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 24h 30m.

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

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.

$733 Cheap Flights from Washington, D.C. to Australia in 2026

1 adult

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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.

08:15 - 07:05

IAD

BNE

32h 50m

2 stops

10:00 - 07:50

BNE

IAD

35h 50m

2 stops

$1,482Air Canada

Mon, 11 May - Mon, 18 May

09:55 - 07:05

IAD

BNE

31h 10m

2 stops

10:00 - 20:29

BNE

IAD

24h 29m

2 stops

$1,485Air Canada

Wed, 8 Apr - Wed, 29 Apr

16:10 - 10:55

IAD

BNE

28h 45m

3 stops

10:00 - 20:37

BNE

IAD

24h 37m

2 stops

$1,545Multiple Airlines

Mon, 11 May - Mon, 18 May

14:37 - 07:20

IAD

SYD

26h 43m

2 stops

09:20 - 11:17

SYD

IAD

39h 57m

3 stops

$1,694Multiple Airlines

Tue, 12 May - Tue, 19 May

12:23 - 06:30

BWI

BNE

27h 07m

2 stops

19:40 - 11:35

BNE

BWI

29h 55m

2 stops

$1,776American Airlines

Sat, 7 Mar - Sat, 14 Mar

15:21 - 06:30

BWI

BNE

24h 09m

1 stop

09:40 - 22:59

BNE

BWI

28h 19m

1 stop

$1,780American Airlines

Thu, 19 Feb - Thu, 26 Feb

18:34 - 07:30

BWI

BNE

21h 56m

1 stop

11:40 - 17:20

BNE

BWI

20h 40m

1 stop

$1,792United Airlines

Sun, 1 Feb - Sat, 14 Feb

08:31 - 06:30

BWI

BNE

31h 59m

1 stop

10:40 - 17:20

BNE

BWI

20h 40m

1 stop

$1,799United Airlines

Wed, 18 Mar - Wed, 25 Mar

08:30 - 10:25

DCA

MEL

33h 55m

2 stops

16:05 - 20:57

MEL

DCA

20h 52m

1 stop

$1,829Qantas Airways

Mon, 23 Feb - Wed, 4 Mar

15:47 - 05:00

BWI

MEL

23h 13m

1 stop

13:35 - 23:51

MEL

BWI

24h 16m

1 stop

$1,832Qantas Airways

Wed, 17 Jun - Mon, 29 Jun

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

23 Apr

IAD08:15Washington, D.C. Dulles Intl

33h 05m

2 stops

SYD07:20Sydney Kingsford Smith

28 Apr

SYD09:20Sydney Kingsford Smith

25h 09m

1 stop

IAD20:29Washington, D.C. Dulles Intl

$1,713

Air New Zealand

19 June

IAD16:05Washington, D.C. Dulles Intl

25h 00m

2 stops

BNE07:05Brisbane

9 July

BNE10:00Brisbane

25h 00m

2 stops

IAD21:00Washington, D.C. Dulles Intl

$1,756

Air New Zealand

21 Mar

BWI18:25Baltimore/Washington

23h 05m

1 stop

MEL08:30Melbourne

1 Apr

MEL10:30Melbourne

34h 30m

2 stops

BWI06:00Baltimore/Washington

$1,931

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

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

Turkish Airlines

26 Feb

IAD21:15Washington, D.C. Dulles Intl

54h 05m

2 stops

SYD19:20Sydney Kingsford Smith

6 Mar

SYD21:15Sydney Kingsford Smith

38h 05m

2 stops

IAD19:20Washington, D.C. Dulles Intl

$1,934

Turkish Airlines

3 Feb

IAD21:15Washington, D.C. Dulles Intl

54h 05m

2 stops

SYD19:20Sydney Kingsford Smith

4 Mar

SYD21:15Sydney Kingsford Smith

38h 05m

2 stops

IAD19:20Washington, D.C. Dulles Intl

$1,935

Turkish Airlines

28 Feb

IAD13:30Washington, D.C. Dulles Intl

39h 25m

2 stops

MEL20:55Melbourne

18 Mar

MEL22:40Melbourne

36h 40m

2 stops

IAD20:20Washington, D.C. Dulles Intl

$2,009

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

Mon 11/5

08:15-07:05

2 stops32h 50m

Brisbane

Mon 18/5

10:00-07:50

2 stops35h 50m

$1,482

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Wed 8/4

09:55-07:05

2 stops31h 10m

Brisbane

Wed 29/4

10:00-20:29

2 stops24h 29m

$1,485

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 11/5

16:10-10:55

3 stops28h 45m

Brisbane

Mon 18/5

10:00-20:37

2 stops24h 37m

$1,544

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 12/5

14:37-07:20

2 stops26h 43m

Sydney Kingsford Smith

Tue 19/5

09:20-11:17

3 stops39h 57m

$1,694

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 7/3

12:23-06:30

2 stops27h 07m

Brisbane

Sat 14/3

19:40-11:35

2 stops29h 55m

$1,776

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 19/2

15:21-06:30

1 stop24h 09m

Brisbane

Thu 26/2

09:40-22:59

1 stop28h 19m

$1,780

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 1/2

18:34-07:30

1 stop21h 56m

Brisbane

Sat 14/2

11:40-17:20

1 stop20h 40m

$1,792

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 18/3

08:31-06:30

1 stop31h 59m

Brisbane

Wed 25/3

10:40-17:20

1 stop20h 40m

$1,799

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Mon 23/2

08:30-10:25

2 stops33h 55m

Melbourne

Wed 4/3

16:05-20:57

1 stop20h 52m

$1,829

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 17/6

15:47-05:00

1 stop23h 13m

Melbourne

Mon 29/6

13:35-23:51

1 stop24h 16m

$1,832

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 $1,279. 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 $1,288.

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 $2,003 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 $970 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	22h 15m
Direct flights	None

The fastest flight from Washington, D.C. to Australia takes 22h 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 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 $2,147	Free cancellation	Rating 7.4 9,191 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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Sat 21/2

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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 $127

Look for other cheap flights to Perthfrom $348

Look for other cheap flights to Adelaide

Look for other cheap flights to Coolangattafrom $120

Look for other cheap flights to Cairnsfrom $170

Look for other cheap flights to Hobartfrom $153

Look for other cheap flights to Canberrafrom $167

Look for other cheap flights to Darwinfrom $324

Look for other cheap flights to Maroochydorefrom $126

Look for other cheap flights to Launcestonfrom $108

Cheap flights from Washington, D.C. to Australia from $732

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 28/2. 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

Cheap return flights

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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

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

Our best Turkish 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?

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, 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

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