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Reagan-National

$441+ Cheap flights from Watertown, NY (ART) to Reagan-National (DCA)

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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
ART — DCA
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
1 adult, Economy
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Cheap flight deals from Watertown to Reagan-National

Cheapest flights from Watertown to Reagan-National
Explore the most affordable flight options available from Watertown to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.

This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 am
ART
-
DCA
1 stop15h 13m
American Airlines
Tue 8/115:39 pm
DCA
-
ART
1 stop4h 29m
American Airlines
Deal found 6/10$689
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:00 pm
ART
-
DCA
1 stop5h 13m
American Airlines
Fri 8/215:39 pm
DCA
-
ART
1 stop5h 16m
American Airlines
Deal found 6/11$1,018

Find flight deals from Watertown to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Watertown (ART) to Reagan-National (DCA). 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 June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$689
(American Airlines)

One-way from

$441
(American Airlines)
Provider with most accurate pricing for Watertown-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for Watertown-Washington, D.C. Reagan-National flights.
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From Watertown to Washington, D.C. Reagan-National
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One-way flight from Watertown to Washington, D.C. Reagan-National
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Watertown to Reagan-National 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 2,558,603 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from Watertown to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Sun 8/9

6:00 am-9:13 pm

1 stop15h 13m

Washington, D.C. Reagan-National

Tue 8/11

5:39 pm-10:08 pm

1 stop4h 29m

$689
Quickest round-trip

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Sun 8/16

4:00 pm-9:13 pm

1 stop5h 13m

Washington, D.C. Reagan-National

Fri 8/21

5:39 pm-10:55 pm

1 stop5h 16m

$1,018
Cheapest one-way
Quickest one-way

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Sat 7/25

4:22 pm-8:41 pm

1 stop4h 19m

$441

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Sat 6/20

4:21 pm-11:54 pm

2 stops7h 33m

$447

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Sun 6/21

4:06 pm-8:45 pm

1 stop4h 39m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Watertown, New York-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Watertown, New York-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Watertown, New York-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Watertown, New York-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Watertown, New York-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Watertown to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Watertown with our price prediction graph.
Estimated round-trip 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.

Related info for your journey

Find useful and relevant information for your journey from Watertown to Reagan-National. 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 from for flights from Watertown to Washington, D.C. Reagan-National?

    If you book a flight to Washington, D.C. Reagan-National from Watertown, you will be flying from Watertown, which is the city’s only airport. Watertown (ART) is located 5.6 mi from the center of Watertown. There are 0 flights from Watertown to Washington, D.C. Reagan-National per day from 0 different airlines.

  • How long is the flight from Watertown, New York to Washington, D.C. Reagan-National Airport?

    A quick flight from Watertown, New York to Washington, D.C. Reagan-National Airport can take about 15h 13m. American Airlines provides one of the quickest options available for as low as $689. Watertown, New York and Washington, D.C. Reagan-National Airport are separated by a distance of 359 mi.

  • Can I find deals for flights from Watertown to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Watertown to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Watertown to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Watertown to Reagan-National.

  • Can I find deals for business class flights from Watertown to Reagan-National?

    Yes. Cheapflights offers flight deals from Watertown to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Laurel
Hanover
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

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