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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $795

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
17 Sep — 24 Sep1
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 18 August 2026.

Fri 6/1107:00 -
3 stops37h 35m
Sun 15/1114:00 -
3 stops47h 58m
Deal found 18/8$1,648
Wed 16/907:00 -
3 stops48h 50m
Sat 31/1011:50 -
3 stops50h 08m
Deal found 14/8$1,721
Wed 16/907:00 -
2 stops34h 05m
Wed 23/909:10 -
2 stops50h 49m
Deal found 14/8$1,743
Thu 5/1107:00 -
3 stops33h 35m
Sat 14/1114:05 -
3 stops42h 51m
Deal found 17/8$1,841
Thu 22/1012:57 -
2 stops28h 48m
Wed 11/1107:30 -
2 stops31h 00m
Deal found 13/8$1,865
Fri 11/907:00 -
2 stops34h 05m
Fri 18/909:10 -
2 stops41h 01m
Deal found 14/8$1,870
Sat 17/1019:00 -
2 stops48h 40m
Sat 31/1019:25 -
2 stops41h 32m
Deal found 16/8$1,872
Sun 20/907:48 -
2 stops48h 02m
Sat 21/1119:25 -
2 stops41h 32m
Deal found 13/8$1,878
Mon 26/1008:15 -
2 stops35h 20m
Tue 3/1111:50 -
2 stops25h 07m
Deal found 14/8$1,890
Fri 11/907:00 -
2 stops34h 05m
Fri 16/1010:10 -
2 stops40h 54m
Deal found 13/8$1,896

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 18 August 2026.

Round-trip from

$1,648

One-way from

$795

Popular in

December

Cheapest in

July

Average price

$1,935
6/11-15/11
  • 6/11-15/11
  • 6 total stops
  • 85h 33m total
  • Washington, D.C. to Sydney
Search Deals
11/11
  • 11/11
  • 2 total stops
  • 31h 25m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($195 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($122 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 18 August 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 Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Tue 29/12

15:55-08:30

2 stops24h 35m

Sydney Kingsford Smith

Wed 13/1

10:40-19:14

2 stops24h 34m

$2,308

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Thu 12/11

16:40-08:30

1 stop23h 50m

Sydney Kingsford Smith

Mon 16/11

10:40-15:19

1 stop20h 39m

$2,371

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 7/10

10:10-07:50

2 stops30h 40m

Sydney Kingsford Smith

Fri 16/10

10:15-19:33

2 stops24h 18m

$2,378

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 30/9

10:17-11:45

2 stops35h 28m

Sydney Kingsford Smith

Wed 7/10

08:40-23:59

2 stops30h 19m

$2,477

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 9/9

13:10-08:45

3 stops29h 35m

Sydney Kingsford Smith

Tue 22/9

09:55-13:04

3 stops41h 09m

$2,481

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sat 5/12

18:00-09:20

1 stop23h 20m

Sydney Kingsford Smith

Mon 14/12

09:20-15:55

1 stop22h 35m

$2,613

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Fri 2/10

16:41-06:50

1 stop24h 09m

Sydney Kingsford Smith

Fri 9/10

10:15-15:29

1 stop20h 14m

$2,668

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Fri 4/9

16:45-06:50

1 stop24h 05m

Sydney Kingsford Smith

Sun 20/12

10:40-16:01

1 stop21h 21m

$2,800

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sat 10/10

16:40-07:50

1 stop24h 10m

Sydney Kingsford Smith

Fri 16/10

10:15-15:29

1 stop20h 14m

$3,021
Fastest return journey

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sun 6/9

16:45-06:50

1 stop24h 05m

Sydney Kingsford Smith

Sun 13/9

09:15-15:31

1 stop20h 16m

$3,401

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,217). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $3,032). 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?

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Sydney flights typically cost between $1,880 and $3,176 in November.
The cheapest return price found within the last 5 days was $1,648 on Multiple Airlines (6 Nov–15 Nov).

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 05m. Fly via Delta to get the fastest option. Airlines will cover a distance of 15704 km.

  • 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, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,217). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $3,032). 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
Coogee

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Why should you use Cheapflights to find cheap flight tickets from Reagan-National to Sydney?

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Can Cheapflights find flights from Reagan-National to Sydney with no change fees?

Yes, we can. To see specific flights from Reagan-National to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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