Reagan-National

$423+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ART — DCA
Apr 9 — Apr 161
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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 March 10, 2026.

This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 3/104:01 pm
ART
-
DCA
1 stop4h 36m
American Airlines
Sat 3/144:34 pm
DCA
-
ART
1 stop6h 21m
American Airlines
Deal found 3/9$540
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Thu 10/226:00 am
ART
-
DCA
2 stops8h 24m
American Airlines
Mon 10/2610:51 am
DCA
-
ART
2 stops8h 10m
American Airlines
Deal found 3/8$567
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 5/264:06 pm
ART
-
DCA
1 stop4h 22m
American Airlines
Sun 5/315:00 pm
DCA
-
ART
1 stop5h 52m
American Airlines
Deal found 3/9$568
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 3/94:01 pm
ART
-
DCA
1 stop4h 36m
American Airlines
Sat 3/144:34 pm
DCA
-
ART
1 stop6h 21m
American Airlines
Deal found 3/9$588
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 3/126:00 am
ART
-
DCA
2 stops5h 53m
American Airlines
Sat 3/144:34 pm
DCA
-
ART
1 stop6h 21m
American Airlines
Deal found 3/9$594
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 3/246:00 am
ART
-
DCA
2 stops7h 59m
American Airlines
Sat 3/281:44 pm
DCA
-
ART
2 stops9h 11m
American Airlines
Deal found 3/9$606
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 3/94:01 pm
ART
-
DCA
1 stop4h 36m
American Airlines
Sun 3/154:40 pm
DCA
-
ART
1 stop6h 15m
American Airlines
Deal found 3/9$636

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$540
(American Airlines)

One-way from

$423
(American Airlines)
Provider with most accurate pricing for Watertown-Washington, D.C. Reagan-National flight deals.
Provider most trusted by Cheapflights users for Watertown-Washington, D.C. Reagan-National flights.
From Watertown to Washington, D.C. Reagan-National
One-way flight from Watertown to Washington, D.C. Reagan-National

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 March 10, 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
Quickest round-trip

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Tue 3/24

4:01 pm-8:37 pm

1 stop4h 36m

Washington, D.C. Reagan-National

Sat 3/28

4:34 pm-10:55 pm

1 stop6h 21m

$540

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Tue 5/26

6:00 am-12:59 pm

2 stops6h 59m

Washington, D.C. Reagan-National

Sun 5/31

5:00 pm-10:52 pm

1 stop5h 52m

$574

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Mon 4/27

11:25 am-4:42 pm

1 stop5h 17m

Washington, D.C. Reagan-National

Wed 4/29

5:22 pm-11:23 pm

1 stop6h 01m

$910
Cheapest one-way
Quickest one-way

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Tue 4/21

11:25 am-4:40 pm

1 stop5h 15m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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.

Cheapflights Insights

Everything you need to know about your flight from Watertown to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Watertown, New York to Washington, D.C. Reagan-National Airport?

Currently, March is the cheapest month in which you can book a flight from Watertown, New York to Washington, D.C. Reagan-National Airport (average of $132). Flying from Watertown, New York to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $239). 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 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 4h 36m. American Airlines provides one of the quickest options available for as low as $540. 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.

  • What is the cheapest month to book a flight from Watertown, New York to Washington, D.C. Reagan-National Airport?

    Currently, March is the cheapest month in which you can book a flight from Watertown, New York to Washington, D.C. Reagan-National Airport (average of $132). Flying from Watertown, New York to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $239). 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

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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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