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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $711

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 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
1 Mar — 8 Mar1
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 January 2026.

Tue 12/511:00
DCA
-
SYD
1 stop30h 20m
Multiple Airlines
Tue 26/509:20
SYD
-
DCA
2 stops26h 35m
Multiple Airlines
Deal found 30/1$1,648
Tue 28/409:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Mon 11/513:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 29/1$1,660
Tue 17/309:59
DCA
-
SYD
1 stop30h 26m
Multiple Airlines
Tue 24/314:00
SYD
-
DCA
2 stops45h 00m
Multiple Airlines
Deal found 28/1$1,663
Tue 21/409:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Tue 28/413:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 29/1$1,674
Tue 28/409:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Tue 5/513:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 28/1$1,678
Tue 21/409:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Thu 30/413:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 29/1$1,690
Mon 2/320:40
DCA
-
SYD
2 stops44h 55m
Air Canada
Mon 9/311:20
SYD
-
DCA
2 stops36h 35m
Air Canada
Deal found 28/1$1,694
Tue 21/409:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Fri 1/513:15
SYD
-
DCA
2 stops42h 44m
Multiple Airlines
Deal found 29/1$1,721
Tue 28/409:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Tue 12/513:15
SYD
-
DCA
2 stops44h 51m
Multiple Airlines
Deal found 29/1$1,724
Wed 22/409:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Tue 5/513:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 28/1$1,726
Mon 11/511:00
DCA
-
SYD
2 stops30h 20m
Air Canada
Tue 19/509:20
SYD
-
DCA
2 stops26h 35m
Air Canada
Deal found 29/1$1,738
Fri 1/509:59
DCA
-
SYD
1 stop31h 31m
Multiple Airlines
Thu 7/513:15
SYD
-
DCA
2 stops44h 45m
Multiple Airlines
Deal found 29/1$1,739

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 January 2026.

Round-trip from

$1,651

One-way from

$711

Popular in

May

Cheapest in

March

Average price

$1,797
Asiana Airlines
  • Asiana Airlines
  • 12/5-26/5
  • 3 total stops
  • 56h 55m total
  • Washington, D.C. to Sydney
Search Deals
21/2
  • 21/2
  • 3 total stops
  • 50h 35m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($75 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 January 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

Reagan-National

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 12/5

11:00-07:20

1 stop30h 20m

Sydney Kingsford Smith

Tue 26/5

09:20-21:55

2 stops26h 35m

$1,651

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 1/5

09:59-07:30

1 stop31h 31m

Sydney Kingsford Smith

Fri 15/5

13:15-20:06

2 stops44h 51m

$1,834

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 1/5

06:59-07:20

2 stops34h 21m

Sydney Kingsford Smith

Fri 15/5

09:20-21:55

2 stops26h 35m

$1,918

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 22/4

12:55-07:20

2 stops28h 25m

Sydney Kingsford Smith

Wed 13/5

09:20-12:01

2 stops40h 41m

$1,929

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 29/3

16:59-08:05

2 stops24h 06m

Sydney Kingsford Smith

Sun 5/4

12:00-21:00

2 stops23h 00m

$1,942

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 9/2

17:59-09:15

1 stop23h 16m

Sydney Kingsford Smith

Wed 8/4

10:20-16:56

1 stop20h 36m

$1,959

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 28/4

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Mon 4/5

10:20-16:46

1 stop20h 26m

$1,959

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 26/4

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Sun 3/5

10:20-16:46

1 stop20h 26m

$1,959

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 26/4

17:59-06:55

1 stop22h 56m

Sydney Kingsford Smith

Mon 4/5

10:20-22:30

1 stop26h 10m

$1,959

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 8/2

14:45-07:00

1 stop24h 15m

Sydney Kingsford Smith

Wed 8/4

10:20-16:56

1 stop20h 36m

$1,959

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 20 results
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, December is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $725). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $1,460). 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 34h 21m. Fly via Air Canada 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 $725). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $1,460). 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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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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