Cheap flights from Washington, D.C. to Australia from $539

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 2/3. 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

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Multiple Airlines Logo
4:10 pm - 8:45 am
BWI
-
BNE
25h 35m2 stops
Multiple Airlines Logo
10:45 am - 11:25 pm
BNE
-
BWI
27h 40m2 stops
$954Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Multiple Airlines Logo
4:11 pm - 8:45 am
DCA
-
BNE
25h 34m2 stops
Multiple Airlines Logo
10:45 am - 10:21 am
BNE
-
DCA
38h 36m2 stops
$1,006Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Air Canada Logo
11:05 am - 8:45 am
DCA
-
BNE
30h 40m2 stops
Air Canada Logo
10:45 am - 9:56 pm
BNE
-
DCA
26h 11m2 stops
$1,007Air Canada
Mon, Feb 9 - Mon, Feb 16
American Airlines Logo
3:21 pm - 6:30 am
BWI
-
BNE
24h 09m1 stop
American Airlines Logo
9:40 am - 2:29 pm
BNE
-
BWI
19h 49m1 stop
$1,031American Airlines
Thu, Feb 12 - Wed, Feb 18
United Airlines Logo
12:25 pm - 7:30 am
BWI
-
BNE
28h 05m2 stops
United Airlines Logo
11:40 am - 5:20 pm
BNE
-
BWI
20h 40m1 stop
$1,032United Airlines
Fri, Feb 6 - Sun, Feb 22
United Airlines Logo
6:34 pm - 7:30 am
BWI
-
BNE
21h 56m1 stop
United Airlines Logo
11:40 am - 5:20 pm
BNE
-
BWI
20h 40m1 stop
$1,033United Airlines
Fri, Feb 6 - Sun, Feb 22
Qantas Airways Logo
3:41 pm - 6:55 am
BWI
-
SYD
23h 14m1 stop
Qantas Airways Logo
6:30 am - 2:29 pm
SYD
-
BWI
23h 59m2 stops
$1,088Qantas Airways
Mon, Feb 9 - Wed, Feb 18
Qantas Airways Logo
5:00 pm - 9:00 am
DCA
-
SYD
24h 00m1 stop
Qantas Airways Logo
2:05 pm - 7:52 pm
SYD
-
DCA
21h 47m1 stop
$1,116Qantas Airways
Sat, Jan 31 - Sat, Feb 14
Delta Logo
7:06 pm - 8:00 am
BWI
-
MEL
44h 54m2 stops
Delta Logo
10:00 am - 10:03 pm
MEL
-
BWI
26h 03m2 stops
$1,219Delta
Tue, Mar 3 - Sun, Apr 19
Delta Logo
5:30 pm - 7:50 am
BWI
-
MEL
48h 20m2 stops
Delta Logo
10:00 am - 10:39 pm
MEL
-
BWI
26h 39m2 stops
$1,234Delta
Sun, May 24 - Sun, Jun 7

Air New Zealand flights from Washington, D.C. to Australia

Our best Air New Zealand deals on Washington, D.C. to Australia flight tickets
Air New Zealand
Feb 9
IAD3:19 pmWashington, D.C. Dulles Intl
25h 26m
2 stops
SYD8:45 amSydney Kingsford Smith
Feb 16
SYD11:45 amSydney Kingsford Smith
26h 31m
2 stops
IAD10:16 pmWashington, D.C. Dulles Intl
Air New Zealand
Feb 24
IAD12:35 pmWashington, D.C. Dulles Intl
28h 10m
2 stops
SYD8:45 amSydney Kingsford Smith
Mar 24
SYD9:55 amSydney Kingsford Smith
29h 33m
2 stops
IAD12:28 amWashington, D.C. Dulles Intl
Air New Zealand
Dec 28
IAD3:22 pmWashington, D.C. Dulles Intl
25h 53m
1 stop
SYD9:15 amSydney Kingsford Smith
Feb 11
SYD11:45 amSydney Kingsford Smith
26h 33m
2 stops
IAD10:18 pmWashington, D.C. Dulles Intl

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

Our best Qantas Airways deals on Washington, D.C. to Australia flight tickets
Qantas Airways
Feb 9
BWI3:41 pmBaltimore/Washington
23h 14m
1 stop
SYD6:55 amSydney Kingsford Smith
Feb 18
SYD6:30 amSydney Kingsford Smith
23h 59m
2 stops
BWI2:29 pmBaltimore/Washington
Qantas Airways
Jan 31
DCA5:00 pmWashington, D.C. Reagan-National
24h 00m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 14
SYD2:05 pmSydney Kingsford Smith
21h 47m
1 stop
DCA7:52 pmWashington, D.C. Reagan-National
Qantas Airways
Jan 28
BWI3:41 pmBaltimore/Washington
38h 09m
2 stops
MEL9:50 pmMelbourne
Feb 16
MEL4:05 pmMelbourne
22h 56m
1 stop
BWI11:01 pmBaltimore/Washington

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 December 28, 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 2/8

4:10 pm-8:45 am

2 stops25h 35m

Brisbane

Sun 2/15

10:45 am-11:25 pm

2 stops27h 40m

$954

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 2/10

4:11 pm-8:45 am

2 stops25h 34m

Brisbane

Tue 2/17

10:45 am-10:21 am

2 stops38h 36m

$1,006

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Mon 2/9

11:05 am-8:45 am

2 stops30h 40m

Brisbane

Mon 2/16

10:45 am-9:56 pm

2 stops26h 11m

$1,007

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Thu 2/12

3:21 pm-6:30 am

1 stop24h 09m

Brisbane

Wed 2/18

9:40 am-2:29 pm

1 stop19h 49m

$1,031

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 2/6

12:25 pm-7:30 am

2 stops28h 05m

Brisbane

Sun 2/22

11:40 am-5:20 pm

1 stop20h 40m

$1,032

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Fri 2/6

6:34 pm-7:30 am

1 stop21h 56m

Brisbane

Sun 2/22

11:40 am-5:20 pm

1 stop20h 40m

$1,033

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Mon 2/9

3:41 pm-6:55 am

1 stop23h 14m

Sydney Kingsford Smith

Wed 2/18

6:30 am-2:29 pm

2 stops23h 59m

$1,088

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 1/31

5:00 pm-9:00 am

1 stop24h 00m

Sydney Kingsford Smith

Sat 2/14

2:05 pm-7:52 pm

1 stop21h 47m

$1,116

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-10:03 pm

2 stops26h 03m

$1,219

BaltimoreMelbourne

BWI - MEL

BWIMEL

Baltimore/Washington

Sun 5/24

5:30 pm-7:50 am

2 stops48h 20m

Melbourne

Sun 6/7

10:00 am-10:39 pm

2 stops26h 39m

$1,234

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 $864.

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 $1,284 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 $623 on momondo.

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

You could potentially save up to 8% 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 19m

Direct flights

None
The fastest flight from Washington, D.C. to Australia takes 21h 19m
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
8,016 reviews
Search Delta flights
United AirlinesPriceFrom $327Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $682Free CancellationRating
7.5
957 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $818Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,257Free CancellationRating
8.0
562 reviews
Search Air New Zealand flights
ANAPriceFrom $1,370Free CancellationRating
8.4
1,049 reviews
Search ANA flights
Qatar AirwaysPriceFrom $1,961Free CancellationRating
7.4
3,698 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
Tue 1/27
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