Cheap flights from Washington, D.C. to Australia from $506

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 2/23. 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

Enter your travel dates to find the best prices.
Air Canada Logo
12:55 pm - 7:05 am
DCA
-
BNE
28h 10m
2 stops
Air Canada Logo
10:00 am - 9:55 pm
BNE
-
DCA
25h 55m
2 stops
$998Air Canada
Tue, Apr 28 - Tue, May 5
Air Canada Logo
11:05 am - 7:45 am
DCA
-
BNE
30h 40m
2 stops
Air Canada Logo
9:45 am - 10:21 am
BNE
-
DCA
38h 36m
2 stops
$1,000Air Canada
Wed, Mar 11 - Wed, Mar 18
Qantas Airways Logo
3:50 pm - 5:00 am
BWI
-
MEL
23h 10m
1 stop
Qantas Airways Logo
1:35 pm - 11:51 pm
MEL
-
BWI
24h 16m
1 stop
$1,088Qantas Airways
Wed, May 20 - Sat, Jun 6
Qantas Airways Logo
3:21 pm - 5:00 am
BWI
-
MEL
22h 39m
1 stop
Qantas Airways Logo
4:05 pm - 10:59 pm
MEL
-
BWI
21h 54m
1 stop
$1,186Qantas Airways
Mon, Mar 16 - Wed, Mar 25
Delta Logo
8:38 am - 7:00 am
BWI
-
MEL
31h 22m
2 stops
Delta Logo
9:10 am - 10:14 pm
MEL
-
BWI
28h 04m
2 stops
$1,221Delta
Wed, Mar 11 - Wed, Mar 18
Delta Logo
7:06 pm - 8:00 am
BWI
-
MEL
44h 54m
2 stops
Delta Logo
10:00 am - 8:17 pm
MEL
-
BWI
24h 17m
2 stops
$1,223Delta
Tue, Mar 3 - Sun, Apr 19
American Airlines Logo
8:30 am - 9:30 am
DCA
-
MEL
34h 00m
1 stop
American Airlines Logo
12:00 pm - 3:59 pm
MEL
-
DCA
42h 59m
1 stop
$1,357American Airlines
Sun, Mar 15 - Sun, Mar 22
American Airlines Logo
8:59 am - 5:00 am
DCA
-
MEL
29h 01m
1 stop
American Airlines Logo
4:05 pm - 11:00 pm
MEL
-
DCA
21h 55m
1 stop
$1,364American Airlines
Wed, Mar 11 - Wed, Mar 18
United Airlines Logo
4:11 pm - 8:30 am
DCA
-
MEL
25h 19m
2 stops
United Airlines Logo
10:30 am - 6:46 pm
MEL
-
DCA
23h 16m
2 stops
$1,370United Airlines
Mon, Mar 9 - Mon, Mar 23
United Airlines Logo
4:28 pm - 8:30 am
DCA
-
MEL
25h 02m
2 stops
United Airlines Logo
12:00 pm - 9:45 pm
MEL
-
DCA
24h 45m
1 stop
$1,372United Airlines
Sun, Mar 15 - Sun, Mar 22

Delta flights from Washington, D.C. to Australia

Our best Delta deals on Washington, D.C. to Australia flight tickets
Delta
Mar 11
DCA4:35 pmWashington, D.C. Reagan-National
24h 45m
1 stop
BNE7:20 amBrisbane
Mar 18
BNE10:05 amBrisbane
19h 25m
1 stop
DCA3:30 pmWashington, D.C. Reagan-National
$1,213
Delta
Mar 11
BWI8:38 amBaltimore/Washington
31h 22m
2 stops
MEL7:00 amMelbourne
Mar 18
MEL9:10 amMelbourne
28h 04m
2 stops
BWI10:14 pmBaltimore/Washington
$1,221
Delta
Mar 3
BWI7:06 pmBaltimore/Washington
44h 54m
2 stops
MEL8:00 amMelbourne
Apr 19
MEL10:00 amMelbourne
24h 17m
2 stops
BWI8:17 pmBaltimore/Washington
$1,223

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

Our best Qantas Airways deals on Washington, D.C. to Australia flight tickets
Qantas Airways
May 20
BWI3:50 pmBaltimore/Washington
23h 10m
1 stop
MEL5:00 amMelbourne
Jun 6
MEL1:35 pmMelbourne
24h 16m
1 stop
BWI11:51 pmBaltimore/Washington
$1,088
Qantas Airways
Feb 11
IAD5:26 pmWashington, D.C. Dulles Intl
22h 04m
1 stop
BNE6:30 amBrisbane
Feb 28
BNE9:40 amBrisbane
28h 13m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
$1,143
Qantas Airways
Feb 11
IAD5:26 pmWashington, D.C. Dulles Intl
22h 04m
1 stop
BNE6:30 amBrisbane
Feb 28
BNE10:10 amBrisbane
27h 43m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
$1,149

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 January 29, 2026.
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

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 4/28

12:55 pm-7:05 am

2 stops28h 10m

Brisbane

Tue 5/5

10:00 am-9:55 pm

2 stops25h 55m

$998

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 3/11

11:05 am-7:45 am

2 stops30h 40m

Brisbane

Wed 3/18

9:45 am-10:21 am

2 stops38h 36m

$1,000

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 5/20

3:50 pm-5:00 am

1 stop23h 10m

Melbourne

Sat 6/6

1:35 pm-11:51 pm

1 stop24h 16m

$1,088

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 3/16

3:21 pm-5:00 am

1 stop22h 39m

Melbourne

Wed 3/25

4:05 pm-10:59 pm

1 stop21h 54m

$1,186

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 3/11

8:38 am-7:00 am

2 stops31h 22m

Melbourne

Wed 3/18

9:10 am-10:14 pm

2 stops28h 04m

$1,221

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Tue 3/3

7:06 pm-8:00 am

2 stops44h 54m

Melbourne

Sun 4/19

10:00 am-8:17 pm

2 stops24h 17m

$1,223

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sun 3/15

8:30 am-9:30 am

1 stop34h 00m

Melbourne

Sun 3/22

12:00 pm-3:59 pm

1 stop42h 59m

$1,357

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Wed 3/11

8:59 am-5:00 am

1 stop29h 01m

Melbourne

Wed 3/18

4:05 pm-11:00 pm

1 stop21h 55m

$1,364

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Mon 3/9

4:11 pm-8:30 am

2 stops25h 19m

Melbourne

Mon 3/23

10:30 am-6:46 pm

2 stops23h 16m

$1,370

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sun 3/15

4:28 pm-8:30 am

2 stops25h 02m

Melbourne

Sun 3/22

12:00 pm-9:45 pm

1 stop24h 45m

$1,372

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 April is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $869. If you aren’t able to travel during the month of April, then book flights to Australia from Washington, D.C. during August instead. Flights to Australia in August, while not as cheap as those in April, still average around $870.

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 $1,358 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 $655 on momondo.

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

You could potentially save up to 3% 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 59m

Direct flights

None
The fastest flight from Washington, D.C. to Australia takes 21h 59m
There are no direct flights from Washington, D.C. to Australia. There are no popular flight routes 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 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
8,127 reviews
Search Delta flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $587Free CancellationRating
7.5
981 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $818Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
Qatar AirwaysPriceFrom $1,195Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
Air New ZealandPriceFrom $1,257Free CancellationRating
8.0
577 reviews
Search Air New Zealand 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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1 adult
Sat 2/28
Sat 3/7

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