Cheap flights from Washington, D.C. to Australia from $495

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 3/3. 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
9:45 am - 7:05 am
IAD
-
BNE
31h 20m
2 stops
Air Canada Logo
10:00 am - 6:22 am
BNE
-
IAD
34h 22m
1 stop
$1,010Air Canada
Tue, May 19 - Sun, May 24
Air Canada Logo
9:55 am - 7:05 am
IAD
-
BNE
31h 10m
2 stops
Air Canada Logo
10:00 am - 8:37 pm
BNE
-
IAD
24h 37m
2 stops
$1,012Air Canada
Mon, Mar 30 - Wed, Apr 15
Air Canada Logo
9:40 am - 7:05 am
DCA
-
BNE
31h 25m
2 stops
Air Canada Logo
10:00 am - 9:55 pm
BNE
-
DCA
25h 55m
2 stops
$1,014Air Canada
Tue, May 19 - Sun, May 24
Qantas Airways Logo
3:21 pm - 2:25 pm
BWI
-
SYD
31h 04m
2 stops
Qantas Airways Logo
7:15 pm - 6:13 pm
SYD
-
BWI
37h 58m
2 stops
$1,217Qantas Airways
Sun, Mar 1 - Tue, Mar 10
Air New Zealand Logo
12:45 pm - 7:20 am
DCA
-
SYD
28h 35m
2 stops
Air New Zealand Logo
9:20 am - 12:01 pm
SYD
-
DCA
40h 41m
2 stops
$1,239Air New Zealand
Mon, May 11 - Mon, May 25
Qantas Airways Logo
3:21 pm - 2:25 pm
BWI
-
SYD
31h 04m
2 stops
Qantas Airways Logo
7:15 pm - 2:32 pm
SYD
-
BWI
34h 17m
2 stops
$1,243Qantas Airways
Wed, Mar 4 - Mon, Mar 9
Air New Zealand Logo
12:55 pm - 8:45 am
DCA
-
SYD
29h 50m
2 stops
Air New Zealand Logo
9:55 am - 11:59 pm
SYD
-
DCA
28h 04m
2 stops
$1,247Air New Zealand
Wed, Jun 3 - Wed, Jun 10
American Airlines Logo
6:00 am - 5:00 am
BWI
-
MEL
31h 00m
1 stop
American Airlines Logo
4:05 pm - 10:59 pm
MEL
-
BWI
22h 54m
1 stop
$1,270American Airlines
Sat, Feb 28 - Sat, Mar 7
American Airlines Logo
3:21 pm - 9:30 am
BWI
-
MEL
27h 09m
2 stops
American Airlines Logo
12:00 pm - 10:00 pm
MEL
-
BWI
25h 00m
2 stops
$1,273American Airlines
Thu, Mar 12 - Mon, Mar 16
United Airlines Logo
4:03 pm - 10:00 am
BWI
-
MEL
25h 57m
2 stops
United Airlines Logo
10:30 am - 10:30 pm
MEL
-
BWI
27h 00m
2 stops
$1,283United Airlines
Thu, Mar 5 - Mon, Mar 16

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

Our best Qantas Airways deals on Washington, D.C. to Australia flight tickets
Qantas Airways
Mar 1
DCA3:59 pmWashington, D.C. Reagan-National
23h 31m
1 stop
BNE6:30 amBrisbane
Mar 14
BNE8:40 amBrisbane
24h 02m
1 stop
DCA6:42 pmWashington, D.C. Reagan-National
$1,200
Qantas Airways
Mar 1
BWI3:21 pmBaltimore/Washington
31h 04m
2 stops
SYD2:25 pmSydney Kingsford Smith
Mar 10
SYD7:15 pmSydney Kingsford Smith
37h 58m
2 stops
BWI6:13 pmBaltimore/Washington
$1,217
Qantas Airways
Mar 4
BWI3:21 pmBaltimore/Washington
31h 04m
2 stops
SYD2:25 pmSydney Kingsford Smith
Mar 9
SYD7:15 pmSydney Kingsford Smith
34h 17m
2 stops
BWI2:32 pmBaltimore/Washington
$1,243

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

Our best Turkish Airlines deals on Washington, D.C. to Australia flight tickets
Turkish Airlines
Feb 25
IAD9:15 pmWashington, D.C. Dulles Intl
54h 05m
2 stops
SYD7:20 pmSydney Kingsford Smith
Mar 11
SYD9:15 pmSydney Kingsford Smith
54h 30m
2 stops
IAD12:45 pmWashington, D.C. Dulles Intl
$1,315
Turkish Airlines
Feb 25
IAD9:15 pmWashington, D.C. Dulles Intl
54h 05m
2 stops
SYD7:20 pmSydney Kingsford Smith
Mar 11
SYD9:15 pmSydney Kingsford Smith
38h 05m
2 stops
IAD8:20 pmWashington, D.C. Dulles Intl
$1,316
Turkish Airlines
Feb 25
IAD9:15 pmWashington, D.C. Dulles Intl
54h 05m
2 stops
SYD7:20 pmSydney Kingsford Smith
Mar 11
SYD9:15 pmSydney Kingsford Smith
38h 05m
2 stops
IAD8:20 pmWashington, D.C. Dulles Intl
$1,317

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 February 12, 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

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 5/19

9:45 am-7:05 am

2 stops31h 20m

Brisbane

Sun 5/24

10:00 am-6:22 am

1 stop34h 22m

$1,010

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 3/30

9:55 am-7:05 am

2 stops31h 10m

Brisbane

Wed 4/15

10:00 am-8:37 pm

2 stops24h 37m

$1,012

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 5/19

9:40 am-7:05 am

2 stops31h 25m

Brisbane

Sun 5/24

10:00 am-9:55 pm

2 stops25h 55m

$1,014

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 3/1

3:21 pm-2:25 pm

2 stops31h 04m

Sydney Kingsford Smith

Tue 3/10

7:15 pm-6:13 pm

2 stops37h 58m

$1,217

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 5/11

12:45 pm-7:20 am

2 stops28h 35m

Sydney Kingsford Smith

Mon 5/25

9:20 am-12:01 pm

2 stops40h 41m

$1,239

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 3/4

3:21 pm-2:25 pm

2 stops31h 04m

Sydney Kingsford Smith

Mon 3/9

7:15 pm-2:32 pm

2 stops34h 17m

$1,243

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/3

12:55 pm-8:45 am

2 stops29h 50m

Sydney Kingsford Smith

Wed 6/10

9:55 am-11:59 pm

2 stops28h 04m

$1,247

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sat 2/28

6:00 am-5:00 am

1 stop31h 00m

Melbourne

Sat 3/7

4:05 pm-10:59 pm

1 stop22h 54m

$1,270

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 3/12

3:21 pm-9:30 am

2 stops27h 09m

Melbourne

Mon 3/16

12:00 pm-10:00 pm

2 stops25h 00m

$1,273

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Thu 3/5

4:03 pm-10:00 am

2 stops25h 57m

Melbourne

Mon 3/16

10:30 am-10:30 pm

2 stops27h 00m

$1,283

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 June is, on average, the cheapest month to fly to Australia from Washington, D.C., with most prices found around $990. If you aren’t able to travel during the month of June, then book flights to Australia from Washington, D.C. during August instead. Flights to Australia in August, while not as cheap as those in June, still average around $1,037.

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 $1,491 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 33m

Direct flights

None
The fastest flight from Washington, D.C. to Australia takes 21h 33m
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
8,182 reviews
Search Delta flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
9,282 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $587Free CancellationRating
7.5
988 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $818Free CancellationRating
7.2
11,272 reviews
Search American Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,710 reviews
Search Air Canada flights
Qatar AirwaysPriceFrom $1,195Free CancellationRating
7.4
3,731 reviews
Search Qatar Airways flights
Air New ZealandPriceFrom $1,257Free CancellationRating
8.0
582 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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Sat 3/14
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