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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $718

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 23/2. 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 Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:59 - 07:25
DCA
-
SYD
30h 26m
1 stop
Multiple Airlines Logo
14:00 - 20:00
SYD
-
DCA
45h 00m
2 stops
$1,663Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
09:59 - 07:30
DCA
-
SYD
31h 31m
1 stop
Multiple Airlines Logo
13:15 - 20:00
SYD
-
DCA
44h 45m
2 stops
$1,678Multiple Airlines
Tue, 28 Apr - Tue, 5 May
Air Canada Logo
20:40 - 09:35
DCA
-
SYD
44h 55m
2 stops
Air Canada Logo
11:20 - 08:55
SYD
-
DCA
36h 35m
2 stops
$1,694Air Canada
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
09:59 - 07:25
DCA
-
SYD
30h 26m
1 stop
Multiple Airlines Logo
14:00 - 20:00
SYD
-
DCA
45h 00m
2 stops
$1,724Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
09:59 - 07:30
DCA
-
SYD
31h 31m
1 stop
Multiple Airlines Logo
13:15 - 20:00
SYD
-
DCA
44h 45m
2 stops
$1,726Multiple Airlines
Wed, 22 Apr - Tue, 5 May
Air Canada Logo
11:00 - 07:20
DCA
-
SYD
30h 20m
2 stops
Air Canada Logo
09:20 - 21:55
SYD
-
DCA
26h 35m
2 stops
$1,738Air Canada
Sat, 16 May - Sun, 24 May
Multiple Airlines Logo
09:59 - 07:30
DCA
-
SYD
31h 31m
1 stop
Multiple Airlines Logo
13:10 - 20:00
SYD
-
DCA
44h 50m
2 stops
$1,758Multiple Airlines
Wed, 22 Apr - Wed, 29 Apr
Qantas Airways Logo
16:59 - 09:20
DCA
-
SYD
25h 21m
2 stops
Qantas Airways Logo
13:05 - 19:46
SYD
-
DCA
21h 41m
1 stop
$1,765Qantas Airways
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
09:59 - 07:30
DCA
-
SYD
31h 31m
1 stop
Multiple Airlines Logo
13:15 - 20:00
SYD
-
DCA
44h 45m
2 stops
$1,773Multiple Airlines
Wed, 22 Apr - Mon, 4 May
Qantas Airways Logo
11:50 - 10:55
DCA
-
SYD
31h 05m
2 stops
Qantas Airways Logo
13:05 - 18:42
SYD
-
DCA
20h 37m
1 stop
$1,782Qantas Airways
Mon, 9 Feb - Tue, 17 Mar

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
American Airlines
15 Mar
DCA15:49Washington, D.C. Reagan-National
26h 11m
2 stops
SYD09:00Sydney Kingsford Smith
22 Mar
SYD11:20Sydney Kingsford Smith
24h 21m
1 stop
DCA20:41Washington, D.C. Reagan-National
$1,924
American Airlines
1 Feb
DCA13:44Washington, D.C. Reagan-National
27h 16m
2 stops
SYD09:00Sydney Kingsford Smith
15 Feb
SYD11:20Sydney Kingsford Smith
25h 21m
1 stop
DCA20:41Washington, D.C. Reagan-National
$1,931
American Airlines
24 Mar
DCA16:59Washington, D.C. Reagan-National
25h 01m
1 stop
SYD09:00Sydney Kingsford Smith
7 Apr
SYD09:10Sydney Kingsford Smith
25h 25m
1 stop
DCA20:35Washington, D.C. Reagan-National
$1,932

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
9 Mar
DCA16:59Washington, D.C. Reagan-National
25h 21m
2 stops
SYD09:20Sydney Kingsford Smith
16 Mar
SYD13:05Sydney Kingsford Smith
21h 41m
1 stop
DCA19:46Washington, D.C. Reagan-National
$1,765
Qantas Airways
9 Feb
DCA11:50Washington, D.C. Reagan-National
31h 05m
2 stops
SYD10:55Sydney Kingsford Smith
17 Mar
SYD13:05Sydney Kingsford Smith
20h 37m
1 stop
DCA18:42Washington, D.C. Reagan-National
$1,782
Qantas Airways
1 Mar
DCA16:59Washington, D.C. Reagan-National
26h 36m
2 stops
SYD11:35Sydney Kingsford Smith
11 Mar
SYD13:05Sydney Kingsford Smith
21h 41m
1 stop
DCA19:46Washington, D.C. Reagan-National
$1,797

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 29 January 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

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 17/3

09:59-07:25

1 stop30h 26m

Sydney Kingsford Smith

Tue 24/3

14:00-20:00

2 stops45h 00m

$1,663

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 28/4

09:59-07:30

1 stop31h 31m

Sydney Kingsford Smith

Tue 5/5

13:15-20:00

2 stops44h 45m

$1,678

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 2/3

20:40-09:35

2 stops44h 55m

Sydney Kingsford Smith

Mon 9/3

11:20-08:55

2 stops36h 35m

$1,694

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 17/3

09:59-07:25

1 stop30h 26m

Sydney Kingsford Smith

Tue 24/3

14:00-20:00

2 stops45h 00m

$1,724

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 22/4

09:59-07:30

1 stop31h 31m

Sydney Kingsford Smith

Tue 5/5

13:15-20:00

2 stops44h 45m

$1,726

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 16/5

11:00-07:20

2 stops30h 20m

Sydney Kingsford Smith

Sun 24/5

09:20-21:55

2 stops26h 35m

$1,738

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 22/4

09:59-07:30

1 stop31h 31m

Sydney Kingsford Smith

Wed 29/4

13:10-20:00

2 stops44h 50m

$1,758

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 9/3

16:59-09:20

2 stops25h 21m

Sydney Kingsford Smith

Mon 16/3

13:05-19:46

1 stop21h 41m

$1,765

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 22/4

09:59-07:30

1 stop31h 31m

Sydney Kingsford Smith

Mon 4/5

13:15-20:00

2 stops44h 45m

$1,773

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 9/2

11:50-10:55

2 stops31h 05m

Sydney Kingsford Smith

Tue 17/3

13:05-18:42

1 stop20h 37m

$1,782

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 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?

The month of March is, on average, the cheapest month to fly to Sydney from Washington, D.C. Reagan-National Airport, with most prices found around $1,322. If you aren’t able to travel to Sydney during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,322.

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

You could potentially save up to 59% 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 return 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

22h 55m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 22h 55m
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.
Search flight deals

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

    There are 15699.1 km between Washington, D.C. Reagan-National and Sydney Kingsford Smith. Typically, this will take 22h 55m by plane in normal conditions.

  • 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 are updated daily.

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

    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 stopovers. It is recommended that you verify 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Sydney?

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

Why use momondo?

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

Finding the right flight to Sydney 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 Sydney quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Sydney flights to just show those with flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Sydney 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 Sydney right now. Can momondo alert me if prices change?

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

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