Cheap flights from Washington, D.C. to Australia from $581

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 8/23. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:48 pm - 5:00 am
BWI
-
MEL
22h 12m
1 stop
American Airlines Logo
12:00 pm - 11:37 pm
MEL
-
BWI
26h 37m
1 stop
$1,081American Airlines
Sat, Oct 10 - Sat, Oct 31
American Airlines Logo
6:02 am - 5:00 am
BWI
-
MEL
30h 58m
1 stop
American Airlines Logo
12:00 pm - 10:54 pm
MEL
-
BWI
26h 54m
1 stop
$1,082American Airlines
Thu, Nov 19 - Sat, Dec 5
American Airlines Logo
11:50 am - 5:00 am
BWI
-
MEL
25h 10m
2 stops
American Airlines Logo
12:00 pm - 7:25 pm
MEL
-
BWI
23h 25m
2 stops
$1,086American Airlines
Thu, Nov 19 - Sat, Dec 5
Air New Zealand Logo
7:21 pm - 7:30 am
BWI
-
MEL
22h 09m
1 stop
Air New Zealand Logo
10:55 am - 5:57 pm
MEL
-
BWI
21h 02m
1 stop
$1,091Air New Zealand
Wed, Jun 24 - Wed, Jul 1
United Airlines Logo
3:03 pm - 7:30 am
BWI
-
MEL
26h 27m
2 stops
United Airlines Logo
9:30 am - 4:35 pm
MEL
-
BWI
21h 05m
1 stop
$1,092United Airlines
Fri, Jul 31 - Fri, Aug 21
Air New Zealand Logo
10:40 am - 7:30 am
BWI
-
MEL
30h 50m
2 stops
Air New Zealand Logo
10:55 am - 5:57 pm
MEL
-
BWI
21h 02m
1 stop
$1,096Air New Zealand
Wed, Jun 24 - Wed, Jul 1
United Airlines Logo
1:00 pm - 8:15 am
BWI
-
MEL
29h 15m
2 stops
United Airlines Logo
10:30 am - 4:35 pm
MEL
-
BWI
21h 05m
1 stop
$1,097United Airlines
Sun, Aug 30 - Fri, Oct 16
Qantas Airways Logo
7:17 pm - 6:55 am
BWI
-
SYD
21h 38m
1 stop
Qantas Airways Logo
1:05 pm - 7:27 pm
SYD
-
BWI
21h 22m
1 stop
$1,251Qantas Airways
Tue, Jul 28 - Tue, Oct 27
Qantas Airways Logo
7:35 pm - 5:00 am
IAD
-
MEL
43h 25m
1 stop
Qantas Airways Logo
1:35 pm - 8:24 pm
MEL
-
IAD
20h 49m
1 stop
$1,309Qantas Airways
Sun, Sep 20 - Wed, Sep 30
Delta Logo
12:15 pm - 8:20 am
BWI
-
BNE
29h 05m
2 stops
Delta Logo
10:40 am - 10:37 pm
BNE
-
BWI
26h 57m
2 stops
$1,335Delta
Fri, Nov 13 - Wed, Nov 25

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

Our best United Airlines deals on Washington, D.C. to Australia flight tickets
United Airlines
Jul 31
BWI3:03 pmBaltimore/Washington
26h 27m
2 stops
MEL7:30 amMelbourne
Aug 21
MEL9:30 amMelbourne
21h 05m
1 stop
BWI4:35 pmBaltimore/Washington
$1,092
United Airlines
Aug 27
BWI6:52 pmBaltimore/Washington
23h 23m
1 stop
MEL8:15 amMelbourne
Oct 11
MEL10:30 amMelbourne
21h 05m
1 stop
BWI4:35 pmBaltimore/Washington
$1,093
United Airlines
Aug 30
BWI6:52 pmBaltimore/Washington
23h 23m
1 stop
MEL8:15 amMelbourne
Oct 15
MEL11:55 amMelbourne
26h 41m
2 stops
BWI11:36 pmBaltimore/Washington
$1,097

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

Our best Air Canada deals on Washington, D.C. to Australia flight tickets
Air Canada
Jun 21
IAD10:10 pmWashington, D.C. Dulles Intl
42h 55m
2 stops
BNE7:05 amBrisbane
Jul 8
BNE10:00 amBrisbane
44h 30m
2 stops
IAD4:30 pmWashington, D.C. Dulles Intl
$1,278
Air Canada
Sep 1
IAD3:45 pmWashington, D.C. Dulles Intl
25h 20m
2 stops
BNE7:05 amBrisbane
Sep 30
BNE10:00 amBrisbane
23h 00m
2 stops
IAD7:00 pmWashington, D.C. Dulles Intl
$1,287
Air Canada
Sep 6
IAD9:07 amWashington, D.C. Dulles Intl
31h 58m
2 stops
BNE7:05 amBrisbane
Sep 15
BNE10:15 amBrisbane
34h 15m
1 stop
IAD6:30 amWashington, D.C. Dulles Intl
$1,291

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 June 3, 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

Cheapest round-trip

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 10/10

3:48 pm-5:00 am

1 stop22h 12m

Melbourne

Sat 10/31

12:00 pm-11:37 pm

1 stop26h 37m

$1,081

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 11/19

6:02 am-5:00 am

1 stop30h 58m

Melbourne

Sat 12/5

12:00 pm-10:54 pm

1 stop26h 54m

$1,082

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 11/19

11:50 am-5:00 am

2 stops25h 10m

Melbourne

Sat 12/5

12:00 pm-7:25 pm

2 stops23h 25m

$1,086

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 6/24

7:21 pm-7:30 am

1 stop22h 09m

Melbourne

Wed 7/1

10:55 am-5:57 pm

1 stop21h 02m

$1,091

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Fri 7/31

3:03 pm-7:30 am

2 stops26h 27m

Melbourne

Fri 8/21

9:30 am-4:35 pm

1 stop21h 05m

$1,092

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Wed 6/24

10:40 am-7:30 am

2 stops30h 50m

Melbourne

Wed 7/1

10:55 am-5:57 pm

1 stop21h 02m

$1,096

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sun 8/30

1:00 pm-8:15 am

2 stops29h 15m

Melbourne

Fri 10/16

10:30 am-4:35 pm

1 stop21h 05m

$1,097
Quickest round-trip

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 7/28

7:17 pm-6:55 am

1 stop21h 38m

Sydney Kingsford Smith

Tue 10/27

1:05 pm-7:27 pm

1 stop21h 22m

$1,251

Washington, D.C.Melbourne

IAD - MEL

IADMEL

Washington, D.C. Dulles Intl

Sun 9/20

7:35 pm-5:00 am

1 stop43h 25m

Melbourne

Wed 9/30

1:35 pm-8:24 pm

1 stop20h 49m

$1,309

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 11/13

12:15 pm-8:20 am

2 stops29h 05m

Brisbane

Wed 11/25

10:40 am-10:37 pm

2 stops26h 57m

$1,335

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 $78. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during September instead. Flights to Australia in September, while not as cheap as those in August, still average around $82.

How far in advance should I book a flight from Washington, D.C. 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 $1,644 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 $778 on momondo.

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

You could potentially save up to 24% 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 37m

Direct flights

None
The fastest flight from Washington, D.C. to Australia takes 21h 37m
There are no direct flights from Washington, D.C. to Australia. There are no popular flight routes from Washington, D.C. to Australia.

Frequently asked questions about flying 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
8,398 reviews
Search Delta flights
United AirlinesPriceFrom $377Free CancellationRating
7.4
9,773 reviews
Search United Airlines flights
Air CanadaPriceFrom $787Free CancellationRating
7.1
11,122 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $787Free CancellationRating
7.5
1,042 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $836Free CancellationRating
7.1
11,643 reviews
Search American Airlines flights
Air New ZealandPriceFrom $1,195Free CancellationRating
8.0
645 reviews
Search Air New Zealand flights
Qatar AirwaysPriceFrom $2,062Free CancellationRating
7.4
3,729 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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1 adult
Fri 7/3
Fri 7/10

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