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Cheap flights from Washington, D.C. to Australia from $582

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 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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American Airlines Logo
11:50 am - 5:00 amBWI-BNE
26h 10m2 stops
American Airlines Logo
7:40 pm - 10:14 amBNE-BWI
29h 34m2 stops
$992American Airlines
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Sun, Nov 2 - Mon, Nov 17
American Airlines Logo
11:58 am - 5:00 amBWI-BNE
26h 02m2 stops
American Airlines Logo
9:40 am - 2:30 pmBNE-BWI
19h 50m1 stop
$999American Airlines
Find Deal
Sun, Nov 2 - Mon, Nov 17
United Airlines Logo
6:35 pm - 7:30 amBWI-BNE
21h 55m1 stop
United Airlines Logo
11:40 am - 7:21 pmBNE-BWI
22h 41m2 stops
$1,014United Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 17
Delta Logo
7:45 pm - 8:20 amBWI-BNE
45h 35m2 stops
Delta Logo
11:05 am - 12:26 amBNE-BWI
28h 21m2 stops
$1,030Delta
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Sun, Nov 2 - Wed, Nov 19
United Airlines Logo
8:15 am - 7:30 amBWI-BNE
32h 15m2 stops
United Airlines Logo
11:40 am - 9:59 amBNE-BWI
37h 19m2 stops
$1,031United Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
Delta Logo
7:45 pm - 8:20 amBWI-BNE
45h 35m2 stops
Delta Logo
10:40 am - 8:44 pmBNE-BWI
25h 04m2 stops
$1,080Delta
Find Deal
Sun, Nov 2 - Fri, Nov 14
Qantas Airways Logo
3:41 pm - 6:55 amBWI-SYD
23h 14m1 stop
Qantas Airways Logo
6:20 am - 1:58 pmSYD-BWI
23h 38m2 stops
$1,200Qantas Airways
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Tue, Feb 3 - Tue, Mar 3
Qantas Airways Logo
1:27 pm - 5:30 amBWI-BNE
26h 03m1 stop
Qantas Airways Logo
9:40 am - 6:17 pmBNE-BWI
23h 37m1 stop
$1,203Qantas Airways
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Fri, Oct 31 - Sun, Nov 16
Air Canada Logo
9:45 am - 9:35 amIAD-SYD
31h 50m2 stops
Air Canada Logo
9:20 am - 4:17 pmSYD-IAD
20h 57m1 stop
$1,370Air Canada
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Tue, Feb 10 - Tue, May 26
Air Canada Logo
9:45 am - 9:35 amIAD-SYD
31h 50m2 stops
Air Canada Logo
10:20 am - 8:29 pmSYD-IAD
25h 09m2 stops
$1,376Air Canada
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Wed, Feb 25 - Wed, Mar 11

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

Our best Qantas Airways deals on Washington, D.C. to Australia flight tickets
Qantas Airways
Feb 3
BWI3:41 pmBaltimore/Washington
23h 14m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 3
SYD6:20 amSydney Kingsford Smith
23h 38m
2 stops
BWI1:58 pmBaltimore/Washington
$1,200
Find similar
Qantas Airways
Oct 31
BWI1:27 pmBaltimore/Washington
26h 03m
1 stop
BNE5:30 amBrisbane
Nov 16
BNE9:40 amBrisbane
23h 37m
1 stop
BWI6:17 pmBaltimore/Washington
$1,203
Find similar
Qantas Airways
Feb 24
BWI3:21 pmBaltimore/Washington
23h 34m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 10
SYD1:05 pmSydney Kingsford Smith
20h 06m
1 stop
BWI6:11 pmBaltimore/Washington
$1,234
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Alaska Airlines flights from Washington, D.C. to Australia

Our best Alaska Airlines deals on Washington, D.C. to Australia flight tickets
Alaska Airlines
Nov 12
DCA9:59 amWashington, D.C. Reagan-National
41h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
Nov 18
SYD9:40 pmSydney Kingsford Smith
40h 19m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,231
Find similar
Alaska Airlines
Nov 12
DCA9:59 amWashington, D.C. Reagan-National
41h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
Nov 22
SYD9:40 pmSydney Kingsford Smith
40h 19m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,239
Find similar
Alaska Airlines
Nov 13
DCA9:59 amWashington, D.C. Reagan-National
41h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
Nov 18
SYD9:40 pmSydney Kingsford Smith
40h 19m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,245
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 14, 2025.
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 11/2

11:50 am-5:00 am

2 stops26h 10m

Brisbane

Mon 11/17

7:40 pm-10:14 am

2 stops29h 34m

$992

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

11:58 am-5:00 am

2 stops26h 02m

Brisbane

Mon 11/17

9:40 am-2:30 pm

1 stop19h 50m

$999

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 11/3

6:35 pm-7:30 am

1 stop21h 55m

Brisbane

Mon 11/17

11:40 am-7:21 pm

2 stops22h 41m

$1,014

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

7:45 pm-8:20 am

2 stops45h 35m

Brisbane

Wed 11/19

11:05 am-12:26 am

2 stops28h 21m

$1,030

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

8:15 am-7:30 am

2 stops32h 15m

Brisbane

Sun 11/9

11:40 am-9:59 am

2 stops37h 19m

$1,031

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/2

7:45 pm-8:20 am

2 stops45h 35m

Brisbane

Fri 11/14

10:40 am-8:44 pm

2 stops25h 04m

$1,080

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 2/3

3:41 pm-6:55 am

1 stop23h 14m

Sydney Kingsford Smith

Tue 3/3

6:20 am-1:58 pm

2 stops23h 38m

$1,200

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 10/31

1:27 pm-5:30 am

1 stop26h 03m

Brisbane

Sun 11/16

9:40 am-6:17 pm

1 stop23h 37m

$1,203

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 2/10

9:45 am-9:35 am

2 stops31h 50m

Sydney Kingsford Smith

Tue 5/26

9:20 am-4:17 pm

1 stop20h 57m

$1,370

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 2/25

9:45 am-9:35 am

2 stops31h 50m

Sydney Kingsford Smith

Wed 3/11

10:20 am-8:29 pm

2 stops25h 09m

$1,376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

What is the cheapest month to fly to Australia?

The month of August is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $862. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in August, still average around $900.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Washington, D.C. to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,260. On the other hand, Monday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,520.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,368 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,647 on average. Flights to Australia from Washington, D.C. in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,287 when searching weeks out. 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 $534 on momondo.

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

You could potentially save up to 6% 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

Direct flights

None
There are no direct flights from Washington, D.C. to Australia. There are no popular flight routes from Washington, D.C. to Australia.
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  • When did momondo last update prices for flights from Washington, D.C. to Australia?

    Prices for flights from Washington, D.C. to Australia refresh daily.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Australia.

  • What documentation or ID do you need to fly to Australia?

    The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
DeltaPriceFrom $276Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $327Free CancellationRating
7.4
8,973 reviews
Search United Airlines flights
American AirlinesPriceFrom $674Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $678Free CancellationRating
7.5
919 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $854Free CancellationRating
7.1
10,288 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,257Free CancellationRating
8.0
513 reviews
Search Air New Zealand flights
ANAPriceFrom $1,370Free CancellationRating
8.4
984 reviews
Search ANA flights
Qatar AirwaysPriceFrom $1,961Free CancellationRating
7.4
3,647 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Australia for you.

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Australia?

Once you have performed a search for Washington, D.C. to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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