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Cheap flights from Washington, D.C. to Australia from $561

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 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Australia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:35 pm - 7:30 amBWI-BNE
21h 55m1 stop
United Airlines Logo
11:40 am - 5:28 pmBNE-BWI
20h 48m1 stop
$1,037United Airlines
Find Deal
Sun, Nov 16 - Wed, Nov 26
United Airlines Logo
7:07 am - 7:30 amBWI-BNE
33h 23m2 stops
United Airlines Logo
11:40 am - 7:56 amBNE-BWI
35h 16m2 stops
$1,042United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
American Airlines Logo
2:09 pm - 5:00 amBWI-BNE
24h 51m2 stops
American Airlines Logo
8:05 pm - 8:34 amBNE-BWI
26h 29m2 stops
$1,049American Airlines
Find Deal
Sat, Mar 21 - Thu, Apr 2
American Airlines Logo
3:24 pm - 5:30 amBWI-BNE
24h 06m1 stop
American Airlines Logo
8:05 pm - 8:34 amBNE-BWI
26h 29m2 stops
$1,056American Airlines
Find Deal
Sat, Mar 21 - Thu, Apr 2
Delta Logo
2:58 pm - 8:20 amBWI-BNE
26h 22m2 stops
Delta Logo
9:40 am - 8:32 pmBNE-BWI
24h 52m2 stops
$1,071Delta
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Mon, Mar 2 - Fri, Mar 13
Delta Logo
1:51 pm - 8:20 amBWI-BNE
27h 29m2 stops
Delta Logo
10:40 am - 8:44 pmBNE-BWI
25h 04m2 stops
$1,072Delta
Find Deal
Mon, Nov 17 - Sun, Nov 23
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
$1,081Air Canada
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Tue, Feb 17 - Tue, May 26
Air Canada Logo
9:45 am - 9:35 amIAD-SYD
31h 50m3 stops
Air Canada Logo
9:20 am - 7:46 amSYD-IAD
36h 26m2 stops
$1,087Air Canada
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Tue, Feb 17 - Tue, May 26
Qantas Airways Logo
3:21 pm - 9:40 amBWI-BNE
27h 19m2 stops
Qantas Airways Logo
9:40 am - 2:28 pmBNE-BWI
19h 48m1 stop
$1,232Qantas Airways
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Mon, Feb 16 - Fri, Feb 27
Qantas Airways Logo
3:59 pm - 6:55 amDCA-SYD
22h 56m1 stop
Qantas Airways Logo
2:05 pm - 7:44 pmSYD-DCA
21h 39m1 stop
$1,262Qantas Airways
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Sun, Feb 1 - Wed, Feb 11

Air Canada flights from Washington, D.C. to Australia

Our best Air Canada deals on Washington, D.C. to Australia flight tickets
Air Canada
Feb 17
IAD9:45 amWashington, D.C. Dulles Intl
31h 50m
2 stops
SYD9:35 amSydney Kingsford Smith
May 26
SYD9:20 amSydney Kingsford Smith
20h 57m
1 stop
IAD4:17 pmWashington, D.C. Dulles Intl
$1,081
Find similar
Air Canada
Feb 17
IAD9:45 amWashington, D.C. Dulles Intl
31h 50m
3 stops
SYD9:35 amSydney Kingsford Smith
May 26
SYD9:20 amSydney Kingsford Smith
36h 26m
2 stops
IAD7:46 amWashington, D.C. Dulles Intl
$1,087
Find similar
Air Canada
Feb 3
IAD9:45 amWashington, D.C. Dulles Intl
31h 50m
3 stops
SYD9:35 amSydney Kingsford Smith
Feb 23
SYD11:20 amSydney Kingsford Smith
25h 34m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
$1,088
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United Airlines flights from Washington, D.C. to Australia

Our best United Airlines deals on Washington, D.C. to Australia flight tickets
United Airlines
Nov 16
BWI6:35 pmBaltimore/Washington
21h 55m
1 stop
BNE7:30 amBrisbane
Nov 26
BNE11:40 amBrisbane
20h 48m
1 stop
BWI5:28 pmBaltimore/Washington
$1,037
Find similar
United Airlines
Nov 10
BWI10:10 amBaltimore/Washington
30h 20m
2 stops
BNE7:30 amBrisbane
Nov 17
BNE11:40 amBrisbane
20h 48m
1 stop
BWI5:28 pmBaltimore/Washington
$1,041
Find similar
United Airlines
Nov 16
BWI7:07 amBaltimore/Washington
33h 23m
2 stops
BNE7:30 amBrisbane
Nov 23
BNE11:40 amBrisbane
35h 16m
2 stops
BWI7:56 amBaltimore/Washington
$1,042
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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 November 6, 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 11/16

6:35 pm-7:30 am

1 stop21h 55m

Brisbane

Wed 11/26

11:40 am-5:28 pm

1 stop20h 48m

$1,037

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 11/16

7:07 am-7:30 am

2 stops33h 23m

Brisbane

Sun 11/23

11:40 am-7:56 am

2 stops35h 16m

$1,042

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 3/21

2:09 pm-5:00 am

2 stops24h 51m

Brisbane

Thu 4/2

8:05 pm-8:34 am

2 stops26h 29m

$1,049

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sat 3/21

3:24 pm-5:30 am

1 stop24h 06m

Brisbane

Thu 4/2

8:05 pm-8:34 am

2 stops26h 29m

$1,056

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 3/2

2:58 pm-8:20 am

2 stops26h 22m

Brisbane

Fri 3/13

9:40 am-8:32 pm

2 stops24h 52m

$1,071

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 11/17

1:51 pm-8:20 am

2 stops27h 29m

Brisbane

Sun 11/23

10:40 am-8:44 pm

2 stops25h 04m

$1,072

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 2/17

9:45 am-9:35 am

2 stops31h 50m

Sydney Kingsford Smith

Tue 5/26

9:20 am-4:17 pm

1 stop20h 57m

$1,081

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 2/17

9:45 am-9:35 am

3 stops31h 50m

Sydney Kingsford Smith

Tue 5/26

9:20 am-7:46 am

2 stops36h 26m

$1,087

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 2/16

3:21 pm-9:40 am

2 stops27h 19m

Brisbane

Fri 2/27

9:40 am-2:28 pm

1 stop19h 48m

$1,232

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/1

3:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Wed 2/11

2:05 pm-7:44 pm

1 stop21h 39m

$1,262

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 $1,275 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 13% 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
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $327Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
American AirlinesPriceFrom $674Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $677Free CancellationRating
7.5
929 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $854Free CancellationRating
7.1
10,416 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,257Free CancellationRating
8.0
526 reviews
Search Air New Zealand flights
ANAPriceFrom $1,370Free CancellationRating
8.4
1,003 reviews
Search ANA flights
Qatar AirwaysPriceFrom $1,961Free CancellationRating
7.4
3,661 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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