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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $699

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
16 Apr — 23 Apr1
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 17 March 2026.

Tue 14/411:00
DCA
-
SYD
2 stops30h 20m
Air Canada
Tue 21/409:20
SYD
-
DCA
2 stops26h 35m
Air Canada
Deal found 16/3$1,724
Wed 3/614:55
DCA
-
SYD
2 stops27h 50m
Air New Zealand
Wed 10/609:55
SYD
-
DCA
2 stops26h 20m
Air New Zealand
Deal found 16/3$1,826
Mon 3/816:59
DCA
-
SYD
2 stops25h 46m
Air New Zealand
Mon 31/809:55
SYD
-
DCA
2 stops26h 13m
Air New Zealand
Deal found 16/3$1,829
Thu 30/412:55
DCA
-
SYD
2 stops28h 25m
Air Canada
Thu 7/509:20
SYD
-
DCA
2 stops40h 41m
Air Canada
Deal found 16/3$1,830
Mon 4/514:35
DCA
-
SYD
2 stops28h 10m
Air New Zealand
Wed 27/509:55
SYD
-
DCA
2 stops26h 20m
Air New Zealand
Deal found 16/3$1,842
Tue 4/819:28
DCA
-
SYD
2 stops47h 17m
Air New Zealand
Wed 9/909:55
SYD
-
DCA
2 stops26h 13m
Air New Zealand
Deal found 16/3$1,843
Mon 3/816:59
DCA
-
SYD
2 stops25h 46m
Air New Zealand
Wed 19/811:55
SYD
-
DCA
2 stops24h 13m
Air New Zealand
Deal found 14/3$1,877
Tue 10/1119:50
DCA
-
SYD
2 stops48h 50m
Air New Zealand
Tue 24/1119:15
SYD
-
DCA
2 stops42h 38m
Air New Zealand
Deal found 12/3$1,882

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 17 March 2026.

Round-trip from

$1,724

One-way from

$699

Popular in

August

Cheapest in

February

Average price

$2,205
Air Canada
  • Air Canada
  • 14/4-21/4
  • 4 total stops
  • 56h 55m total
  • Washington, D.C. to Sydney
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 37h 50m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($89 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 17 March 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 8/9

18:59-18:50

2 stops33h 51m

Sydney Kingsford Smith

Tue 15/9

20:45-20:00

2 stops37h 15m

$2,157
Fastest return journey

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 13/4

16:40-06:50

1 stop24h 10m

Sydney Kingsford Smith

Sun 26/4

09:15-15:29

1 stop20h 14m

$2,229

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 26/5

16:50-06:50

1 stop24h 00m

Sydney Kingsford Smith

Tue 2/6

09:15-19:45

2 stops24h 30m

$2,237

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 31/5

15:00-06:50

2 stops25h 50m

Sydney Kingsford Smith

Wed 22/7

09:15-16:09

1 stop20h 54m

$2,237

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 3/8

17:10-06:50

1 stop23h 40m

Sydney Kingsford Smith

Tue 18/8

09:15-16:14

1 stop44h 59m

$2,251

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/8

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Sun 23/8

10:20-21:53

1 stop25h 33m

$2,356

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 3/6

16:50-06:50

1 stop24h 00m

Sydney Kingsford Smith

Thu 18/6

09:15-16:09

1 stop20h 54m

$2,364

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 24/4

16:40-06:50

1 stop24h 10m

Sydney Kingsford Smith

Sat 2/5

09:15-15:29

1 stop20h 14m

$2,371

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 5/8

17:10-06:50

1 stop23h 40m

Sydney Kingsford Smith

Sun 23/8

09:15-16:14

1 stop44h 59m

$2,424

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 7/7

11:57-10:40

3 stops32h 43m

Sydney Kingsford Smith

Thu 23/7

09:55-22:15

2 stops26h 20m

$2,479

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 23 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, December is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $726). Flying from Washington, D.C. Reagan-National Airport to Sydney in March is currently the most expensive (average of $2,147). 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 24h 10m. 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, December is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $726). Flying from Washington, D.C. Reagan-National Airport to Sydney in March is currently the most expensive (average of $2,147). 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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Randwick

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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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