Qantas Airways

Find Deal

Sat, 8 Nov - Sat, 22 Nov

15:21 - 06:30BWI-BNE

24h 09m1 stop

09:40 - 13:58BNE-BWI

19h 18m1 stop

$1,583Qantas Airways

Find Deal

Sat, 14 Feb - Sat, 28 Feb

08:30 - 06:30BWI-BNE

32h 00m1 stop

11:40 - 17:28BNE-BWI

20h 48m1 stop

$1,595United Airlines

Find Deal

Sat, 1 Nov - Sat, 8 Nov

05:00 - 06:00IAD-SYD

33h 00m2 stops

11:50 - 00:11SYD-IAD

28h 21m2 stops

$1,595Multiple Airlines

Find Deal

Sun, 2 Nov - Sun, 9 Nov

18:28 - 07:30BWI-BNE

22h 02m1 stop

11:40 - 22:24BNE-BWI

25h 44m2 stops

$1,601United Airlines

Find Deal

Sat, 14 Feb - Sat, 28 Feb

07:10 - 06:30IAD-BNE

33h 20m2 stops

11:40 - 23:55BNE-IAD

27h 15m2 stops

$1,622Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 8 Nov

19:27 - 08:20BWI-BNE

45h 53m2 stops

11:05 - 23:49BNE-BWI

27h 44m2 stops

$1,632Delta

Find Deal

Thu, 13 Nov - Wed, 26 Nov

13:32 - 05:00BWI-MEL

25h 28m1 stop

16:05 - 12:15MEL-BWI

35h 10m1 stop

$1,883American Airlines

Find Deal

Mon, 29 Sep - Wed, 8 Oct

15:22 - 09:30BWI-MEL

26h 08m2 stops

16:05 - 22:23MEL-BWI

22h 18m1 stop

$1,899American Airlines

Find Deal

Fri, 30 Jan - Mon, 9 Feb

19:27 - 08:20BWI-BNE

45h 53m2 stops

10:40 - 00:27BNE-BWI

28h 47m2 stops

$2,075Delta

Find Deal

Sun, 30 Nov - Fri, 12 Dec

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

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

Qantas Airways

8 Nov

BWI15:22Baltimore/Washington

24h 08m

1 stop

BNE06:30Brisbane

22 Nov

BNE09:40Brisbane

19h 33m

1 stop

BWI14:13Baltimore/Washington

$1,533

Find similar

Qantas Airways

14 Feb

BWI15:21Baltimore/Washington

24h 09m

1 stop

BNE06:30Brisbane

28 Feb

BNE09:40Brisbane

19h 18m

1 stop

BWI13:58Baltimore/Washington

$1,583

Find similar

Qantas Airways

21 Feb

BWI15:21Baltimore/Washington

24h 09m

1 stop

BNE06:30Brisbane

21 Mar

BNE08:40Brisbane

19h 21m

1 stop

BWI14:01Baltimore/Washington

$1,584

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

29 Sept

BWI13:32Baltimore/Washington

25h 28m

1 stop

MEL05:00Melbourne

8 Oct

MEL16:05Melbourne

35h 10m

1 stop

BWI12:15Baltimore/Washington

$1,883

Find similar

American Airlines

30 Jan

BWI15:22Baltimore/Washington

26h 08m

2 stops

MEL09:30Melbourne

9 Feb

MEL16:05Melbourne

22h 18m

1 stop

BWI22:23Baltimore/Washington

$1,899

Find similar

American Airlines

29 Sept

BWI06:41Baltimore/Washington

32h 19m

1 stop

MEL05:00Melbourne

8 Oct

MEL08:45Melbourne

29h 09m

2 stops

BWI22:54Baltimore/Washington

$1,926

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

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 8/11

15:22-06:30

1 stop24h 08m

Brisbane

Sat 22/11

09:40-14:13

1 stop19h 33m

$1,533

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 14/2

15:21-06:30

1 stop24h 09m

Brisbane

Sat 28/2

09:40-13:58

1 stop19h 18m

$1,583

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 1/11

08:30-06:30

1 stop32h 00m

Brisbane

Sat 8/11

11:40-17:28

1 stop20h 48m

$1,595

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 2/11

05:00-06:00

2 stops33h 00m

Sydney Kingsford Smith

Sun 9/11

11:50-00:11

2 stops28h 21m

$1,595

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 14/2

18:28-07:30

1 stop22h 02m

Brisbane

Sat 28/2

11:40-22:24

2 stops25h 44m

$1,601

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sat 1/11

07:10-06:30

2 stops33h 20m

Brisbane

Sat 8/11

11:40-23:55

2 stops27h 15m

$1,622

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 13/11

19:27-08:20

2 stops45h 53m

Brisbane

Wed 26/11

11:05-23:49

2 stops27h 44m

$1,632

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 29/9

13:32-05:00

1 stop25h 28m

Melbourne

Wed 8/10

16:05-12:15

1 stop35h 10m

$1,883

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 30/1

15:22-09:30

2 stops26h 08m

Melbourne

Mon 9/2

16:05-22:23

1 stop22h 18m

$1,899

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 30/11

19:27-08:20

2 stops45h 53m

Brisbane

Fri 12/12

10:40-00:27

2 stops28h 47m

$2,075

Flights are sorted by cheapest return 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?

In general, August is the cheapest month to fly from Washington, D.C. to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,292. If you don’t want to visit Australia in August, then you should wait until April to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,351.

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

On average, the least expensive day to fly to Australia from Washington, D.C. is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,872. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Australia on a Thursday will generally be more expensive and average around $2,394. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Washington, D.C. to Australia in the morning for as low as $2,042. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $3,013. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,974 when searching weeks before you fly. 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 $800 on momondo.

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

You could potentially save up to 28% 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

Direct flights	None

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Australia?
There is 1 operator available for flights from Washington, D.C. to Australia as of September 2025.
How old do you have to be to fly from Washington, D.C. to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek 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 $2,173	Free cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Australia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Yes. All flights to Australia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Washington, D.C. and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Washington, D.C. to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

An easier way to manage your Australia trip

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Popular Cities in Australia

Look for other cheap flights to Sydney

Look for other cheap flights to Melbourne

Look for other cheap flights to Brisbanefrom $127

Look for other cheap flights to Perthfrom $325

Look for other cheap flights to Adelaide

Look for other cheap flights to Coolangattafrom $90

Look for other cheap flights to Cairnsfrom $129

Look for other cheap flights to Hobartfrom $138

Look for other cheap flights to Canberrafrom $135

Look for other cheap flights to Darwinfrom $343

Look for other cheap flights to Maroochydorefrom $103

Look for other cheap flights to Launcestonfrom $105

Cheap flights from Washington, D.C. to Australia from $743

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 27/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Trusted and free

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

Cheap return flights

Cheap one-way flights

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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

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

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 28% 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?

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

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, organise 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