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Cheap flights from Washington, D.C. Reagan-National Airport to Australia from $657

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. Reagan-National Airport to Australia departing on 23/11. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Australia

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
08:35 - 09:00DCA-SYD
32h 25m1 stop
American Airlines Logo
11:20 - 18:42SYD-DCA
23h 22m2 stops
$1,296American Airlines
Find Deal
Wed, 19 Nov - Fri, 28 Nov
Qantas Airways Logo
17:21 - 07:30DCA-SYD
23h 09m1 stop
Qantas Airways Logo
11:20 - 20:00SYD-DCA
23h 40m1 stop
$1,298Qantas Airways
Find Deal
Mon, 20 Oct - Wed, 29 Oct
Delta Logo
16:51 - 07:35DCA-SYD
23h 44m1 stop
Delta Logo
10:40 - 16:46SYD-DCA
21h 06m1 stop
$1,326Delta
Find Deal
Sun, 19 Oct - Sun, 2 Nov
Delta Logo
16:51 - 07:35DCA-SYD
23h 44m1 stop
Delta Logo
10:40 - 23:00SYD-DCA
27h 20m2 stops
$1,332Delta
Find Deal
Sun, 19 Oct - Sun, 2 Nov
Multiple Airlines Logo
09:59 - 07:30DCA-SYD
30h 31m1 stop
Multiple Airlines Logo
11:20 - 20:00SYD-DCA
24h 40m1 stop
$1,366Multiple Airlines
Find Deal
Thu, 23 Oct - Sat, 8 Nov
Multiple Airlines Logo
08:35 - 09:00DCA-SYD
32h 25m1 stop
Multiple Airlines Logo
17:45 - 20:00SYD-DCA
42h 15m1 stop
$1,398Multiple Airlines
Find Deal
Thu, 25 Dec - Sun, 11 Jan
Fiji Airways Logo
16:59 - 13:05DCA-CBR
28h 06m2 stops
Fiji Airways Logo
14:10 - 21:00CBR-DCA
22h 50m2 stops
$1,718Fiji Airways
Find Deal
Sat, 8 Nov - Sat, 22 Nov
Fiji Airways Logo
19:02 - 12:45DCA-SYD
26h 43m2 stops
Fiji Airways Logo
14:30 - 20:59SYD-DCA
22h 29m2 stops
$1,918Fiji Airways
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Tue, 28 Oct - Sat, 8 Nov
Air Canada Logo
20:40 - 16:10DCA-ADL
52h 00m3 stops
Air Canada Logo
06:00 - 22:35ADL-DCA
31h 05m3 stops
$1,922Air Canada
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Wed, 4 Mar - Tue, 24 Mar
Air Canada Logo
09:40 - 09:35DCA-SYD
31h 55m2 stops
Air Canada Logo
11:20 - 21:56SYD-DCA
26h 36m2 stops
$2,180Air Canada
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Thu, 25 Dec - Sun, 25 Jan

American Airlines flights from Washington, D.C. Reagan-National Airport to Australia

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Australia flight tickets
American Airlines
19 Nov
DCA08:35Washington, D.C. Reagan-National
32h 25m
1 stop
SYD09:00Sydney Kingsford Smith
28 Nov
SYD11:20Sydney Kingsford Smith
23h 22m
2 stops
DCA18:42Washington, D.C. Reagan-National
$1,296
Find similar
American Airlines
20 Oct
DCA17:21Washington, D.C. Reagan-National
23h 44m
1 stop
SYD08:05Sydney Kingsford Smith
29 Oct
SYD13:05Sydney Kingsford Smith
20h 39m
1 stop
DCA18:44Washington, D.C. Reagan-National
$1,299
Find similar
American Airlines
9 Nov
DCA08:35Washington, D.C. Reagan-National
32h 25m
1 stop
SYD09:00Sydney Kingsford Smith
16 Nov
SYD14:05Sydney Kingsford Smith
24h 55m
1 stop
DCA23:00Washington, D.C. Reagan-National
$1,301
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Qantas Airways flights from Washington, D.C. Reagan-National Airport to Australia

Our best Qantas Airways deals on Washington, D.C. Reagan-National Airport to Australia flight tickets
Qantas Airways
20 Oct
DCA17:21Washington, D.C. Reagan-National
23h 09m
1 stop
SYD07:30Sydney Kingsford Smith
29 Oct
SYD11:20Sydney Kingsford Smith
23h 40m
1 stop
DCA20:00Washington, D.C. Reagan-National
$1,298
Find similar
Qantas Airways
25 Dec
DCA08:35Washington, D.C. Reagan-National
32h 25m
1 stop
SYD09:00Sydney Kingsford Smith
21 Jan
SYD11:20Sydney Kingsford Smith
24h 40m
1 stop
DCA20:00Washington, D.C. Reagan-National
$1,303
Find similar
Qantas Airways
19 Oct
DCA17:21Washington, D.C. Reagan-National
23h 44m
1 stop
SYD08:05Sydney Kingsford Smith
21 Oct
SYD10:10Sydney Kingsford Smith
26h 04m
1 stop
DCA21:14Washington, D.C. Reagan-National
$1,315
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport 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 17 October 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 19/11

08:35-09:00

1 stop32h 25m

Sydney Kingsford Smith

Fri 28/11

11:20-18:42

2 stops23h 22m

$1,296

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 20/10

17:21-07:30

1 stop23h 09m

Sydney Kingsford Smith

Wed 29/10

11:20-20:00

1 stop23h 40m

$1,298

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 19/10

16:51-07:35

1 stop23h 44m

Sydney Kingsford Smith

Sun 2/11

10:40-16:46

1 stop21h 06m

$1,326

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 19/10

16:51-07:35

1 stop23h 44m

Sydney Kingsford Smith

Sun 2/11

10:40-23:00

2 stops27h 20m

$1,332

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 23/10

09:59-07:30

1 stop30h 31m

Sydney Kingsford Smith

Sat 8/11

11:20-20:00

1 stop24h 40m

$1,366

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 25/12

08:35-09:00

1 stop32h 25m

Sydney Kingsford Smith

Sun 11/1

17:45-20:00

1 stop42h 15m

$1,398

Washington, D.C.Canberra

DCA - CBR

DCACBR

Washington, D.C. Reagan-National

Sat 8/11

16:59-13:05

2 stops28h 06m

Canberra

Sat 22/11

14:10-21:00

2 stops22h 50m

$1,718

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 28/10

19:02-12:45

2 stops26h 43m

Sydney Kingsford Smith

Sat 8/11

14:30-20:59

2 stops22h 29m

$1,918

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 4/3

20:40-16:10

3 stops52h 00m

Adelaide

Tue 24/3

06:00-22:35

3 stops31h 05m

$1,922

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 25/12

09:40-09:35

2 stops31h 55m

Sydney Kingsford Smith

Sun 25/1

11:20-21:56

2 stops26h 36m

$2,180

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. Reagan-National Airport 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, March is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,330. If you don’t want to visit Australia in March, then you should wait until August to fly from Washington, D.C. Reagan-National Airport, when ticket prices are also cheap, with an average price of $1,335.

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. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,850 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. Reagan-National Airport for as low as $1,296 on momondo.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Australia flights?

You could potentially save up to 40% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Australia flight.

Cheap Washington, D.C. Reagan-National Airport to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Australia

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Australia. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Australia.
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  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Australia?

    Prices for flights from Washington, D.C. Reagan-National Airport to Australia are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Australia.

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

    The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Australia. momondo saves you time and could save you money on your trip.

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

Flights from Washington, D.C. to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Washington, D.C. to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 offers price alerts on flights to Australia from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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