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Cheap flights from Watertown, New York to Washington, D.C. from $423

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Watertown, New York to Washington, D.C. departing on 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Watertown, New York to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:21 pm - 8:20 pm
ART
-
DCA
3h 59m
1 stop
American Airlines Logo
7:00 am - 3:39 pm
DCA
-
ART
8h 39m
2 stops
$506American Airlines
Sat, May 30 - Tue, Jun 2
American Airlines Logo
4:21 pm - 11:54 pm
ART
-
DCA
7h 33m
2 stops
American Airlines Logo
8:32 am - 3:39 pm
DCA
-
ART
7h 07m
2 stops
$511American Airlines
Sat, May 30 - Tue, Jun 2
American Airlines Logo
4:01 pm - 8:37 pm
ART
-
DCA
4h 36m
1 stop
American Airlines Logo
4:34 pm - 10:55 pm
DCA
-
ART
6h 21m
1 stop
$540American Airlines
Tue, Mar 24 - Sat, Mar 28
American Airlines Logo
4:01 pm - 11:59 pm
ART
-
DCA
7h 58m
2 stops
American Airlines Logo
4:34 pm - 10:55 pm
DCA
-
ART
6h 21m
1 stop
$546American Airlines
Tue, Mar 24 - Sat, Mar 28
American Airlines Logo
4:06 pm - 8:28 pm
ART
-
DCA
4h 22m
1 stop
American Airlines Logo
5:00 pm - 10:52 pm
DCA
-
ART
5h 52m
1 stop
$568American Airlines
Tue, May 26 - Sun, May 31
American Airlines Logo
6:00 am - 12:59 pm
ART
-
DCA
6h 59m
2 stops
American Airlines Logo
5:00 pm - 10:52 pm
DCA
-
ART
5h 52m
1 stop
$574American Airlines
Tue, May 26 - Sun, May 31
American Airlines Logo
6:00 am - 1:59 pm
ART
-
DCA
7h 59m
2 stops
American Airlines Logo
1:44 pm - 10:55 pm
DCA
-
ART
9h 11m
2 stops
$606American Airlines
Tue, Mar 24 - Sat, Mar 28
American Airlines Logo
6:00 am - 4:59 pm
ART
-
DCA
10h 59m
1 stop
American Airlines Logo
1:39 pm - 10:52 pm
DCA
-
ART
9h 13m
1 stop
$608American Airlines
Sat, May 30 - Tue, Jun 2
American Airlines Logo
6:00 am - 12:59 pm
ART
-
DCA
6h 59m
2 stops
American Airlines Logo
8:39 am - 3:39 pm
DCA
-
ART
7h 00m
2 stops
$619American Airlines
Tue, May 26 - Sun, May 31
American Airlines Logo
11:25 am - 4:42 pm
ART
-
DCA
5h 17m
1 stop
American Airlines Logo
1:59 pm - 11:23 pm
DCA
-
ART
9h 24m
2 stops
$865American Airlines
Mon, Apr 27 - Wed, Apr 29

American Airlines flights from Watertown, New York to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Watertown, New York to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
May 30
ART4:21 pmWatertown
3h 59m
1 stop
DCA8:20 pmWashington, D.C. Reagan-National
Jun 2
DCA7:00 amWashington, D.C. Reagan-National
8h 39m
2 stops
ART3:39 pmWatertown
$506
American Airlines
May 30
ART4:21 pmWatertown
7h 33m
2 stops
DCA11:54 pmWashington, D.C. Reagan-National
Jun 2
DCA8:32 amWashington, D.C. Reagan-National
7h 07m
2 stops
ART3:39 pmWatertown
$511
American Airlines
Mar 24
ART4:01 pmWatertown
4h 36m
1 stop
DCA8:37 pmWashington, D.C. Reagan-National
Mar 28
DCA4:34 pmWashington, D.C. Reagan-National
6h 21m
1 stop
ART10:55 pmWatertown
$540

momondo Fare Finder

 
Customize your flight search to find flights from Watertown, New York to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated March 11, 2026.
Use the filters below to find and compare flights from Watertown, New York 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

Sat 5/30

4:21 pm-8:20 pm

1 stop3h 59m

Washington, D.C. Reagan-National

Tue 6/2

7:00 am-3:39 pm

2 stops8h 39m

$506

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Sat 5/30

4:21 pm-11:54 pm

2 stops7h 33m

Washington, D.C. Reagan-National

Tue 6/2

8:32 am-3:39 pm

2 stops7h 07m

$511

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 3/24

4:01 pm-11:59 pm

2 stops7h 58m

Washington, D.C. Reagan-National

Sat 3/28

4:34 pm-10:55 pm

1 stop6h 21m

$546
Quickest round-trip

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Tue 5/26

4:06 pm-8:28 pm

1 stop4h 22m

Washington, D.C. Reagan-National

Sun 5/31

5:00 pm-10:52 pm

1 stop5h 52m

$568

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

Tue 3/24

6:00 am-1:59 pm

2 stops7h 59m

Washington, D.C. Reagan-National

Sat 3/28

1:44 pm-10:55 pm

2 stops9h 11m

$606

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Sat 5/30

6:00 am-4:59 pm

1 stop10h 59m

Washington, D.C. Reagan-National

Tue 6/2

1:39 pm-10:52 pm

1 stop9h 13m

$608

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

8:39 am-3:39 pm

2 stops7h 00m

$619

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

1:59 pm-11:23 pm

2 stops9h 24m

$865

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Watertown, New York to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Watertown to Washington, D.C. Reagan-National?

American Airlines is the most popular carrier operating from Watertown to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Watertown, New York according to our data. American Airlines is the first choice among our users, with 90% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Watertown, New York to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Watertown, New York to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Watertown, New York to Washington, D.C. Reagan-National Airport (ART to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Watertown, New York to Washington, D.C. Reagan-National Airport

Fastest flight time

3h 59m

Direct flights

None
The fastest flight from Watertown, New York to Washington, D.C. Reagan-National Airport takes 3h 59m
There are no direct flights from Watertown, New York to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Watertown, New York to Washington, D.C. Reagan-National Airport.
Search flight deals

  • How far is Watertown to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 358.4 mi away from Watertown. 3h 59m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Watertown Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Watertown Airport to Washington, D.C. Reagan-National Airport were last updated today.

  • How old do you have to be to fly from Watertown Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Watertown Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Linthicum Heights
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Watertown to Washington, D.C.?

Finding the right flight to Washington, D.C. from Watertown is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Watertown to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Watertown which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Watertown to Washington, D.C.?

Once you have performed a search for Watertown to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Watertown to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Watertown to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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