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 24m 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 08m.

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

American Airlines, United Airlines, and Air New Zealand 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 January 2026.

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.

$801 Cheap Flights from Washington, D.C. to Australia in 2026

1 adult

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One-way

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Enter your travel dates to find the best prices.

09:45 - 07:05

IAD

BNE

31h 20m2 stops

10:00 - 06:25

BNE

IAD

34h 25m1 stop

$1,492Air Canada

Tue, 2 Jun - Tue, 9 Jun

09:45 - 08:45

IAD

BNE

32h 00m2 stops

10:45 - 20:54

BNE

IAD

25h 09m2 stops

$1,496Air Canada

Wed, 18 Feb - Wed, 25 Feb

16:59 - 09:00

DCA

SYD

24h 01m1 stop

17:45 - 20:00

SYD

DCA

41h 15m1 stop

$1,662Multiple Airlines

Tue, 24 Feb - Tue, 17 Mar

17:37 - 07:25

IAD

SYD

45h 48m2 stops

11:20 - 08:48

SYD

IAD

36h 28m2 stops

$1,677American Airlines

Mon, 2 Mar - Sun, 15 Mar

16:59 - 07:05

DCA

SYD

24h 06m1 stop

09:10 - 16:29

SYD

DCA

21h 19m1 stop

$1,692American Airlines

Tue, 19 May - Wed, 27 May

18:26 - 07:30

BWI

BNE

22h 04m1 stop

10:40 - 17:20

BNE

BWI

20h 40m1 stop

$1,796United Airlines

Sat, 21 Feb - Sat, 21 Mar

10:05 - 07:30

BWI

BNE

30h 25m2 stops

11:40 - 17:20

BNE

BWI

20h 40m1 stop

$1,797United Airlines

Wed, 11 Feb - Sat, 28 Feb

06:00 - 08:00

BWI

MEL

34h 00m2 stops

10:10 - 17:46

MEL

BWI

23h 36m2 stops

$1,809Delta

Wed, 4 Feb - Wed, 11 Feb

08:45 - 08:00

BWI

MEL

31h 15m2 stops

10:10 - 22:02

MEL

BWI

27h 52m2 stops

$1,811Delta

Mon, 9 Feb - Sun, 22 Feb

16:59 - 18:45

DCA

MEL

33h 46m2 stops

07:00 - 23:00

MEL

DCA

32h 00m2 stops

$1,873Multiple Airlines

Sat, 21 Feb - Sat, 28 Feb

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

24 Feb

IAD08:30Washington, D.C. Dulles Intl

32h 15m

2 stops

SYD08:45Sydney Kingsford Smith

24 Mar

SYD11:45Sydney Kingsford Smith

27h 43m

2 stops

IAD00:28Washington, D.C. Dulles Intl

$1,835

Air New Zealand

25 Feb

IAD12:35Washington, D.C. Dulles Intl

29h 55m

2 stops

SYD10:30Sydney Kingsford Smith

11 Mar

SYD11:45Sydney Kingsford Smith

27h 43m

2 stops

IAD00:28Washington, D.C. Dulles Intl

$1,836

Air New Zealand

1 May

BWI18:31Baltimore/Washington

23h 44m

1 stop

MEL08:15Melbourne

6 June

MEL10:55Melbourne

25h 39m

2 stops

BWI22:34Baltimore/Washington

$1,932

Delta flights from Washington, D.C. to Australia

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

Delta

4 Feb

BWI06:00Baltimore/Washington

34h 00m

2 stops

MEL08:00Melbourne

11 Feb

MEL10:10Melbourne

23h 36m

2 stops

BWI17:46Baltimore/Washington

$1,809

Delta

9 Feb

BWI08:45Baltimore/Washington

31h 15m

2 stops

MEL08:00Melbourne

22 Feb

MEL10:10Melbourne

27h 52m

2 stops

BWI22:02Baltimore/Washington

$1,811

Delta

8 Feb

BWI17:25Baltimore/Washington

46h 35m

2 stops

MEL08:00Melbourne

25 Feb

MEL10:10Melbourne

28h 43m

2 stops

BWI22:53Baltimore/Washington

$1,827

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.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 2/6

09:45-07:05

2 stops31h 20m

Brisbane

Tue 9/6

10:00-06:25

1 stop34h 25m

$1,492

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 18/2

09:45-08:45

2 stops32h 00m

Brisbane

Wed 25/2

10:45-20:54

2 stops25h 09m

$1,496

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 24/2

16:59-09:00

1 stop24h 01m

Sydney Kingsford Smith

Tue 17/3

17:45-20:00

1 stop41h 15m

$1,662

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 2/3

17:37-07:25

2 stops45h 48m

Sydney Kingsford Smith

Sun 15/3

11:20-08:48

2 stops36h 28m

$1,677

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 19/5

16:59-07:05

1 stop24h 06m

Sydney Kingsford Smith

Wed 27/5

09:10-16:29

1 stop21h 19m

$1,692

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 21/2

18:26-07:30

1 stop22h 04m

Brisbane

Sat 21/3

10:40-17:20

1 stop20h 40m

$1,796

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 11/2

10:05-07:30

2 stops30h 25m

Brisbane

Sat 28/2

11:40-17:20

1 stop20h 40m

$1,797

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 4/2

06:00-08:00

2 stops34h 00m

Melbourne

Wed 11/2

10:10-17:46

2 stops23h 36m

$1,809

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 9/2

08:45-08:00

2 stops31h 15m

Melbourne

Sun 22/2

10:10-22:02

2 stops27h 52m

$1,811

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sat 21/2

16:59-18:45

2 stops33h 46m

Melbourne

Sat 28/2

07:00-23:00

2 stops32h 00m

$1,873

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, April 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 $1,282. If you don’t want to visit Australia in April, then you should wait until August to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,291.

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 $1,989 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 $972 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 56m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 21h 56m

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 January 2026.
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 $2,152	Free cancellation	Rating 7.4 9,139 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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Find better results for your trip to Australia

Popular Cities in Australia

Look for other cheap flights to Sydney

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Look for other cheap flights to Brisbanefrom $122

Look for other cheap flights to Perthfrom $325

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Look for other cheap flights to Coolangattafrom $114

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Look for other cheap flights to Canberrafrom $191

Look for other cheap flights to Darwinfrom $324

Look for other cheap flights to Maroochydorefrom $119

Look for other cheap flights to Launcestonfrom $102

Cheap flights from Washington, D.C. to Australia from $801

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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Trusted and free

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

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

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

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

Delta flights from Washington, D.C. to Australia

Our best Delta 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?

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?

American Airlines, United Airlines, and Air New Zealand 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