Cheap flights from Washington, D.C. to Australia from $481

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 4/15. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

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Air Canada Logo
11:00 am - 7:05 am
DCA
-
BNE
30h 05m
2 stops
Air Canada Logo
10:00 am - 9:55 pm
BNE
-
DCA
25h 55m
2 stops
$963Air Canada
Sun, Apr 5 - Sun, Apr 26
Air Canada Logo
9:45 am - 7:05 am
IAD
-
BNE
31h 20m
2 stops
Air Canada Logo
10:45 am - 8:54 pm
BNE
-
IAD
25h 09m
2 stops
$963Air Canada
Sun, Jun 7 - Tue, Nov 10
Air Canada Logo
6:00 am - 7:05 am
DCA
-
BNE
35h 05m
2 stops
Air Canada Logo
10:00 am - 9:55 pm
BNE
-
DCA
25h 55m
2 stops
$964Air Canada
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
12:45 pm - 7:05 am
DCA
-
BNE
28h 20m
2 stops
Multiple Airlines Logo
10:00 am - 10:18 am
BNE
-
DCA
38h 18m
2 stops
$971Multiple Airlines
Tue, Jun 9 - Sun, Jun 28
Multiple Airlines Logo
4:05 pm - 7:05 am
IAD
-
BNE
25h 00m
2 stops
Multiple Airlines Logo
10:45 am - 9:00 pm
BNE
-
IAD
25h 15m
2 stops
$976Multiple Airlines
Mon, Jun 8 - Tue, Nov 10
Air New Zealand Logo
12:47 pm - 8:45 am
BWI
-
SYD
29h 58m
2 stops
Air New Zealand Logo
9:55 am - 5:14 am
SYD
-
BWI
33h 19m
2 stops
$1,204Air New Zealand
Thu, May 7 - Sun, May 17
Air New Zealand Logo
6:23 am - 8:45 am
BWI
-
SYD
36h 22m
2 stops
Air New Zealand Logo
11:55 am - 5:38 pm
SYD
-
BWI
43h 43m
2 stops
$1,218Air New Zealand
Tue, Apr 28 - Tue, May 12
Qantas Airways Logo
7:10 pm - 10:05 am
BWI
-
BNE
24h 55m
2 stops
Qantas Airways Logo
9:15 am - 6:17 pm
BNE
-
BWI
24h 02m
1 stop
$1,275Qantas Airways
Sun, Jun 7 - Tue, Nov 10
Qantas Airways Logo
7:03 pm - 10:05 am
BWI
-
BNE
25h 02m
2 stops
Qantas Airways Logo
8:45 am - 6:27 pm
BNE
-
BWI
23h 42m
2 stops
$1,299Qantas Airways
Mon, Apr 6 - Mon, Apr 27
Singapore Airlines Logo
4:30 pm - 7:20 am
IAD
-
SYD
24h 50m
2 stops
Singapore Airlines Logo
9:20 am - 9:25 pm
SYD
-
IAD
26h 05m
1 stop
$1,334Singapore Airlines
Thu, Apr 30 - Fri, May 8

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
May 7
BWI12:47 pmBaltimore/Washington
29h 58m
2 stops
SYD8:45 amSydney Kingsford Smith
May 17
SYD9:55 amSydney Kingsford Smith
33h 19m
2 stops
BWI5:14 amBaltimore/Washington
$1,204
Air New Zealand
Apr 28
BWI6:23 amBaltimore/Washington
36h 22m
2 stops
SYD8:45 amSydney Kingsford Smith
May 12
SYD11:55 amSydney Kingsford Smith
43h 43m
2 stops
BWI5:38 pmBaltimore/Washington
$1,218
Air New Zealand
Aug 19
BWI12:55 pmBaltimore/Washington
32h 10m
2 stops
BNE11:05 amBrisbane
Aug 26
BNE12:20 pmBrisbane
32h 35m
2 stops
BWI6:55 amBaltimore/Washington
$1,237

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

Our best Etihad Airways deals on Washington, D.C. to Australia flight tickets
Etihad Airways
Mar 29
IAD3:10 pmWashington, D.C. Dulles Intl
35h 40m
1 stop
SYD5:50 pmSydney Kingsford Smith
Apr 6
SYD3:40 pmSydney Kingsford Smith
32h 05m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$1,711
Etihad Airways
Mar 25
IAD3:35 pmWashington, D.C. Dulles Intl
35h 20m
1 stop
SYD5:55 pmSydney Kingsford Smith
Apr 7
SYD8:50 pmSydney Kingsford Smith
50h 55m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$1,714
Etihad Airways
Mar 29
IAD3:10 pmWashington, D.C. Dulles Intl
48h 25m
1 stop
SYD6:35 amSydney Kingsford Smith
Apr 12
SYD3:40 pmSydney Kingsford Smith
32h 05m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$1,745

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 March 15, 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

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 4/5

11:00 am-7:05 am

2 stops30h 05m

Brisbane

Sun 4/26

10:00 am-9:55 pm

2 stops25h 55m

$963

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Sun 6/7

9:45 am-7:05 am

2 stops31h 20m

Brisbane

Tue 11/10

10:45 am-8:54 pm

2 stops25h 09m

$963

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-7:05 am

2 stops35h 05m

Brisbane

Tue 5/5

10:00 am-9:55 pm

2 stops25h 55m

$964

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 6/9

12:45 pm-7:05 am

2 stops28h 20m

Brisbane

Sun 6/28

10:00 am-10:18 am

2 stops38h 18m

$971

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 6/8

4:05 pm-7:05 am

2 stops25h 00m

Brisbane

Tue 11/10

10:45 am-9:00 pm

2 stops25h 15m

$976

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 5/7

12:47 pm-8:45 am

2 stops29h 58m

Sydney Kingsford Smith

Sun 5/17

9:55 am-5:14 am

2 stops33h 19m

$1,204

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 4/28

6:23 am-8:45 am

2 stops36h 22m

Sydney Kingsford Smith

Tue 5/12

11:55 am-5:38 pm

2 stops43h 43m

$1,218

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Sun 6/7

7:10 pm-10:05 am

2 stops24h 55m

Brisbane

Tue 11/10

9:15 am-6:17 pm

1 stop24h 02m

$1,275
Quickest round-trip

BaltimoreBrisbane

BWI - BNE

BWIBNE

Baltimore/Washington

Mon 4/6

7:03 pm-10:05 am

2 stops25h 02m

Brisbane

Mon 4/27

8:45 am-6:27 pm

2 stops23h 42m

$1,299

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 4/30

4:30 pm-7:20 am

2 stops24h 50m

Sydney Kingsford Smith

Fri 5/8

9:20 am-9:25 pm

1 stop26h 05m

$1,334

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 $1,104. If you aren’t able to travel during the month of August, then book flights to Australia from Washington, D.C. during February instead. Flights to Australia in February, while not as cheap as those in August, still average around $1,294.

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 $1,623 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 38m

Direct flights

None
The fastest flight from Washington, D.C. to Australia takes 21h 38m
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
8,296 reviews
Search Delta flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
9,426 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $587Free CancellationRating
7.5
1,004 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $827Free CancellationRating
7.1
11,472 reviews
Search American Airlines flights
Air CanadaPriceFrom $839Free CancellationRating
7.1
10,805 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,195Free CancellationRating
8.0
610 reviews
Search Air New Zealand flights
Qatar AirwaysPriceFrom $1,961Free CancellationRating
7.4
3,737 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 4/14
Tue 4/21

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