Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $714

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
4 jan — 11 jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Reagan-National to Sydney
Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 dezembro 2025.

qui 4/1209:40DCA - SYD
2 stops31h 55mAir Canada
qui 11/1216:00SYD - DCA
2 stops34h 21mAir Canada
Deal found 3/12$1,850
qui 4/1217:10DCA - SYD
1 stop23h 50mMultiple Airlines
qua 10/1214:05SYD - DCA
1 stop20h 27mMultiple Airlines
Deal found 3/12$1,940
qui 4/1217:10DCA - SYD
1 stop23h 50mMultiple Airlines
qui 11/1214:05SYD - DCA
1 stop21h 39mMultiple Airlines
Deal found 3/12$2,016
qui 4/1215:42DCA - SYD
2 stops25h 18mAmerican Airlines
qui 11/1211:20SYD - DCA
1 stop20h 35mAmerican Airlines
Deal found 3/12$2,022
qui 4/1217:10DCA - SYD
1 stop23h 50mQantas Airways
qua 10/1206:05SYD - DCA
2 stops28h 27mQantas Airways
Deal found 3/12$2,167
dom 7/1209:59DCA - SYD
1 stop29h 26mMultiple Airlines
ter 9/1217:45SYD - DCA
2 stops44h 14mMultiple Airlines
Deal found 3/12$2,203
sáb 27/1220:40DCA - SYD
2 stops44h 55mAir Canada
qua 31/1211:20SYD - DCA
2 stops37h 35mAir Canada
Deal found 3/12$2,223
qua 31/1209:40DCA - SYD
2 stops31h 55mAir Canada
qui 15/111:20SYD - DCA
2 stops24h 25mAir Canada
Deal found 3/12$2,284
qui 25/1218:35DCA - SYD
2 stops44h 40mCathay Pacific
qua 21/122:20SYD - DCA
2 stops36h 24mCathay Pacific
Deal found 3/12$2,306
ter 30/1216:28DCA - SYD
1 stop22h 32mUnited Airlines
seg 12/112:10SYD - DCA
1 stop20h 42mUnited Airlines
Deal found 3/12$2,343
qua 10/1216:34DCA - SYD
2 stops24h 31mUnited Airlines
qua 24/1211:50SYD - DCA
1 stop20h 06mUnited Airlines
Deal found 3/12$2,350

Find flight deals from Reagan-National to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 dezembro 2025.

Round-trip from

$1,515

One-way from

$714

Popular in

May

Cheapest in

March

Average price

$2,426
Air Canada
  • Air Canada
  • 3/2-23/2
  • 4 total stops
  • 62h 13m total
  • Washington, D.C. to Sydney
28/2
  • 28/2
  • 3 total stops
  • 50h 35m total
  • Washington, D.C. to Sydney
Highest demand for flights based on searches. 2% potential increase in price ($64 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease ($155 potential savings vs. average return price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from Reagan-National 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, Cheapflights users made 647,157 searches. Data last updated 5 dezembro 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

Reagan-National

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

qui 5/2

17:30-09:00

1 stop23h 30m

Sydney Kingsford Smith

qui 5/3

14:05-19:47

1 stop21h 42m

$1,789

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

qua 1/4

16:59-08:05

1 stop24h 06m

Sydney Kingsford Smith

ter 28/4

12:00-18:44

1 stop20h 44m

$1,807

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

sáb 17/1

11:50-06:55

1 stop27h 05m

Sydney Kingsford Smith

sáb 24/1

14:05-19:44

1 stop21h 39m

$1,807

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

qua 1/4

12:40-07:55

2 stops28h 15m

Sydney Kingsford Smith

ter 28/4

10:20-16:56

1 stop20h 36m

$1,831

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

seg 16/2

16:28-07:00

1 stop22h 32m

Sydney Kingsford Smith

seg 2/3

11:50-15:55

1 stop20h 05m

$1,831

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

ter 27/1

17:59-09:15

1 stop23h 16m

Sydney Kingsford Smith

ter 10/2

11:50-18:41

1 stop22h 51m

$1,831

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

ter 27/1

16:28-07:00

1 stop22h 32m

Sydney Kingsford Smith

qua 4/2

11:50-18:41

1 stop22h 51m

$1,833

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

seg 26/1

17:59-09:15

1 stop23h 16m

Sydney Kingsford Smith

ter 3/2

12:10-16:52

1 stop20h 42m

$1,833

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

dom 25/1

12:40-07:00

1 stop26h 20m

Sydney Kingsford Smith

dom 1/2

11:50-15:57

1 stop20h 07m

$1,833

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

qua 28/1

16:28-07:00

1 stop22h 32m

Sydney Kingsford Smith

qua 4/2

11:50-15:57

1 stop20h 07m

$1,833

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 19 results
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Best time to book a flight from Reagan-National to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Reagan-National with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Sydney

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Sydney?

Use this chart to determine the optimal time to book a return flight from Reagan-National to Sydney. Price data was last updated on 28 November 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Sydney, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $965). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $1,585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Washington, D.C. Reagan-National Airport to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith is the airport most travellers will use when flying to Sydney from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Kingsford Smith (SYD) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Sydney?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Sydney in 23h 30m. Fly via Qantas Airways or United Airlines to get the fastest option. Airlines will cover a distance of 15704 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Reagan-National to Sydney that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sydney.

  • Can I find deals for business class flights from Reagan-National to Sydney?

    Yes. Cheapflights offers flight deals from Reagan-National to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $965). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $1,585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Reagan-National to Sydney

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