Cheap flights from Washington, D.C. to Australia from $627

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 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:05 - 08:45DCA-BNE
30h 40m2 stops
Air Canada Logo
10:45 - 10:21BNE-DCA
38h 36m2 stops
$1,165Air Canada
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Tue, 25 Nov - Tue, 2 Dec
Air Canada Logo
13:20 - 08:45IAD-BNE
28h 25m2 stops
Air Canada Logo
10:45 - 11:23BNE-IAD
39h 38m2 stops
$1,165Air Canada
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Multiple Airlines Logo
22:05 - 07:45IAD-BNE
43h 40m2 stops
Multiple Airlines Logo
20:45 - 20:30BNE-IAD
37h 45m3 stops
$1,212Multiple Airlines
Find Deal
Mon, 16 Mar - Mon, 13 Apr
American Airlines Logo
09:15 - 05:00IAD-BNE
28h 45m2 stops
American Airlines Logo
09:40 - 21:15BNE-IAD
26h 35m1 stop
$1,277American Airlines
Find Deal
Thu, 26 Feb - Sun, 8 Mar
American Airlines Logo
14:59 - 06:30DCA-BNE
24h 31m1 stop
American Airlines Logo
09:40 - 18:30BNE-DCA
23h 50m2 stops
$1,291American Airlines
Find Deal
Thu, 1 Jan - Sat, 17 Jan
Multiple Airlines Logo
12:55 - 07:45DCA-BNE
28h 50m2 stops
Multiple Airlines Logo
20:00 - 19:59BNE-DCA
37h 59m3 stops
$1,293Multiple Airlines
Find Deal
Mon, 16 Mar - Mon, 13 Apr
United Airlines Logo
17:59 - 07:30DCA-BNE
22h 31m1 stop
United Airlines Logo
11:40 - 16:49BNE-DCA
20h 09m1 stop
$1,294United Airlines
Find Deal
Wed, 26 Nov - Fri, 12 Dec
United Airlines Logo
16:10 - 06:30IAD-BNE
24h 20m1 stop
United Airlines Logo
10:40 - 00:25BNE-IAD
27h 45m1 stop
$1,294United Airlines
Find Deal
Thu, 12 Mar - Mon, 16 Mar
Delta Logo
13:40 - 06:50DCA-SYD
25h 10m2 stops
Delta Logo
13:15 - 21:13SYD-DCA
22h 58m2 stops
$1,302Delta
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Sun, 8 Feb - Tue, 10 Mar
Delta Logo
17:10 - 08:30DCA-SYD
23h 20m1 stop
Delta Logo
09:40 - 15:56SYD-DCA
21h 16m1 stop
$1,305Delta
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Sat, 14 Feb - Fri, 13 Mar

Delta flights from Washington, D.C. to Australia

Our best Delta deals on Washington, D.C. to Australia flight tickets
Delta
8 Feb
DCA13:40Washington, D.C. Reagan-National
25h 10m
2 stops
SYD06:50Sydney Kingsford Smith
10 Mar
SYD13:15Sydney Kingsford Smith
22h 58m
2 stops
DCA21:13Washington, D.C. Reagan-National
Delta
14 Feb
DCA17:10Washington, D.C. Reagan-National
23h 20m
1 stop
SYD08:30Sydney Kingsford Smith
13 Mar
SYD09:40Sydney Kingsford Smith
21h 16m
1 stop
DCA15:56Washington, D.C. Reagan-National
Delta
12 Feb
IAD13:00Washington, D.C. Dulles Intl
25h 50m
2 stops
SYD06:50Sydney Kingsford Smith
11 Mar
SYD09:40Sydney Kingsford Smith
24h 02m
2 stops
IAD18:42Washington, D.C. Dulles Intl

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

Our best British Airways deals on Washington, D.C. to Australia flight tickets
British Airways
10 Dec
IAD11:30Washington, D.C. Dulles Intl
29h 30m
2 stops
SYD09:00Sydney Kingsford Smith
17 Dec
SYD11:20Sydney Kingsford Smith
27h 48m
2 stops
IAD23:08Washington, D.C. Dulles Intl
British Airways
2 Nov
DCA15:59Washington, D.C. Reagan-National
25h 01m
2 stops
SYD09:00Sydney Kingsford Smith
16 Nov
SYD11:20Sydney Kingsford Smith
23h 22m
2 stops
DCA18:42Washington, D.C. Reagan-National
British Airways
2 Nov
IAD17:03Washington, D.C. Dulles Intl
21h 52m
1 stop
SYD06:55Sydney Kingsford Smith
16 Nov
SYD14:05Sydney Kingsford Smith
24h 27m
1 stop
IAD22:32Washington, D.C. Dulles Intl

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 29 October 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

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 25/11

11:05-08:45

2 stops30h 40m

Brisbane

Tue 2/12

10:45-10:21

2 stops38h 36m

$1,165

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Tue 25/11

13:20-08:45

2 stops28h 25m

Brisbane

Tue 2/12

10:45-11:23

2 stops39h 38m

$1,165

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Mon 16/3

22:05-07:45

2 stops43h 40m

Brisbane

Mon 13/4

20:45-20:30

3 stops37h 45m

$1,212

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Thu 26/2

09:15-05:00

2 stops28h 45m

Brisbane

Sun 8/3

09:40-21:15

1 stop26h 35m

$1,277

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Thu 1/1

14:59-06:30

1 stop24h 31m

Brisbane

Sat 17/1

09:40-18:30

2 stops23h 50m

$1,291

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Mon 16/3

12:55-07:45

2 stops28h 50m

Brisbane

Mon 13/4

20:00-19:59

3 stops37h 59m

$1,293

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 26/11

17:59-07:30

1 stop22h 31m

Brisbane

Fri 12/12

11:40-16:49

1 stop20h 09m

$1,294

Washington, D.C.Brisbane

IAD - BNE

IADBNE

Washington, D.C. Dulles Intl

Thu 12/3

16:10-06:30

1 stop24h 20m

Brisbane

Mon 16/3

10:40-00:25

1 stop27h 45m

$1,294

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 8/2

13:40-06:50

2 stops25h 10m

Sydney Kingsford Smith

Tue 10/3

13:15-21:13

2 stops22h 58m

$1,302

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 14/2

17:10-08:30

1 stop23h 20m

Sydney Kingsford Smith

Fri 13/3

09:40-15:56

1 stop21h 16m

$1,305

Flights are sorted by cheapest return 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?

In general, August is the cheapest month to fly from Washington, D.C. to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,312. If you don’t want to visit Australia in August, then you should wait until April to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $1,370.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Washington, D.C. is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,902. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Australia on a Thursday will generally be more expensive and average around $2,431. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Washington, D.C. to Australia in the morning for as low as $2,074. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $3,060. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,944 when searching weeks before you fly. 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 $813 on momondo.

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

You could potentially save up to 12% 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

Direct flights

None
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 are refreshed on a daily basis.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek 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
United AirlinesPriceFrom $2,207Free cancellationRating
7.4
9,001 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Australia?

Finding the right flight to Australia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Australia?

momondo helps you find the best flight between Washington, D.C. and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.

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1 adult
Fri 28/11
Fri 5/12

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