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 Washington, D.C. (a popular airport in Washington, D.C.) to Sydney (the most popular airport in Australia), then the flight time is 22h 25m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 23h 33m.

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

United Airlines, Qantas Airways, and American 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 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 December 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.

$803 Cheap Flights from Washington, D.C. to Australia in 2025/26

1 adult

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:10 - 08:45

BWI

BNE

25h 35m2 stops

10:45 - 23:25

BNE

BWI

27h 40m2 stops

$1,422Multiple Airlines

Sun, 8 Feb - Sun, 15 Feb

16:11 - 08:45

DCA

BNE

25h 34m2 stops

10:45 - 10:21

BNE

DCA

38h 36m2 stops

$1,499Multiple Airlines

Tue, 10 Feb - Tue, 17 Feb

11:05 - 08:45

DCA

BNE

30h 40m2 stops

10:45 - 21:56

BNE

DCA

26h 11m2 stops

$1,501Air Canada

Mon, 9 Feb - Mon, 16 Feb

11:05 - 08:45

DCA

BNE

30h 40m2 stops

10:45 - 21:56

BNE

DCA

26h 11m2 stops

$1,502Air Canada

Sun, 8 Feb - Sun, 15 Feb

09:45 - 08:45

IAD

BNE

32h 00m2 stops

10:45 - 20:54

BNE

IAD

25h 09m2 stops

$1,502Air Canada

Sun, 8 Feb - Sun, 15 Feb

15:21 - 06:30

BWI

BNE

24h 09m1 stop

09:40 - 14:29

BNE

BWI

19h 49m1 stop

$1,536American Airlines

Thu, 12 Feb - Wed, 18 Feb

12:25 - 07:30

BWI

BNE

28h 05m2 stops

11:40 - 17:20

BNE

BWI

20h 40m1 stop

$1,538United Airlines

Fri, 6 Feb - Sun, 22 Feb

18:34 - 07:30

BWI

BNE

21h 56m1 stop

11:40 - 17:20

BNE

BWI

20h 40m1 stop

$1,542United Airlines

Fri, 6 Feb - Sun, 22 Feb

15:41 - 13:55

BWI

SYD

30h 14m2 stops

14:05 - 23:01

SYD

BWI

24h 56m1 stop

$1,575Qantas Airways

Mon, 9 Feb - Mon, 16 Feb

15:41 - 06:55

BWI

SYD

23h 14m1 stop

06:30 - 14:29

SYD

BWI

23h 59m2 stops

$1,621Qantas Airways

Mon, 9 Feb - Wed, 18 Feb

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

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

Qantas Airways

9 Feb

BWI15:41Baltimore/Washington

30h 14m

2 stops

SYD13:55Sydney Kingsford Smith

16 Feb

SYD14:05Sydney Kingsford Smith

24h 56m

1 stop

BWI23:01Baltimore/Washington

$1,575

Find similar

Qantas Airways

9 Feb

BWI15:41Baltimore/Washington

23h 14m

1 stop

SYD06:55Sydney Kingsford Smith

18 Feb

SYD06:30Sydney Kingsford Smith

23h 59m

2 stops

BWI14:29Baltimore/Washington

$1,621

Find similar

Qantas Airways

31 Jan

DCA17:00Washington, D.C. Reagan-National

24h 00m

1 stop

SYD09:00Sydney Kingsford Smith

14 Feb

SYD14:05Sydney Kingsford Smith

21h 47m

1 stop

DCA19:52Washington, D.C. Reagan-National

$1,663

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

9 Feb

IAD15:19Washington, D.C. Dulles Intl

25h 26m

2 stops

SYD08:45Sydney Kingsford Smith

16 Feb

SYD11:45Sydney Kingsford Smith

26h 31m

2 stops

IAD22:16Washington, D.C. Dulles Intl

$1,909

Find similar

Air New Zealand

24 Feb

IAD12:35Washington, D.C. Dulles Intl

28h 10m

2 stops

SYD08:45Sydney Kingsford Smith

24 Mar

SYD09:55Sydney Kingsford Smith

29h 33m

2 stops

IAD00:28Washington, D.C. Dulles Intl

$1,922

Find similar

Air New Zealand

24 Feb

IAD12:35Washington, D.C. Dulles Intl

28h 10m

2 stops

SYD08:45Sydney Kingsford Smith

17 Mar

SYD09:55Sydney Kingsford Smith

36h 34m

2 stops

IAD07:29Washington, D.C. Dulles Intl

$1,924

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

Sun 8/2

16:10-08:45

2 stops25h 35m

Brisbane

Sun 15/2

10:45-23:25

2 stops27h 40m

$1,422

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 10/2

16:11-08:45

2 stops25h 34m

Brisbane

Tue 17/2

10:45-10:21

2 stops38h 36m

$1,499

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Mon 9/2

11:05-08:45

2 stops30h 40m

Brisbane

Mon 16/2

10:45-21:56

2 stops26h 11m

$1,501

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 8/2

11:05-08:45

2 stops30h 40m

Brisbane

Sun 15/2

10:45-21:56

2 stops26h 11m

$1,502

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 8/2

09:45-08:45

2 stops32h 00m

Brisbane

Sun 15/2

10:45-20:54

2 stops25h 09m

$1,502

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 12/2

15:21-06:30

1 stop24h 09m

Brisbane

Wed 18/2

09:40-14:29

1 stop19h 49m

$1,536

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 6/2

12:25-07:30

2 stops28h 05m

Brisbane

Sun 22/2

11:40-17:20

1 stop20h 40m

$1,538

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 6/2

18:34-07:30

1 stop21h 56m

Brisbane

Sun 22/2

11:40-17:20

1 stop20h 40m

$1,542

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 9/2

15:41-13:55

2 stops30h 14m

Sydney Kingsford Smith

Mon 16/2

14:05-23:01

1 stop24h 56m

$1,575

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 9/2

15:41-06:55

1 stop23h 14m

Sydney Kingsford Smith

Wed 18/2

06:30-14:29

2 stops23h 59m

$1,621

Flights are sorted by cheapest return flights first.

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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

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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 $1,285. 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 $1,287.

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 $1,861. 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 $2,380. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $1,909 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 $928 on momondo.

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

You could potentially save up to 26% 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 19m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 19m

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 December 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 $2,160	Free cancellation	Rating 7.4 9,116 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.

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Popular Cities in Australia

Look for other cheap flights to Sydney

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Look for other cheap flights to Brisbanefrom $125

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Look for other cheap flights to Canberrafrom $162

Look for other cheap flights to Darwinfrom $332

Look for other cheap flights to Maroochydorefrom $106

Look for other cheap flights to Launcestonfrom $106

Cheap flights from Washington, D.C. to Australia from $803

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 3/2. 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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Find the cheapest flights from Washington, D.C. to Australia

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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

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

What is the cheapest month to fly to Australia?

What is the cheapest 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 26% 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?

United Airlines, Qantas Airways, and American 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

Fastest flight time

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