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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $746

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
30 Jul — 6 Aug1
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 30 June 2026.

Tue 20/1009:30
DCA
-
SYD
2 stops36h 20m
Multiple Airlines
Sat 14/1111:15
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 28/6$1,825
Wed 23/909:30
DCA
-
SYD
2 stops36h 20m
Multiple Airlines
Wed 14/1018:50
SYD
-
DCA
1 stop40h 10m
Multiple Airlines
Deal found 27/6$1,914
Tue 25/807:48
DCA
-
SYD
2 stops36h 52m
Air New Zealand
Tue 1/919:20
SYD
-
DCA
2 stops42h 39m
Air New Zealand
Deal found 25/6$1,979
Fri 23/1009:30
DCA
-
SYD
2 stops36h 05m
Multiple Airlines
Tue 10/1111:15
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 29/6$2,033
Tue 4/819:28
DCA
-
SYD
2 stops47h 17m
Air New Zealand
Thu 13/819:20
SYD
-
DCA
2 stops40h 53m
Air New Zealand
Deal found 26/6$2,049
Wed 12/809:59
DCA
-
SYD
2 stops35h 51m
Multiple Airlines
Tue 29/917:50
SYD
-
DCA
1 stop40h 10m
Multiple Airlines
Deal found 26/6$2,050
Fri 21/809:30
DCA
-
SYD
2 stops36h 20m
Multiple Airlines
Thu 3/917:50
SYD
-
DCA
1 stop40h 10m
Multiple Airlines
Deal found 27/6$2,059
Wed 28/1009:30
DCA
-
SYD
2 stops36h 05m
Multiple Airlines
Sun 8/1111:15
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 27/6$2,065
Thu 3/909:30
DCA
-
SYD
2 stops43h 20m
Multiple Airlines
Tue 8/920:45
SYD
-
DCA
2 stops37h 15m
Multiple Airlines
Deal found 28/6$2,068
Wed 12/809:59
DCA
-
SYD
2 stops35h 51m
Multiple Airlines
Mon 28/917:50
SYD
-
DCA
1 stop40h 10m
Multiple Airlines
Deal found 26/6$2,071
Mon 31/809:30
DCA
-
SYD
2 stops33h 15m
Multiple Airlines
Mon 14/911:55
SYD
-
DCA
2 stops24h 18m
Multiple Airlines
Deal found 26/6$2,073

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 30 June 2026.

Round-trip from

$1,473

One-way from

$746

Popular in

December

Cheapest in

July

Average price

$2,311
14/8-21/8
  • 14/8-21/8
  • 6 total stops
  • 83h 26m total
  • Washington, D.C. to Sydney
Search Deals
7/11
  • 7/11
  • 3 total stops
  • 50h 35m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($189 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($120 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 30 June 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 - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 25/8

17:45-08:45

2 stops25h 00m

Sydney Kingsford Smith

Tue 1/9

10:20-16:43

1 stop20h 23m

$2,121

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 9/8

17:16-18:50

2 stops35h 34m

Sydney Kingsford Smith

Sun 23/8

20:45-20:00

2 stops37h 15m

$2,300

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 26/7

17:16-18:50

2 stops35h 34m

Sydney Kingsford Smith

Sun 23/8

20:45-20:00

2 stops37h 15m

$2,368

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 4/12

18:59-19:45

2 stops32h 46m

Sydney Kingsford Smith

Fri 8/1

21:40-20:00

2 stops38h 20m

$2,448

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 26/7

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Sun 23/8

10:20-16:43

1 stop20h 23m

$2,838

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 4/8

11:57-07:00

2 stops29h 03m

Sydney Kingsford Smith

Sun 27/9

10:20-22:30

1 stop26h 10m

$2,838

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 25/7

06:00-08:45

2 stops36h 45m

Sydney Kingsford Smith

Sat 1/8

09:55-22:15

2 stops26h 20m

$3,060

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 25/8

17:45-06:55

1 stop23h 10m

Sydney Kingsford Smith

Tue 1/9

10:20-22:30

1 stop26h 10m

$3,202

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 19/7

10:58-06:55

2 stops29h 57m

Sydney Kingsford Smith

Sun 16/8

10:20-22:30

1 stop26h 10m

$3,825
Fastest return journey

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 16/12

17:25-08:30

1 stop23h 05m

Sydney Kingsford Smith

Tue 29/12

10:40-16:01

1 stop21h 21m

$3,867

Flights are sorted by cheapest return flights first.

Deals found on 27/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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

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 $1,255). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $3,043). 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.

  • 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 25h. Fly via Air New Zealand 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, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,255). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $3,043). 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
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Fly with Cheapflights

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How does Cheapflights help users find flights from Reagan-National to Sydney?

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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.

Can Cheapflights notify me if prices for flights from Reagan-National to Sydney become cheaper?

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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