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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $734

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 29/9. 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

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
07:00 - 11:50
DCA
-
SYD
38h 50m
3 stops
Multiple Airlines Logo
06:15 - 12:51
SYD
-
DCA
44h 36m
3 stops
$1,471Multiple Airlines
Fri, 14 Aug - Fri, 21 Aug
Multiple Airlines Logo
07:00 - 22:10
DCA
-
SYD
49h 10m
3 stops
Multiple Airlines Logo
13:15 - 16:59
SYD
-
DCA
41h 44m
3 stops
$1,734Multiple Airlines
Mon, 10 Aug - Mon, 24 Aug
Multiple Airlines Logo
09:30 - 12:50
DCA
-
SYD
36h 20m
2 stops
Multiple Airlines Logo
11:15 - 20:00
SYD
-
DCA
24h 45m
1 stop
$1,822Multiple Airlines
Tue, 20 Oct - Fri, 13 Nov
Multiple Airlines Logo
09:30 - 12:50
DCA
-
SYD
36h 20m
2 stops
Multiple Airlines Logo
11:15 - 20:00
SYD
-
DCA
24h 45m
1 stop
$1,838Multiple Airlines
Tue, 20 Oct - Sat, 14 Nov
Multiple Airlines Logo
09:30 - 12:50
DCA
-
SYD
36h 20m
2 stops
Multiple Airlines Logo
11:15 - 20:00
SYD
-
DCA
24h 45m
1 stop
$1,877Multiple Airlines
Wed, 21 Oct - Thu, 12 Nov
Multiple Airlines Logo
09:30 - 12:50
DCA
-
SYD
36h 20m
2 stops
Multiple Airlines Logo
11:15 - 20:00
SYD
-
DCA
24h 45m
1 stop
$1,880Multiple Airlines
Tue, 20 Oct - Sat, 14 Nov
Multiple Airlines Logo
09:30 - 12:50
DCA
-
SYD
36h 20m
2 stops
Multiple Airlines Logo
11:15 - 20:00
SYD
-
DCA
24h 45m
1 stop
$1,888Multiple Airlines
Tue, 20 Oct - Thu, 12 Nov
Multiple Airlines Logo
09:30 - 12:35
DCA
-
SYD
35h 05m
2 stops
Multiple Airlines Logo
11:15 - 20:00
SYD
-
DCA
24h 45m
1 stop
$1,890Multiple Airlines
Wed, 4 Nov - Tue, 17 Nov
Multiple Airlines Logo
07:00 - 09:15
DCA
-
SYD
36h 15m
3 stops
Multiple Airlines Logo
17:50 - 12:51
SYD
-
DCA
33h 01m
2 stops
$1,922Multiple Airlines
Mon, 17 Aug - Sun, 23 Aug
Multiple Airlines Logo
09:30 - 11:50
DCA
-
SYD
36h 20m
2 stops
Multiple Airlines Logo
17:50 - 20:00
SYD
-
DCA
40h 10m
1 stop
$1,925Multiple Airlines
Tue, 15 Sep - Wed, 30 Sep

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

Our best Air New Zealand deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
Air New Zealand
22 Sept
DCA10:58Washington, D.C. Reagan-National
31h 47m
2 stops
SYD08:45Sydney Kingsford Smith
7 Oct
SYD09:55Sydney Kingsford Smith
26h 10m
2 stops
DCA21:05Washington, D.C. Reagan-National
$1,935
Air New Zealand
10 Aug
DCA14:55Washington, D.C. Reagan-National
27h 50m
2 stops
SYD08:45Sydney Kingsford Smith
24 Aug
SYD11:55Sydney Kingsford Smith
24h 18m
2 stops
DCA22:13Washington, D.C. Reagan-National
$1,938
Air New Zealand
15 Sept
DCA17:45Washington, D.C. Reagan-National
25h 00m
2 stops
SYD08:45Sydney Kingsford Smith
30 Sept
SYD10:55Sydney Kingsford Smith
25h 19m
2 stops
DCA22:14Washington, D.C. Reagan-National
$1,941

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
2 July
DCA20:40Washington, D.C. Reagan-National
44h 40m
2 stops
SYD07:20Sydney Kingsford Smith
20 July
SYD09:20Sydney Kingsford Smith
26h 28m
2 stops
DCA21:48Washington, D.C. Reagan-National
$2,202
Air Canada
2 July
DCA20:40Washington, D.C. Reagan-National
44h 40m
2 stops
SYD07:20Sydney Kingsford Smith
9 July
SYD09:20Sydney Kingsford Smith
38h 58m
2 stops
DCA10:18Washington, D.C. Reagan-National
$2,256
Air Canada
2 July
DCA12:40Washington, D.C. Reagan-National
52h 40m
3 stops
SYD07:20Sydney Kingsford Smith
9 July
SYD09:20Sydney Kingsford Smith
27h 11m
2 stops
DCA22:31Washington, D.C. Reagan-National
$2,263

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 26 June 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 return flight

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 14/8

07:00-11:50

3 stops38h 50m

Sydney Kingsford Smith

Fri 21/8

06:15-12:51

3 stops44h 36m

$1,471

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 10/8

07:00-22:10

3 stops49h 10m

Sydney Kingsford Smith

Mon 24/8

13:15-16:59

3 stops41h 44m

$1,734

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 20/10

09:30-12:50

2 stops36h 20m

Sydney Kingsford Smith

Fri 13/11

11:15-20:00

1 stop24h 45m

$1,822

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 20/10

09:30-12:50

2 stops36h 20m

Sydney Kingsford Smith

Sat 14/11

11:15-20:00

1 stop24h 45m

$1,838

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 21/10

09:30-12:50

2 stops36h 20m

Sydney Kingsford Smith

Thu 12/11

11:15-20:00

1 stop24h 45m

$1,877

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 20/10

09:30-12:50

2 stops36h 20m

Sydney Kingsford Smith

Sat 14/11

11:15-20:00

1 stop24h 45m

$1,880

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 20/10

09:30-12:50

2 stops36h 20m

Sydney Kingsford Smith

Thu 12/11

11:15-20:00

1 stop24h 45m

$1,888
Fastest return journey

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/11

09:30-12:35

2 stops35h 05m

Sydney Kingsford Smith

Tue 17/11

11:15-20:00

1 stop24h 45m

$1,890

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 17/8

07:00-09:15

3 stops36h 15m

Sydney Kingsford Smith

Sun 23/8

17:50-12:51

2 stops33h 01m

$1,922

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 15/9

09:30-11:50

2 stops36h 20m

Sydney Kingsford Smith

Wed 30/9

17:50-20:00

1 stop40h 10m

$1,925

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 cheapest month to fly to Sydney?

The month of July is, on average, the cheapest month to fly to Sydney from Washington, D.C. Reagan-National Airport, with most prices found around $1,254. If you aren’t able to travel to Sydney during the month of July, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,879.

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

You could potentially save up to 10% 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

24h 00m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 24h 00m
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

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?

    There are 15699.1 km between Washington, D.C. Reagan-National and Sydney Kingsford Smith. Typically, this will take 24h 00m 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
Manly
Coogee
Leura
Lithgow
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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