Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $553

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 Sydney departing on 5/23. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
5:30 pm - 7:05 am
DCA
-
SYD
23h 35m
1 stop
Qantas Airways Logo
12:00 pm - 7:13 pm
SYD
-
DCA
21h 13m
1 stop
$1,136Qantas Airways
Sun, Aug 16 - Mon, Aug 24
Qantas Airways Logo
5:16 pm - 7:30 am
DCA
-
SYD
24h 14m
1 stop
Qantas Airways Logo
12:00 pm - 9:30 pm
SYD
-
DCA
23h 30m
1 stop
$1,141Qantas Airways
Wed, Jun 3 - Tue, Jun 16
Qantas Airways Logo
5:30 pm - 7:05 am
DCA
-
SYD
23h 35m
1 stop
Qantas Airways Logo
12:00 pm - 7:13 pm
SYD
-
DCA
21h 13m
1 stop
$1,155Qantas Airways
Fri, Aug 21 - Sun, Aug 30
Qantas Airways Logo
5:31 pm - 7:05 am
DCA
-
SYD
23h 34m
1 stop
Qantas Airways Logo
12:00 pm - 9:30 pm
SYD
-
DCA
23h 30m
1 stop
$1,156Qantas Airways
Sun, Jul 26 - Sun, Aug 23
Qantas Airways Logo
5:30 pm - 7:30 am
DCA
-
SYD
24h 00m
1 stop
Qantas Airways Logo
12:00 pm - 7:13 pm
SYD
-
DCA
21h 13m
1 stop
$1,157Qantas Airways
Sat, Aug 22 - Thu, Sep 3
Multiple Airlines Logo
9:30 am - 7:05 am
DCA
-
SYD
31h 35m
1 stop
Multiple Airlines Logo
12:00 pm - 7:13 pm
SYD
-
DCA
21h 13m
1 stop
$1,171Multiple Airlines
Fri, Sep 25 - Sat, Oct 3
Qantas Airways Logo
5:16 pm - 7:30 am
DCA
-
SYD
24h 14m
1 stop
Qantas Airways Logo
12:00 pm - 10:59 pm
SYD
-
DCA
24h 59m
1 stop
$1,172Qantas Airways
Mon, Jun 1 - Sat, Jul 25
Multiple Airlines Logo
9:59 am - 7:05 am
DCA
-
SYD
31h 06m
1 stop
Multiple Airlines Logo
5:50 pm - 8:00 pm
SYD
-
DCA
40h 10m
1 stop
$1,173Multiple Airlines
Tue, Jun 9 - Tue, Jul 14
Qantas Airways Logo
5:30 pm - 7:05 am
DCA
-
SYD
23h 35m
1 stop
Qantas Airways Logo
12:00 pm - 11:00 pm
SYD
-
DCA
25h 00m
1 stop
$1,179Qantas Airways
Fri, Sep 25 - Sat, Oct 3
Qantas Airways Logo
5:16 pm - 7:30 am
DCA
-
SYD
24h 14m
1 stop
Qantas Airways Logo
12:00 pm - 11:00 pm
SYD
-
DCA
25h 00m
1 stop
$1,180Qantas Airways
Wed, Jun 3 - Wed, Jun 10

Air Canada flights from Washington, D.C. Reagan-National Airport to Sydney

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
Air Canada
Apr 20
DCA6:59 amWashington, D.C. Reagan-National
34h 21m
2 stops
SYD7:20 amSydney Kingsford Smith
May 5
SYD9:20 amSydney Kingsford Smith
40h 41m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
$1,766
Air Canada
Apr 20
DCA6:00 amWashington, D.C. Reagan-National
35h 20m
3 stops
SYD7:20 amSydney Kingsford Smith
May 5
SYD9:20 amSydney Kingsford Smith
40h 41m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
$1,769
Air Canada
Apr 12
DCA12:55 pmWashington, D.C. Reagan-National
28h 25m
2 stops
SYD7:20 amSydney Kingsford Smith
Apr 29
SYD9:20 amSydney Kingsford Smith
40h 41m
2 stops
DCA12:01 pmWashington, D.C. Reagan-National
$2,003

Qantas Airways flights from Washington, D.C. Reagan-National Airport to Sydney

Our best Qantas Airways deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
Qantas Airways
Aug 16
DCA5:30 pmWashington, D.C. Reagan-National
23h 35m
1 stop
SYD7:05 amSydney Kingsford Smith
Aug 24
SYD12:00 pmSydney Kingsford Smith
21h 13m
1 stop
DCA7:13 pmWashington, D.C. Reagan-National
$1,136
Qantas Airways
Jun 3
DCA5:16 pmWashington, D.C. Reagan-National
24h 14m
1 stop
SYD7:30 amSydney Kingsford Smith
Jun 16
SYD12:00 pmSydney Kingsford Smith
23h 30m
1 stop
DCA9:30 pmWashington, D.C. Reagan-National
$1,141
Qantas Airways
Aug 21
DCA5:30 pmWashington, D.C. Reagan-National
23h 35m
1 stop
SYD7:05 amSydney Kingsford Smith
Aug 28
SYD12:00 pmSydney Kingsford Smith
23h 30m
1 stop
DCA9:30 pmWashington, D.C. Reagan-National
$1,155

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Sydney 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 April 7, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 8/16

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Mon 8/24

12:00 pm-7:13 pm

1 stop21h 13m

$1,136

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/3

5:16 pm-7:30 am

1 stop24h 14m

Sydney Kingsford Smith

Tue 6/16

12:00 pm-9:30 pm

1 stop23h 30m

$1,141

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 8/21

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Sun 8/30

12:00 pm-7:13 pm

1 stop21h 13m

$1,155

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/26

5:31 pm-7:05 am

1 stop23h 34m

Sydney Kingsford Smith

Sun 8/23

12:00 pm-9:30 pm

1 stop23h 30m

$1,156

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 8/22

5:30 pm-7:30 am

1 stop24h 00m

Sydney Kingsford Smith

Thu 9/3

12:00 pm-7:13 pm

1 stop21h 13m

$1,157

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 9/25

9:30 am-7:05 am

1 stop31h 35m

Sydney Kingsford Smith

Sat 10/3

12:00 pm-7:13 pm

1 stop21h 13m

$1,171

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/1

5:16 pm-7:30 am

1 stop24h 14m

Sydney Kingsford Smith

Sat 7/25

12:00 pm-10:59 pm

1 stop24h 59m

$1,172

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 6/9

9:59 am-7:05 am

1 stop31h 06m

Sydney Kingsford Smith

Tue 7/14

5:50 pm-8:00 pm

1 stop40h 10m

$1,173

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 9/25

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Sat 10/3

12:00 pm-11:00 pm

1 stop25h 00m

$1,179

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/3

5:16 pm-7:30 am

1 stop24h 14m

Sydney Kingsford Smith

Wed 6/10

12:00 pm-11:00 pm

1 stop25h 00m

$1,180

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 Sydney from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Sydney

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Sydney?

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $980. If you are unable to visit Sydney during the month of February, then departing from Washington, D.C. Reagan-National Airport during the month July is also very affordable. Most momondo users find prices during this month for around $1,249.

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

You could potentially save up to 55% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Sydney flight.

When to book flights from Washington, D.C. Reagan-National Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Sydney (DCA to SYD) flight deals and tips

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

Fastest flight time

23h 34m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 23h 34m
There are no direct flights from Washington, D.C. Reagan-National Airport to Sydney. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Sydney.

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Sydney

  • How far is Washington, D.C. Reagan-National to Sydney Kingsford Smith by plane?

    The straight-line distance from Washington, D.C. Reagan-National to Sydney Kingsford Smith is 9755.0 mi. In terms of flight time, this usually takes a little over 23h 34m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport 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 license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Sydney?

Best airlines flying from Washington, D.C. Reagan-National Airport to Sydney

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Sydney with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $836Free CancellationRating
7.1
11,552 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,032Free CancellationRating
7.5
1,017 reviews
Search Qantas Airways flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
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Wollongong
Penrith
Randwick
Coogee
Leura
Lithgow
Manly
Cronulla
Charlestown
Terrigal
Swansea

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

Yes. momondo enables you to select and highlight flights to Sydney from Washington, D.C. with this policy.

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