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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $782

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
19 Aug — 26 Aug1
1 adult

Cheap 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 14 August 2025.

Round-trip from

$1,276

One-way from

$782

Popular in

January

Cheapest in

March

Average price

$1,325
Air Canada
  • Air Canada
  • 21/10-5/11
  • 4 total stops
  • 58h 16m total
  • Washington, D.C. to Sydney
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20/8
  • 20/8
  • 2 total stops
  • 58h 56m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($305 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($117 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Reagan-National to Sydney

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 14 August 2025.

Tue 21/1009:40DCA - SYD
2 stops31h 40mAir Canada
Wed 5/1111:20SYD - DCA
2 stops26h 36mAir Canada
Deal found 12/8$1,276
Mon 27/1021:20DCA - SYD
2 stops44h 15mAir Canada
Sun 9/1111:20SYD - DCA
3 stops39h 06mAir Canada
Deal found 12/8$1,298
Tue 28/1011:05DCA - SYD
2 stops30h 30mAir Canada
Sat 8/1111:20SYD - DCA
2 stops39h 06mAir Canada
Deal found 12/8$1,372
Sat 1/1121:20DCA - SYD
2 stops45h 15mAir Canada
Sat 8/1111:20SYD - DCA
3 stops39h 06mAir Canada
Deal found 12/8$1,394
Mon 20/1018:50DCA - SYD
2 stops46h 30mAir Canada
Sun 2/1111:20SYD - DCA
2 stops39h 06mAir Canada
Deal found 12/8$1,440
Mon 3/1121:20DCA - SYD
2 stops44h 15mAir Canada
Sun 16/1111:20SYD - DCA
3 stops39h 06mAir Canada
Deal found 12/8$1,450
Mon 3/1121:20DCA - SYD
2 stops44h 15mAir Canada
Fri 14/1111:20SYD - DCA
2 stops26h 36mAir Canada
Deal found 12/8$1,536
Thu 20/1111:05DCA - SYD
3 stops30h 30mAir Canada
Fri 28/1111:20SYD - DCA
2 stops39h 06mAir Canada
Deal found 12/8$1,631

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 14 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

Reagan-National

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 21/10

09:40-08:20

2 stops31h 40m

Sydney Kingsford Smith

Wed 5/11

11:20-21:56

2 stops26h 36m

$1,276

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 27/10

21:20-08:35

2 stops44h 15m

Sydney Kingsford Smith

Sun 9/11

11:20-10:26

3 stops39h 06m

$1,298

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 2/2

21:20-09:35

2 stops44h 15m

Sydney Kingsford Smith

Sun 15/2

11:20-22:35

2 stops27h 15m

$1,298

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 28/10

11:05-08:35

2 stops30h 30m

Sydney Kingsford Smith

Sat 8/11

11:20-10:26

2 stops39h 06m

$1,372

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

11:20-10:26

2 stops39h 06m

$1,383

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 8/2

11:05-09:35

3 stops30h 30m

Sydney Kingsford Smith

Sat 14/2

11:20-21:56

2 stops26h 36m

$1,383

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 3/11

21:20-09:35

2 stops44h 15m

Sydney Kingsford Smith

Sun 16/11

11:20-21:56

2 stops26h 36m

$1,440

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 20/10

18:50-08:20

2 stops46h 30m

Sydney Kingsford Smith

Sun 2/11

11:20-11:26

3 stops39h 06m

$1,603

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 15/11

11:20-21:56

2 stops26h 36m

$1,689

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 20/8

13:44-14:40

2 stops58h 56m

$782

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 16 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 8 August 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, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $129). Flying from Washington, D.C. Reagan-National Airport to Sydney in October is currently the most expensive (average of $171). 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.

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.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Sydney round-trip?

    According to our current data, Air Canada ($1,276), offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Sydney. Air Canada is currently priced 29% below the average price you’ll pay for this route.

  • 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, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $129). Flying from Washington, D.C. Reagan-National Airport to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Sydney?

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Bondi Beach
Randwick
Leura

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