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 22h 41m 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 52m.

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.

$800 Cheap Flights from Washington, D.C. to Australia in 2025/26

1 adult

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One-way

Last minute

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Enter your travel dates to find the best prices.

16:59 - 09:00

DCA

SYD

24h 01m1 stop

21:25 - 17:59

SYD

DCA

36h 34m1 stop

$1,435Qantas Airways

Sat, 21 Feb - Tue, 3 Mar

16:59 - 07:30

DCA

SYD

23h 31m1 stop

09:10 - 20:53

SYD

DCA

25h 43m1 stop

$1,448American Airlines

Wed, 1 Apr - Tue, 28 Apr

11:05 - 08:45

DCA

BNE

30h 40m2 stops

10:45 - 21:58

BNE

DCA

26h 13m2 stops

$1,521Air Canada

Wed, 4 Feb - Wed, 11 Feb

09:45 - 08:45

IAD

BNE

32h 00m2 stops

10:45 - 20:54

BNE

IAD

25h 09m2 stops

$1,521Air Canada

Wed, 4 Feb - Wed, 11 Feb

18:34 - 07:30

BWI

BNE

21h 56m1 stop

11:40 - 17:20

BNE

BWI

20h 40m1 stop

$1,557United Airlines

Fri, 6 Feb - Sun, 22 Feb

08:42 - 07:30

BWI

BNE

31h 48m1 stop

11:40 - 17:20

BNE

BWI

20h 40m1 stop

$1,559United Airlines

Fri, 6 Feb - Sun, 22 Feb

09:59 - 15:35

DCA

MEL

37h 36m2 stops

12:00 - 20:00

MEL

DCA

24h 00m1 stop

$1,572Multiple Airlines

Wed, 4 Feb - Wed, 11 Feb

10:33 - 08:20

BWI

BNE

30h 47m2 stops

10:40 - 19:40

BNE

BWI

24h 00m2 stops

$1,575Delta

Fri, 6 Feb - Sun, 22 Feb

09:59 - 17:15

DCA

MEL

39h 16m2 stops

12:00 - 20:00

MEL

DCA

24h 00m1 stop

$1,606Multiple Airlines

Tue, 3 Feb - Tue, 10 Feb

19:06 - 08:00

BWI

MEL

44h 54m2 stops

10:00 - 00:38

MEL

BWI

28h 38m2 stops

$1,840Delta

Tue, 3 Mar - Sun, 19 Apr

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

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

Qantas Airways

21 Feb

DCA16:59Washington, D.C. Reagan-National

24h 01m

1 stop

SYD09:00Sydney Kingsford Smith

3 Mar

SYD21:25Sydney Kingsford Smith

36h 34m

1 stop

DCA17:59Washington, D.C. Reagan-National

$1,435

Find similar

Qantas Airways

24 Feb

DCA08:30Washington, D.C. Reagan-National

30h 55m

1 stop

SYD07:25Sydney Kingsford Smith

17 Mar

SYD17:45Sydney Kingsford Smith

37h 14m

1 stop

DCA15:59Washington, D.C. Reagan-National

$1,471

Find similar

Qantas Airways

1 Feb

DCA08:40Washington, D.C. Reagan-National

30h 45m

1 stop

SYD07:25Sydney Kingsford Smith

10 Feb

SYD17:45Sydney Kingsford Smith

42h 15m

1 stop

DCA20:00Washington, D.C. Reagan-National

$1,530

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

1 Apr

DCA16:59Washington, D.C. Reagan-National

23h 31m

1 stop

SYD07:30Sydney Kingsford Smith

28 Apr

SYD09:10Sydney Kingsford Smith

20h 39m

1 stop

DCA15:49Washington, D.C. Reagan-National

$1,448

Find similar

American Airlines

17 Feb

IAD11:22Washington, D.C. Dulles Intl

29h 38m

2 stops

SYD09:00Sydney Kingsford Smith

26 May

SYD09:10Sydney Kingsford Smith

27h 17m

2 stops

IAD22:27Washington, D.C. Dulles Intl

$1,454

Find similar

American Airlines

24 Feb

IAD11:22Washington, D.C. Dulles Intl

29h 38m

2 stops

SYD09:00Sydney Kingsford Smith

24 Mar

SYD17:45Sydney Kingsford Smith

30h 03m

2 stops

IAD08:48Washington, D.C. Dulles Intl

$1,456

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

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 21/2

16:59-09:00

1 stop24h 01m

Sydney Kingsford Smith

Tue 3/3

21:25-17:59

1 stop36h 34m

$1,435

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 1/4

16:59-07:30

1 stop23h 31m

Sydney Kingsford Smith

Tue 28/4

09:10-20:53

1 stop25h 43m

$1,448

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 4/2

11:05-08:45

2 stops30h 40m

Brisbane

Wed 11/2

10:45-21:58

2 stops26h 13m

$1,521

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 4/2

09:45-08:45

2 stops32h 00m

Brisbane

Wed 11/2

10:45-20:54

2 stops25h 09m

$1,521

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

$1,557

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 6/2

08:42-07:30

1 stop31h 48m

Brisbane

Sun 22/2

11:40-17:20

1 stop20h 40m

$1,559

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Wed 4/2

09:59-15:35

2 stops37h 36m

Melbourne

Wed 11/2

12:00-20:00

1 stop24h 00m

$1,572

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 6/2

10:33-08:20

2 stops30h 47m

Brisbane

Sun 22/2

10:40-19:40

2 stops24h 00m

$1,575

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 3/2

09:59-17:15

2 stops39h 16m

Melbourne

Tue 10/2

12:00-20:00

1 stop24h 00m

$1,606

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 3/3

19:06-08:00

2 stops44h 54m

Melbourne

Sun 19/4

10:00-00:38

2 stops28h 38m

$1,840

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 $1,303. 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 $1,306.

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 $1,888. 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 $2,414. 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 $2,059. 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 $3,038. 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 $1,936 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 $942 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 15m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 15m

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 $2,192	Free cancellation	Rating 7.4 9,102 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.

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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 $119

Look for other cheap flights to Perthfrom $337

Look for other cheap flights to Adelaide

Look for other cheap flights to Coolangattafrom $118

Look for other cheap flights to Cairnsfrom $174

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Look for other cheap flights to Canberrafrom $192

Look for other cheap flights to Darwinfrom $319

Look for other cheap flights to Maroochydorefrom $118

Look for other cheap flights to Launcestonfrom $100

Cheap flights from Washington, D.C. to Australia from $800

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 31/1. 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

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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

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 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