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

American Airlines, Qantas Airways, 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 54m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 23h 05m.

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 November 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.

$847 Cheap Flights from Washington, D.C. to Australia in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 return flights

Enter your travel dates to find the best prices.

14:09 - 05:00BWI-BNE

24h 51m2 stops

20:05 - 08:39BNE-BWI

26h 34m2 stops

$1,559American Airlines

Find Deal

Mon, 23 Mar - Tue, 21 Apr

15:24 - 05:30BWI-BNE

24h 06m1 stop

20:05 - 08:39BNE-BWI

26h 34m2 stops

$1,569American Airlines

Find Deal

Mon, 23 Mar - Tue, 21 Apr

08:42 - 07:30BWI-BNE

31h 48m1 stop

11:40 - 17:20BNE-BWI

20h 40m1 stop

$1,586United Airlines

Find Deal

Tue, 3 Mar - Sat, 7 Mar

06:00 - 07:30BWI-BNE

34h 30m2 stops

11:40 - 17:20BNE-BWI

20h 40m1 stop

$1,592United Airlines

Find Deal

Tue, 3 Mar - Sat, 7 Mar

18:53 - 07:20BWI-BNE

46h 27m2 stops

09:40 - 23:27BNE-BWI

27h 47m2 stops

$1,618Delta

Find Deal

Sun, 8 Mar - Sun, 15 Mar

12:25 - 09:35BWI-SYD

29h 10m2 stops

11:20 - 23:25SYD-BWI

28h 05m2 stops

$1,698Multiple Airlines

Find Deal

Tue, 3 Feb - Tue, 17 Feb

05:45 - 09:00IAD-SYD

35h 15m2 stops

11:20 - 11:38SYD-IAD

40h 18m2 stops

$1,799Multiple Airlines

Find Deal

Thu, 11 Dec - Thu, 18 Dec

15:41 - 17:40BWI-SYD

33h 59m2 stops

14:05 - 22:59SYD-BWI

24h 54m1 stop

$1,842Qantas Airways

Find Deal

Tue, 10 Feb - Tue, 24 Feb

15:24 - 05:00BWI-MEL

22h 36m1 stop

14:35 - 22:24MEL-BWI

22h 49m1 stop

$1,868Qantas Airways

Find Deal

Sat, 21 Mar - Wed, 1 Apr

07:15 - 08:00BWI-MEL

32h 45m2 stops

10:10 - 12:55MEL-BWI

42h 45m2 stops

$1,983Delta

Find Deal

Wed, 10 Dec - Wed, 24 Dec

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

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

American Airlines

23 Mar

BWI14:09Baltimore/Washington

24h 51m

2 stops

BNE05:00Brisbane

21 Apr

BNE20:05Brisbane

26h 34m

2 stops

BWI08:39Baltimore/Washington

$1,559

Find similar

American Airlines

23 Mar

BWI15:24Baltimore/Washington

24h 06m

1 stop

BNE05:30Brisbane

21 Apr

BNE20:05Brisbane

26h 34m

2 stops

BWI08:39Baltimore/Washington

$1,569

Find similar

American Airlines

21 Feb

BWI15:22Baltimore/Washington

24h 08m

1 stop

BNE06:30Brisbane

21 Mar

BNE08:40Brisbane

27h 44m

1 stop

BWI22:24Baltimore/Washington

$1,574

Find similar

Air New Zealand flights from Washington, D.C. to Australia

Our best Air New Zealand deals on Washington, D.C. to Australia flight tickets

Air New Zealand

16 Mar

BWI06:13Baltimore/Washington

35h 32m

2 stops

SYD08:45Sydney Kingsford Smith

16 Apr

SYD09:55Sydney Kingsford Smith

26h 48m

2 stops

BWI22:43Baltimore/Washington

$2,054

Find similar

Air New Zealand

19 Feb

BWI08:42Baltimore/Washington

32h 03m

2 stops

SYD08:45Sydney Kingsford Smith

16 Mar

SYD11:45Sydney Kingsford Smith

32h 20m

2 stops

BWI05:05Baltimore/Washington

$2,080

Find similar

Air New Zealand

5 Feb

BWI18:34Baltimore/Washington

26h 06m

2 stops

SYD12:40Sydney Kingsford Smith

5 Mar

SYD09:55Sydney Kingsford Smith

28h 35m

2 stops

BWI22:30Baltimore/Washington

$2,108

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

Mon 23/3

14:09-05:00

2 stops24h 51m

Brisbane

Tue 21/4

20:05-08:39

2 stops26h 34m

$1,559

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 23/3

15:24-05:30

1 stop24h 06m

Brisbane

Tue 21/4

20:05-08:39

2 stops26h 34m

$1,569

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Tue 3/3

08:42-07:30

1 stop31h 48m

Brisbane

Sat 7/3

11:40-17:20

1 stop20h 40m

$1,586

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Tue 3/3

06:00-07:30

2 stops34h 30m

Brisbane

Sat 7/3

11:40-17:20

1 stop20h 40m

$1,592

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 8/3

18:53-07:20

2 stops46h 27m

Brisbane

Sun 15/3

09:40-23:27

2 stops27h 47m

$1,618

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 3/2

12:25-09:35

2 stops29h 10m

Sydney Kingsford Smith

Tue 17/2

11:20-23:25

2 stops28h 05m

$1,698

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 11/12

05:45-09:00

2 stops35h 15m

Sydney Kingsford Smith

Thu 18/12

11:20-11:38

2 stops40h 18m

$1,799

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 10/2

15:41-17:40

2 stops33h 59m

Sydney Kingsford Smith

Tue 24/2

14:05-22:59

1 stop24h 54m

$1,842

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 21/3

15:24-05:00

1 stop22h 36m

Melbourne

Wed 1/4

14:35-22:24

1 stop22h 49m

$1,868

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 10/12

07:15-08:00

2 stops32h 45m

Melbourne

Wed 24/12

10:10-12:55

2 stops42h 45m

$1,982

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 $1,319. 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 $1,911. 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 $2,443. 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 $2,084. 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 $3,074. 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 $1,914 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 $953 on momondo.

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

You could potentially save up to 12% 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 November 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 $2,218	Free cancellation	Rating 7.4 9,013 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 17/12

Wed 24/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

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 $124

Look for other cheap flights to Perthfrom $335

Look for other cheap flights to Adelaide

Look for other cheap flights to Coolangattafrom $115

Look for other cheap flights to Cairnsfrom $176

Look for other cheap flights to Hobartfrom $139

Look for other cheap flights to Canberrafrom $170

Look for other cheap flights to Darwinfrom $405

Look for other cheap flights to Maroochydorefrom $118

Look for other cheap flights to Launcestonfrom $101

Cheap flights from Washington, D.C. to Australia from $847

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 3/12. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

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

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

Air New Zealand flights from Washington, D.C. to Australia

Our best Air New Zealand 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 12% 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?

American Airlines, Qantas Airways, 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