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Cheap flights from Watertown, New York to Washington, D.C. from $549

This is the cheapest round-trip 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 9/24. 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
0 bags

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
4:00 pm - 11:59 pm
ART
-
DCA
7h 59m
2 stops
American Airlines Logo
10:49 am - 7:21 pm
DCA
-
ART
8h 32m
2 stops
$549American Airlines
Thu, Sep 24 - Tue, Sep 29
American Airlines Logo
11:25 am - 4:40 pm
ART
-
DCA
5h 15m
1 stop
American Airlines Logo
5:22 pm - 11:28 pm
DCA
-
ART
6h 06m
1 stop
$560American Airlines
Tue, May 5 - Sat, May 9
American Airlines Logo
6:00 am - 2:08 pm
ART
-
DCA
8h 08m
2 stops
American Airlines Logo
5:22 pm - 11:28 pm
DCA
-
ART
6h 06m
1 stop
$566American Airlines
Tue, May 5 - Sat, May 9
American Airlines Logo
6:00 am - 12:59 pm
ART
-
DCA
6h 59m
2 stops
American Airlines Logo
1:44 pm - 11:28 pm
DCA
-
ART
9h 44m
2 stops
$571American Airlines
Tue, May 5 - Sat, May 9
American Airlines Logo
4:06 pm - 8:55 pm
ART
-
DCA
4h 49m
1 stop
American Airlines Logo
5:00 pm - 10:52 pm
DCA
-
ART
5h 52m
1 stop
$576American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
4:06 pm - 8:55 pm
ART
-
DCA
4h 49m
1 stop
American Airlines Logo
6:58 am - 3:39 pm
DCA
-
ART
8h 41m
2 stops
$585American Airlines
Fri, Jun 5 - Fri, Jun 12
American Airlines Logo
6:00 am - 1:59 pm
ART
-
DCA
7h 59m
2 stops
American Airlines Logo
6:23 am - 3:39 pm
DCA
-
ART
9h 16m
2 stops
$591American Airlines
Fri, Jun 5 - Fri, Jun 12
American Airlines Logo
6:00 am - 1:44 pm
ART
-
DCA
7h 44m
2 stops
American Airlines Logo
5:00 pm - 10:52 pm
DCA
-
ART
5h 52m
1 stop
$641American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
4:06 pm - 8:55 pm
ART
-
DCA
4h 49m
1 stop
American Airlines Logo
5:00 pm - 10:52 pm
DCA
-
ART
5h 52m
1 stop
$660American Airlines
Fri, Jun 5 - Fri, Jun 12
American Airlines Logo
6:00 am - 1:44 pm
ART
-
DCA
7h 44m
2 stops
American Airlines Logo
3:20 pm - 10:52 pm
DCA
-
ART
7h 32m
2 stops
$710American Airlines
Fri, Jun 12 - Sun, Jun 14

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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
Sep 24
ART4:00 pmWatertown
7h 59m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
Sep 29
DCA10:49 amWashington, D.C. Reagan-National
8h 32m
2 stops
ART7:21 pmWatertown
$549
American Airlines
May 5
ART11:25 amWatertown
5h 15m
1 stop
DCA4:40 pmWashington, D.C. Reagan-National
May 9
DCA5:22 pmWashington, D.C. Reagan-National
6h 06m
1 stop
ART11:28 pmWatertown
$560
American Airlines
May 5
ART6:00 amWatertown
8h 08m
2 stops
DCA2:08 pmWashington, D.C. Reagan-National
May 9
DCA5:22 pmWashington, D.C. Reagan-National
6h 06m
1 stop
ART11:28 pmWatertown
$566

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 April 24, 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

Thu 9/24

4:00 pm-11:59 pm

2 stops7h 59m

Washington, D.C. Reagan-National

Tue 9/29

10:49 am-7:21 pm

2 stops8h 32m

$549

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Tue 5/5

11:25 am-4:40 pm

1 stop5h 15m

Washington, D.C. Reagan-National

Sat 5/9

5:22 pm-11:28 pm

1 stop6h 06m

$560

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Tue 5/5

6:00 am-2:08 pm

2 stops8h 08m

Washington, D.C. Reagan-National

Sat 5/9

5:22 pm-11:28 pm

1 stop6h 06m

$566

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Tue 5/5

6:00 am-12:59 pm

2 stops6h 59m

Washington, D.C. Reagan-National

Sat 5/9

1:44 pm-11:28 pm

2 stops9h 44m

$571
Quickest round-trip

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Fri 6/12

4:06 pm-8:55 pm

1 stop4h 49m

Washington, D.C. Reagan-National

Sun 6/14

5:00 pm-10:52 pm

1 stop5h 52m

$576

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Fri 6/5

4:06 pm-8:55 pm

1 stop4h 49m

Washington, D.C. Reagan-National

Fri 6/12

6:58 am-3:39 pm

2 stops8h 41m

$585

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Fri 6/5

6:00 am-1:59 pm

2 stops7h 59m

Washington, D.C. Reagan-National

Fri 6/12

6:23 am-3:39 pm

2 stops9h 16m

$591

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Fri 6/12

6:00 am-1:44 pm

2 stops7h 44m

Washington, D.C. Reagan-National

Sun 6/14

5:00 pm-10:52 pm

1 stop5h 52m

$641

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Fri 6/5

4:06 pm-8:55 pm

1 stop4h 49m

Washington, D.C. Reagan-National

Fri 6/12

5:00 pm-10:52 pm

1 stop5h 52m

$660

WatertownWashington, D.C.

ART - DCA

ARTDCA

Watertown

Fri 6/12

6:00 am-1:44 pm

2 stops7h 44m

Washington, D.C. Reagan-National

Sun 6/14

3:20 pm-10:52 pm

2 stops7h 32m

$710

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

5h 35m

Direct flights

None
The fastest flight from Watertown, New York to Washington, D.C. Reagan-National Airport takes 5h 35m
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.
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Frequently asked questions about flying from Watertown, New York to Washington, D.C. Reagan-National Airport

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

    Washington, D.C. Reagan-National is 358.4 mi away from Watertown. 5h 35m 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.

Frequently asked questions about flying from Watertown, New York to Washington, D.C. Reagan-National Airport

  • How do I get Price Alerts for flights from Watertown, New York to Washington, D.C. Reagan-National Airport?

    Confirm your travel details to search for the latest offers for flights from Watertown, New York to Washington, D.C. Reagan-National Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Watertown, New York to Washington, D.C. Reagan-National Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
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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