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 56m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sydney, then the average flight time is 26h 15m.

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

Fiji Airways, United Airlines, and Delta 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 March 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.

$665 Cheap Flights from Washington, D.C. to Australia in 2026

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.

09:45 - 07:05

IAD

BNE

31h 20m

2 stops

10:45 - 20:54

BNE

IAD

25h 09m

2 stops

$1,355Air Canada

Sun, 7 Jun - Tue, 10 Nov

09:55 - 07:05

IAD

BNE

31h 10m

2 stops

10:00 - 20:29

BNE

IAD

24h 29m

2 stops

$1,362Air Canada

Sun, 5 Apr - Sun, 19 Apr

16:05 - 07:05

IAD

BNE

25h 00m

2 stops

10:45 - 21:00

BNE

IAD

25h 15m

2 stops

$1,373Multiple Airlines

Mon, 8 Jun - Tue, 10 Nov

16:05 - 07:05

IAD

BNE

25h 00m

2 stops

10:45 - 20:54

BNE

IAD

25h 09m

2 stops

$1,379Multiple Airlines

Sun, 7 Jun - Wed, 11 Nov

15:31 - 05:00

BWI

BNE

23h 29m

2 stops

20:35 - 10:05

BNE

BWI

27h 30m

2 stops

$1,555American Airlines

Mon, 20 Apr - Mon, 27 Apr

18:59 - 06:30

BWI

BNE

21h 31m

1 stop

10:30 - 17:57

BNE

BWI

21h 27m

1 stop

$1,567United Airlines

Fri, 12 Jun - Wed, 8 Jul

15:03 - 06:30

BWI

BNE

25h 27m

2 stops

10:30 - 21:26

BNE

BWI

24h 56m

2 stops

$1,573United Airlines

Fri, 12 Jun - Wed, 8 Jul

16:11 - 05:00

BWI

MEL

22h 49m

1 stop

13:35 - 23:09

MEL

BWI

23h 34m

1 stop

$1,652American Airlines

Sat, 11 Apr - Sat, 25 Apr

17:50 - 11:05

BWI

BNE

27h 15m

2 stops

12:20 - 22:44

BNE

BWI

24h 24m

2 stops

$1,694Air New Zealand

Wed, 22 Apr - Wed, 29 Apr

12:47 - 08:45

BWI

SYD

29h 58m

2 stops

09:55 - 05:14

SYD

BWI

33h 19m

2 stops

$1,694Air New Zealand

Thu, 7 May - Sun, 17 May

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

7 May

BWI12:47Baltimore/Washington

29h 58m

2 stops

SYD08:45Sydney Kingsford Smith

17 May

SYD09:55Sydney Kingsford Smith

33h 19m

2 stops

BWI05:14Baltimore/Washington

$1,694

Air New Zealand

4 May

BWI17:45Baltimore/Washington

27h 10m

2 stops

MEL10:55Melbourne

11 May

MEL12:10Melbourne

31h 04m

2 stops

BWI05:14Baltimore/Washington

$1,700

Air New Zealand

22 Apr

IAD17:37Washington, D.C. Dulles Intl

27h 03m

2 stops

SYD10:40Sydney Kingsford Smith

29 Apr

SYD11:55Sydney Kingsford Smith

24h 49m

2 stops

IAD22:44Washington, D.C. Dulles Intl

$1,707

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

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

Singapore Airlines

9 June

IAD16:05Washington, D.C. Dulles Intl

25h 00m

2 stops

BNE07:05Brisbane

10 Nov

BNE10:45Brisbane

24h 41m

2 stops

IAD20:26Washington, D.C. Dulles Intl

$1,386

Singapore Airlines

19 Mar

IAD09:00Washington, D.C. Dulles Intl

32h 35m

1 stop

SYD08:35Sydney Kingsford Smith

9 Apr

SYD09:20Sydney Kingsford Smith

26h 05m

1 stop

IAD21:25Washington, D.C. Dulles Intl

$2,259

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 7/6

09:45-07:05

2 stops31h 20m

Brisbane

Tue 10/11

10:45-20:54

2 stops25h 09m

$1,355

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 5/4

09:55-07:05

2 stops31h 10m

Brisbane

Sun 19/4

10:00-20:29

2 stops24h 29m

$1,362

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 8/6

16:05-07:05

2 stops25h 00m

Brisbane

Tue 10/11

10:45-21:00

2 stops25h 15m

$1,373

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 7/6

16:05-07:05

2 stops25h 00m

Brisbane

Wed 11/11

10:45-20:54

2 stops25h 09m

$1,379

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 20/4

15:31-05:00

2 stops23h 29m

Brisbane

Mon 27/4

20:35-10:05

2 stops27h 30m

$1,555

Fastest return journey

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 12/6

18:59-06:30

1 stop21h 31m

Brisbane

Wed 8/7

10:30-17:57

1 stop21h 27m

$1,567

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 12/6

15:03-06:30

2 stops25h 27m

Brisbane

Wed 8/7

10:30-21:26

2 stops24h 56m

$1,573

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 11/4

16:11-05:00

1 stop22h 49m

Melbourne

Sat 25/4

13:35-23:09

1 stop23h 34m

$1,652

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Wed 22/4

17:50-11:05

2 stops27h 15m

Brisbane

Wed 29/4

12:20-22:44

2 stops24h 24m

$1,694

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 7/5

12:47-08:45

2 stops29h 58m

Sydney Kingsford Smith

Sun 17/5

09:55-05:14

2 stops33h 19m

$1,694

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 $1,553. If you don’t want to visit Australia in August, then you should wait until February to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,821.

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 $2,276 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 $922 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 March 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 $1,825	Free cancellation	Rating 7.4 9,414 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.