Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $720

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 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Sydney

Cheap return flights

Air Canada Logo
20:40 - 08:20DCA-SYD
44h 40m2 stops
Air Canada Logo
11:20 - 22:56SYD-DCA
26h 36m2 stops
$1,290Air Canada
Find Deal
Mon, 20 Oct - Sun, 2 Nov
Air Canada Logo
20:40 - 08:20DCA-SYD
44h 40m2 stops
Air Canada Logo
11:20 - 11:26SYD-DCA
39h 06m3 stops
$1,299Air Canada
Find Deal
Mon, 20 Oct - Sun, 2 Nov
Air Canada Logo
06:00 - 08:35DCA-SYD
35h 35m2 stops
Air Canada Logo
11:20 - 21:56SYD-DCA
26h 36m2 stops
$1,376Air Canada
Find Deal
Tue, 28 Oct - Sat, 8 Nov
Air Canada Logo
21:20 - 09:35DCA-SYD
45h 15m2 stops
Air Canada Logo
11:20 - 21:56SYD-DCA
26h 36m2 stops
$1,387Air Canada
Find Deal
Sat, 1 Nov - Sat, 8 Nov
 Logo
17:06 - 14:40DCA-SYD
31h 34m2 stops
 Logo
17:45 - 20:59SYD-DCA
41h 14m1 stop
$1,710
Find Deal
Tue, 9 Sep - Tue, 16 Sep
 Logo
17:06 - 14:40DCA-SYD
31h 34m2 stops
 Logo
17:45 - 20:59SYD-DCA
41h 14m1 stop
$1,734
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Fiji Airways Logo
19:35 - 11:45DCA-SYD
26h 10m2 stops
Fiji Airways Logo
14:45 - 23:00SYD-DCA
23h 15m2 stops
$1,924Fiji Airways
Find Deal
Sat, 27 Sep - Sat, 11 Oct
Fiji Airways Logo
19:28 - 12:45DCA-SYD
26h 17m2 stops
Fiji Airways Logo
14:30 - 21:00SYD-DCA
22h 30m2 stops
$1,932Fiji Airways
Find Deal
Tue, 28 Oct - Sat, 15 Nov
Air New Zealand Logo
16:34 - 08:45DCA-SYD
25h 11m2 stops
Air New Zealand Logo
11:45 - 20:45SYD-DCA
25h 00m2 stops
$1,966Air New Zealand
Find Deal
Wed, 29 Oct - Fri, 14 Nov
Air New Zealand Logo
14:56 - 08:45DCA-SYD
26h 49m2 stops
Air New Zealand Logo
18:20 - 22:09SYD-DCA
42h 49m2 stops
$2,004Air New Zealand
Find Deal
Fri, 17 Oct - Sat, 25 Oct

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
20 Oct
DCA20:40Washington, D.C. Reagan-National
44h 40m
2 stops
SYD08:20Sydney Kingsford Smith
2 Nov
SYD11:20Sydney Kingsford Smith
26h 36m
2 stops
DCA22:56Washington, D.C. Reagan-National
Air Canada
20 Oct
DCA20:40Washington, D.C. Reagan-National
44h 40m
2 stops
SYD08:20Sydney Kingsford Smith
2 Nov
SYD11:20Sydney Kingsford Smith
39h 06m
3 stops
DCA11:26Washington, D.C. Reagan-National
Air Canada
28 Oct
DCA06:00Washington, D.C. Reagan-National
35h 35m
2 stops
SYD08:35Sydney Kingsford Smith
8 Nov
SYD11:20Sydney Kingsford Smith
26h 36m
2 stops
DCA21:56Washington, D.C. Reagan-National

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
29 Oct
DCA16:34Washington, D.C. Reagan-National
25h 11m
2 stops
SYD08:45Sydney Kingsford Smith
14 Nov
SYD11:45Sydney Kingsford Smith
25h 00m
2 stops
DCA20:45Washington, D.C. Reagan-National
Air New Zealand
17 Oct
DCA14:56Washington, D.C. Reagan-National
26h 49m
2 stops
SYD08:45Sydney Kingsford Smith
25 Oct
SYD18:20Sydney Kingsford Smith
42h 49m
2 stops
DCA22:09Washington, D.C. Reagan-National
Air New Zealand
29 Oct
DCA08:15Washington, D.C. Reagan-National
33h 30m
2 stops
SYD08:45Sydney Kingsford Smith
17 Nov
SYD09:55Sydney Kingsford Smith
28h 14m
2 stops
DCA22:09Washington, D.C. Reagan-National

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 11 August 2025.
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

Mon 20/10

20:40-08:20

2 stops44h 40m

Sydney Kingsford Smith

Sun 2/11

11:20-22:56

2 stops26h 36m

$1,290

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 20/10

20:40-08:20

2 stops44h 40m

Sydney Kingsford Smith

Sun 2/11

11:20-11:26

3 stops39h 06m

$1,299

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 28/10

06:00-08:35

2 stops35h 35m

Sydney Kingsford Smith

Sat 8/11

11:20-21:56

2 stops26h 36m

$1,376

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 1/11

21:20-09:35

2 stops45h 15m

Sydney Kingsford Smith

Sat 8/11

11:20-21:56

2 stops26h 36m

$1,387

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/9

17:06-14:40

2 stops31h 34m

Sydney Kingsford Smith

Tue 16/9

17:45-20:59

1 stop41h 14m

$1,710

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 23/9

17:06-14:40

2 stops31h 34m

Sydney Kingsford Smith

Tue 30/9

17:45-20:59

1 stop41h 14m

$1,734

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 27/9

19:35-11:45

2 stops26h 10m

Sydney Kingsford Smith

Sat 11/10

14:45-23:00

2 stops23h 15m

$1,924

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 28/10

19:28-12:45

2 stops26h 17m

Sydney Kingsford Smith

Sat 15/11

14:30-21:00

2 stops22h 30m

$1,932

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 29/10

16:34-08:45

2 stops25h 11m

Sydney Kingsford Smith

Fri 14/11

11:45-20:45

2 stops25h 00m

$1,966

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 17/10

14:56-08:45

2 stops26h 49m

Sydney Kingsford Smith

Sat 25/10

18:20-22:09

2 stops42h 49m

$2,004

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 $1,324. 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 $1,328.

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

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,111. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,356.

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

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Sydney in the morning for as low as $2,139. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,966 on average. Flights to Sydney from Washington, D.C. Reagan-National Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,824 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Washington, D.C. Reagan-National Airport for as low as $1,290 on momondo.

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

You could potentially save up to 41% 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

Best price found

$720

Fastest flight time

25h 11m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Washington, D.C. Reagan-National Airport in the past 72 hours is $720. The best return flight deal from Washington, D.C. Reagan-National Airport to Sydney found on momondo in the last 72 hours is $1,290.
The fastest flight from Washington, D.C. Reagan-National Airport to Sydney takes 25h 11m
There are no direct flights from Washington, D.C. Reagan-National Airport to Sydney. Popular non-direct route for this connection is Washington, D.C. Reagan-National Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
  • 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 25h 11m 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
Katoomba
Lithgow
Penrith
Leura
Manly
Bondi Beach
Coogee
Randwick
Cronulla
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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