Cheap flights from Washington, D.C. to Australia from $467

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 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

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
7:23 pm - 7:30 am
BWI
-
MEL
22h 07m
1 stop
United Airlines Logo
10:55 am - 5:57 pm
MEL
-
BWI
21h 02m
1 stop
$1,269United Airlines
Mon, Jun 1 - Mon, Jun 8
United Airlines Logo
6:20 pm - 8:15 am
BWI
-
MEL
23h 55m
1 stop
United Airlines Logo
10:55 am - 5:57 pm
MEL
-
BWI
21h 02m
1 stop
$1,277United Airlines
Thu, May 14 - Mon, May 25
United Airlines Logo
6:59 pm - 8:15 am
BWI
-
MEL
23h 16m
1 stop
United Airlines Logo
10:55 am - 5:57 pm
MEL
-
BWI
21h 02m
1 stop
$1,278United Airlines
Thu, May 21 - Fri, Jun 12
Alaska Airlines Logo
9:30 am - 7:30 am
DCA
-
SYD
32h 00m
1 stop
Alaska Airlines Logo
5:50 pm - 8:00 pm
SYD
-
DCA
40h 10m
1 stop
$1,301Alaska Airlines
Wed, Aug 19 - Wed, Aug 26
Alaska Airlines Logo
9:30 am - 7:30 am
DCA
-
SYD
32h 00m
1 stop
Alaska Airlines Logo
6:50 pm - 8:00 pm
SYD
-
DCA
40h 10m
1 stop
$1,317Alaska Airlines
Tue, Sep 22 - Tue, Oct 6
Qantas Airways Logo
5:59 pm - 6:55 am
IAD
-
SYD
22h 56m
1 stop
Qantas Airways Logo
12:00 pm - 11:26 pm
SYD
-
IAD
25h 26m
1 stop
$1,363Qantas Airways
Tue, May 12 - Tue, May 19
Qantas Airways Logo
5:59 pm - 6:55 am
IAD
-
SYD
22h 56m
1 stop
Qantas Airways Logo
12:00 pm - 11:26 pm
SYD
-
IAD
25h 26m
1 stop
$1,364Qantas Airways
Wed, May 6 - Wed, May 20
Air Canada Logo
8:15 am - 7:05 am
IAD
-
BNE
32h 50m
2 stops
Air Canada Logo
9:45 am - 9:00 pm
BNE
-
IAD
25h 15m
2 stops
$1,371Air Canada
Mon, Sep 21 - Wed, Oct 28
Air Canada Logo
9:10 am - 7:05 am
IAD
-
BNE
31h 55m
2 stops
Air Canada Logo
8:45 pm - 8:25 pm
BNE
-
IAD
37h 40m
3 stops
$1,404Air Canada
Sun, Sep 6 - Tue, Sep 15
American Airlines Logo
7:16 pm - 6:55 am
BWI
-
SYD
21h 39m
1 stop
American Airlines Logo
12:00 pm - 11:43 pm
SYD
-
BWI
25h 43m
1 stop
$1,413American Airlines
Sun, Jul 26 - Sun, Aug 16

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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
Aug 19
DCA9:30 amWashington, D.C. Reagan-National
32h 00m
1 stop
SYD7:30 amSydney Kingsford Smith
Aug 26
SYD5:50 pmSydney Kingsford Smith
40h 10m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
$1,301
Alaska Airlines
Sep 22
DCA9:30 amWashington, D.C. Reagan-National
32h 00m
1 stop
SYD7:30 amSydney Kingsford Smith
Oct 6
SYD6:50 pmSydney Kingsford Smith
40h 10m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
$1,317
Alaska Airlines
Sep 9
IAD7:00 amWashington, D.C. Dulles Intl
34h 30m
2 stops
SYD7:30 amSydney Kingsford Smith
Sep 16
SYD5:50 pmSydney Kingsford Smith
25h 50m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
$1,344

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

Our best Air Canada deals on Washington, D.C. to Australia flight tickets
Air Canada
Sep 21
IAD8:15 amWashington, D.C. Dulles Intl
32h 50m
2 stops
BNE7:05 amBrisbane
Oct 28
BNE9:45 amBrisbane
25h 15m
2 stops
IAD9:00 pmWashington, D.C. Dulles Intl
$1,371
Air Canada
Sep 6
IAD9:10 amWashington, D.C. Dulles Intl
31h 55m
2 stops
BNE7:05 amBrisbane
Sep 15
BNE8:45 pmBrisbane
37h 40m
3 stops
IAD8:25 pmWashington, D.C. Dulles Intl
$1,404
Air Canada
Sep 20
IAD9:45 amWashington, D.C. Dulles Intl
31h 20m
2 stops
BNE7:05 amBrisbane
Oct 29
BNE9:45 amBrisbane
25h 09m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
$1,406

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 April 18, 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
Quickest round-trip

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Mon 6/1

7:23 pm-7:30 am

1 stop22h 07m

Melbourne

Mon 6/8

10:55 am-5:57 pm

1 stop21h 02m

$1,269

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 5/14

6:20 pm-8:15 am

1 stop23h 55m

Melbourne

Mon 5/25

10:55 am-5:57 pm

1 stop21h 02m

$1,277

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 5/21

6:59 pm-8:15 am

1 stop23h 16m

Melbourne

Fri 6/12

10:55 am-5:57 pm

1 stop21h 02m

$1,278

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 8/19

9:30 am-7:30 am

1 stop32h 00m

Sydney Kingsford Smith

Wed 8/26

5:50 pm-8:00 pm

1 stop40h 10m

$1,301

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/22

9:30 am-7:30 am

1 stop32h 00m

Sydney Kingsford Smith

Tue 10/6

6:50 pm-8:00 pm

1 stop40h 10m

$1,317

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 5/12

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Tue 5/19

12:00 pm-11:26 pm

1 stop25h 26m

$1,363

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 5/6

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Wed 5/20

12:00 pm-11:26 pm

1 stop25h 26m

$1,364

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 9/21

8:15 am-7:05 am

2 stops32h 50m

Brisbane

Wed 10/28

9:45 am-9:00 pm

2 stops25h 15m

$1,371

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 9/6

9:10 am-7:05 am

2 stops31h 55m

Brisbane

Tue 9/15

8:45 pm-8:25 pm

3 stops37h 40m

$1,404

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 7/26

7:16 pm-6:55 am

1 stop21h 39m

Sydney Kingsford Smith

Sun 8/16

12:00 pm-11:43 pm

1 stop25h 43m

$1,413

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 February is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $1,294. If you aren’t able to travel during the month of February, then book flights to Australia from Washington, D.C. during April instead. Flights to Australia in April, while not as cheap as those in February, still average around $1,297.

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 $1,610 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 $758 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 25m

Direct flights

None
The fastest flight from Washington, D.C. to Australia takes 21h 25m
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
8,424 reviews
Search Delta flights
United AirlinesPriceFrom $327Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights
Fiji AirwaysPriceFrom $719Free CancellationRating
8.1
240 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $787Free CancellationRating
7.5
1,019 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $836Free CancellationRating
7.1
11,604 reviews
Search American Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,935 reviews
Search Air Canada flights
Qatar AirwaysPriceFrom $1,195Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
Air New ZealandPriceFrom $1,195Free CancellationRating
8.0
630 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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Mon 5/18
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