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Cheap flights from Sydney to Washington, D.C. from $841

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Washington, D.C. departing on 15/10. 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 Sydney to Washington, D.C. (SYD-DCA)

Cheap return flights

Air Canada Logo
10:20 - 08:59SYD-DCA
37h 39m2 stops
Air Canada Logo
11:05 - 08:35DCA-SYD
30h 30m2 stops
$1,231Air Canada
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Air Canada Logo
10:20 - 12:08SYD-DCA
40h 48m2 stops
Air Canada Logo
06:00 - 06:55DCA-SYD
32h 55m2 stops
$1,283Air Canada
Find Deal
Fri, 17 Oct - Tue, 2 Dec
Air Canada Logo
10:20 - 12:08SYD-DCA
40h 48m2 stops
Air Canada Logo
11:05 - 08:35DCA-SYD
30h 30m2 stops
$1,286Air Canada
Find Deal
Tue, 14 Oct - Tue, 28 Oct
Air Canada Logo
10:20 - 10:20SYD-DCA
39h 00m3 stops
Air Canada Logo
11:05 - 08:35DCA-SYD
30h 30m2 stops
$1,295Air Canada
Find Deal
Tue, 14 Oct - Tue, 28 Oct
Air Canada Logo
10:20 - 21:51SYD-DCA
26h 31m2 stops
Air Canada Logo
18:50 - 08:35DCA-SYD
46h 45m2 stops
$1,321Air Canada
Find Deal
Mon, 13 Oct - Mon, 27 Oct
American Airlines Logo
12:10 - 21:00SYD-DCA
22h 50m1 stop
American Airlines Logo
08:20 - 07:05DCA-SYD
32h 45m1 stop
$1,776American Airlines
Find Deal
Mon, 22 Sep - Fri, 26 Sep
Logo
10:10 - 21:14SYD-DCA
26h 04m1 stop
Logo
09:59 - 09:00DCA-SYD
32h 01m1 stop
$1,833
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Logo
10:10 - 21:14SYD-DCA
26h 04m1 stop
Logo
09:59 - 09:00DCA-SYD
32h 01m1 stop
$1,844
Find Deal
Sat, 18 Oct - Sat, 1 Nov
Alaska Airlines Logo
21:40 - 21:59SYD-DCA
39h 19m2 stops
Alaska Airlines Logo
17:53 - 19:45DCA-SYD
34h 52m2 stops
$1,957Alaska Airlines
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Alaska Airlines Logo
21:40 - 16:48SYD-DCA
34h 08m1 stop
Alaska Airlines Logo
17:00 - 19:45DCA-SYD
35h 45m2 stops
$1,958Alaska Airlines
Find Deal
Fri, 17 Oct - Fri, 31 Oct

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

Our best Air Canada deals on Sydney to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
21 Oct
SYD10:20Sydney Kingsford Smith
37h 39m
2 stops
DCA08:59Washington, D.C. Reagan-National
28 Oct
DCA11:05Washington, D.C. Reagan-National
30h 30m
2 stops
SYD08:35Sydney Kingsford Smith
$1,231
Find similar
Air Canada
17 Oct
SYD10:20Sydney Kingsford Smith
40h 48m
2 stops
DCA12:08Washington, D.C. Reagan-National
2 Dec
DCA06:00Washington, D.C. Reagan-National
32h 55m
2 stops
SYD06:55Sydney Kingsford Smith
$1,283
Find similar
Air Canada
14 Oct
SYD10:20Sydney Kingsford Smith
40h 48m
2 stops
DCA12:08Washington, D.C. Reagan-National
28 Oct
DCA11:05Washington, D.C. Reagan-National
30h 30m
2 stops
SYD08:35Sydney Kingsford Smith
$1,286
Find similar

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

Our best Alaska Airlines deals on Sydney to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
21 Oct
SYD21:40Sydney Kingsford Smith
39h 19m
2 stops
DCA21:59Washington, D.C. Reagan-National
28 Oct
DCA17:53Washington, D.C. Reagan-National
34h 52m
2 stops
SYD19:45Sydney Kingsford Smith
$1,957
Find similar
Alaska Airlines
17 Oct
SYD21:40Sydney Kingsford Smith
34h 08m
1 stop
DCA16:48Washington, D.C. Reagan-National
31 Oct
DCA17:00Washington, D.C. Reagan-National
35h 45m
2 stops
SYD19:45Sydney Kingsford Smith
$1,958
Find similar
Alaska Airlines
3 Oct
SYD21:40Sydney Kingsford Smith
32h 23m
1 stop
DCA16:03Washington, D.C. Reagan-National
10 Oct
DCA18:59Washington, D.C. Reagan-National
33h 46m
2 stops
SYD19:45Sydney Kingsford Smith
$2,384
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Washington, D.C. Reagan-National Airport 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 6 September 2025.
Use the filters below to find and compare flights from Sydney to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 21/10

10:20-08:59

2 stops37h 39m

Washington, D.C. Reagan-National

Tue 28/10

11:05-08:35

2 stops30h 30m

$1,231

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Fri 17/10

10:20-12:08

2 stops40h 48m

Washington, D.C. Reagan-National

Tue 2/12

06:00-06:55

2 stops32h 55m

$1,283

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 14/10

10:20-12:08

2 stops40h 48m

Washington, D.C. Reagan-National

Tue 28/10

11:05-08:35

2 stops30h 30m

$1,286

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 14/10

10:20-10:20

3 stops39h 00m

Washington, D.C. Reagan-National

Tue 28/10

11:05-08:35

2 stops30h 30m

$1,295

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 13/10

10:20-21:51

2 stops26h 31m

Washington, D.C. Reagan-National

Mon 27/10

18:50-08:35

2 stops46h 45m

$1,321

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 22/9

12:10-21:00

1 stop22h 50m

Washington, D.C. Reagan-National

Fri 26/9

08:20-07:05

1 stop32h 45m

$1,776

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 21/10

10:10-21:14

1 stop26h 04m

Washington, D.C. Reagan-National

Tue 28/10

09:59-09:00

1 stop32h 01m

$1,833

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Sat 18/10

10:10-21:14

1 stop26h 04m

Washington, D.C. Reagan-National

Sat 1/11

09:59-09:00

1 stop32h 01m

$1,844

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 21/10

21:40-21:59

2 stops39h 19m

Washington, D.C. Reagan-National

Tue 28/10

17:53-19:45

2 stops34h 52m

$1,957

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Fri 17/10

21:40-16:48

1 stop34h 08m

Washington, D.C. Reagan-National

Fri 31/10

17:00-19:45

2 stops35h 45m

$1,958

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 Washington, D.C. from

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

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 Washington, D.C. Reagan-National Airport?

In general, February is the cheapest month to fly from Sydney to Washington, D.C. Reagan-National Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,294. If you’re not able to fly to Washington, D.C. Reagan-National Airport in February, then March is your next best option. Flight prices from Sydney to Washington, D.C. Reagan-National Airport during March average around $1,317.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

On average, the least expensive day to fly to Washington, D.C. Reagan-National Airport from Sydney is on a Friday. momondo users have found tickets for Friday departures for as low as $1,730. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Washington, D.C. Reagan-National Airport is Tuesday, with ticket prices averaging around $2,332.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

In the afternoon is the cheapest time of day to fly from Sydney to Washington, D.C. Reagan-National Airport when you can find flight prices for as low as $1,950. Flying to Washington, D.C. Reagan-National Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $3,083. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 3% on your flight if you consider stops on a Sydney to Washington, D.C. Reagan-National Airport flight.

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

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

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

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

Direct flights

None
There are no direct flights from Sydney to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Sydney to Washington, D.C. Reagan-National Airport.
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  • How far is Sydney Kingsford Smith to Washington, D.C. Reagan-National by plane?

    Sydney Kingsford Smith and Washington, D.C. Reagan-National are 15699.1 km apart from one another. 22h 50m is a normal flight duration for this route.

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

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

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National 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 licence and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National 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 Sydney to Washington, D.C. Reagan-National Airport?

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

Compare and see reviews for airlines that fly from Sydney to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,128Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,189Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,564Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,860Free cancellationRating
7.4
8,934 reviews
Search United Airlines flights

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
McLean
Linthicum Heights
Arlington

Why use momondo?

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

Finding the right flight to Washington, D.C. from Sydney 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 Washington, D.C. quick and easy, saving you time and money.

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

Flights from Sydney to Washington, D.C. 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 Sydney to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Sydney.

I’m not ready to book a flight from Sydney to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Sydney and alert you when they change.

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