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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $798

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
30 May — 6 Jun1
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 April 2026.

Wed 27/507:00
DCA
-
SYD
3 stops38h 50m
Multiple Airlines
Wed 3/613:20
SYD
-
DCA
3 stops46h 38m
Multiple Airlines
Deal found 29/4$1,556
Sat 24/1009:30
DCA
-
SYD
1 stop31h 00m
Multiple Airlines
Fri 6/1114:00
SYD
-
DCA
2 stops46h 00m
Multiple Airlines
Deal found 29/4$1,935
Tue 28/709:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Wed 26/813:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 29/4$2,016
Tue 3/1109:30
DCA
-
SYD
1 stop28h 55m
Multiple Airlines
Tue 17/1114:00
SYD
-
DCA
2 stops46h 00m
Multiple Airlines
Deal found 29/4$2,018
Thu 26/1109:30
DCA
-
SYD
2 stops42h 15m
Multiple Airlines
Thu 3/1221:40
SYD
-
DCA
2 stops38h 20m
Multiple Airlines
Deal found 26/4$2,028
Wed 29/709:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Tue 25/813:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 29/4$2,057
Sat 24/1009:30
DCA
-
SYD
1 stop31h 00m
Multiple Airlines
Tue 10/1114:00
SYD
-
DCA
2 stops46h 00m
Multiple Airlines
Deal found 29/4$2,067
Sat 22/818:57
DCA
-
SYD
2 stops26h 53m
Fiji Airways
Sat 29/813:15
SYD
-
DCA
2 stops23h 44m
Fiji Airways
Deal found 30/4$2,079
Tue 28/709:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Mon 24/813:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 29/4$2,086
Wed 2/909:30
DCA
-
SYD
2 stops43h 20m
Multiple Airlines
Tue 15/920:45
SYD
-
DCA
2 stops37h 15m
Multiple Airlines
Deal found 26/4$2,102

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 April 2026.

Round-trip from

$1,556

One-way from

$798

Popular in

May

Cheapest in

February

Average price

$2,107
27/5-3/6
  • 27/5-3/6
  • 6 total stops
  • 85h 28m total
  • Washington, D.C. to Sydney
Search Deals
23/5
  • 23/5
  • 3 total stops
  • 51h 50m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($312 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($47 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 April 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 4/8

18:59-18:50

2 stops33h 51m

Sydney Kingsford Smith

Fri 14/8

20:45-20:00

2 stops37h 15m

$2,345

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 25/9

18:59-18:50

2 stops33h 51m

Sydney Kingsford Smith

Sat 3/10

20:45-20:00

2 stops37h 15m

$2,380

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 28/5

09:59-18:50

2 stops42h 51m

Sydney Kingsford Smith

Sun 7/6

20:45-21:00

2 stops38h 15m

$2,387

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 17/6

09:59-08:45

2 stops32h 46m

Sydney Kingsford Smith

Mon 20/7

11:55-22:15

2 stops24h 20m

$2,499

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/8

11:57-07:00

2 stops29h 03m

Sydney Kingsford Smith

Sun 23/8

10:20-21:53

1 stop25h 33m

$2,533

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 5/8

08:45-07:05

1 stop32h 20m

Sydney Kingsford Smith

Sun 23/8

12:00-19:14

1 stop21h 14m

$2,598
Fastest return journey

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 30/6

17:16-07:05

1 stop23h 49m

Sydney Kingsford Smith

Tue 25/8

12:00-19:14

1 stop21h 14m

$2,598

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 2/7

08:40-07:05

1 stop32h 25m

Sydney Kingsford Smith

Sun 23/8

12:00-21:27

1 stop23h 27m

$2,668

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 1/7

08:29-07:05

1 stop32h 36m

Sydney Kingsford Smith

Thu 20/8

12:00-21:27

1 stop23h 27m

$2,668

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 1/6

11:57-10:40

3 stops32h 43m

Sydney Kingsford Smith

Thu 23/7

11:55-22:15

2 stops24h 20m

$2,709

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 22 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,371). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $2,372). 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 29h 03m. Fly via United Airlines 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,371). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $2,372). 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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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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