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Cheap flights from Watertown, New York to San Juan from $231

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 San Juan departing on 1/19. 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

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Find the cheapest flights from Watertown, New York to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 11:56 pm
ART
-
SJU
15h 56m1 stop
American Airlines Logo
7:00 am - 6:14 pm
SJU
-
ART
12h 14m1 stop
$231American Airlines
Mon, Jan 19 - Wed, Jan 28
American Airlines Logo
7:00 am - 11:56 pm
ART
-
SJU
15h 56m1 stop
American Airlines Logo
7:00 am - 6:14 pm
SJU
-
ART
12h 14m1 stop
$250American Airlines
Mon, Jan 19 - Wed, Jan 28
American Airlines Logo
6:00 am - 3:12 pm
ART
-
SJU
9h 12m1 stop
American Airlines Logo
1:30 am - 10:55 pm
SJU
-
ART
21h 25m2 stops
$291American Airlines
Mon, Mar 16 - Wed, Mar 18
American Airlines Logo
6:00 am - 10:40 pm
ART
-
SJU
16h 40m1 stop
American Airlines Logo
5:00 am - 5:43 pm
SJU
-
ART
12h 43m1 stop
$371American Airlines
Sun, Mar 15 - Thu, Mar 19
American Airlines Logo
6:00 am - 8:34 pm
ART
-
SJU
14h 34m2 stops
American Airlines Logo
6:00 am - 10:55 pm
SJU
-
ART
16h 55m2 stops
$453American Airlines
Tue, Mar 17 - Thu, Mar 19
American Airlines Logo
6:00 am - 8:34 pm
ART
-
SJU
14h 34m2 stops
American Airlines Logo
1:30 am - 5:43 pm
SJU
-
ART
16h 13m2 stops
$478American Airlines
Mon, Mar 16 - Wed, Mar 18
American Airlines Logo
6:00 am - 10:34 pm
ART
-
SJU
16h 34m2 stops
American Airlines Logo
4:02 pm - 10:55 pm
SJU
-
ART
6h 53m1 stop
$533American Airlines
Tue, Mar 17 - Fri, Mar 20
American Airlines Logo
6:00 am - 8:34 pm
ART
-
SJU
14h 34m2 stops
American Airlines Logo
7:00 am - 10:55 pm
SJU
-
ART
15h 55m2 stops
$534American Airlines
Tue, Mar 17 - Sat, Mar 21
American Airlines Logo
6:00 am - 10:34 pm
ART
-
SJU
16h 34m2 stops
American Airlines Logo
4:02 pm - 10:55 pm
SJU
-
ART
6h 53m1 stop
$558American Airlines
Mon, Mar 16 - Fri, Mar 20

American Airlines flights from Watertown, New York to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Watertown, New York to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Jan 19
ART6:50 pmWatertown
22h 32m
2 stops
SJU6:22 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU2:28 pmSan Juan Luis Munoz Marin Intl
7h 55m
1 stop
ART9:23 pmWatertown
$231
Find similar
American Airlines
Jan 19
ART7:00 amWatertown
15h 56m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU7:00 amSan Juan Luis Munoz Marin Intl
12h 14m
1 stop
ART6:14 pmWatertown
$250
Find similar
American Airlines
Mar 16
ART6:00 amWatertown
16h 40m
1 stop
SJU10:40 pmSan Juan Luis Munoz Marin Intl
Mar 19
SJU5:00 amSan Juan Luis Munoz Marin Intl
12h 43m
1 stop
ART5:43 pmWatertown
$291
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Watertown, New York to San Juan Luis Munoz Marin Intl 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 December 26, 2025.
Use the filters below to find and compare flights from Watertown, New York to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Mon 1/19

7:00 am-11:56 pm

1 stop15h 56m

San Juan Luis Munoz Marin Intl

Wed 1/28

7:00 am-6:14 pm

1 stop12h 14m

$231

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Mon 1/19

7:00 am-11:56 pm

1 stop15h 56m

San Juan Luis Munoz Marin Intl

Wed 1/28

7:00 am-6:14 pm

1 stop12h 14m

$250

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Mon 3/16

6:00 am-3:12 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Wed 3/18

1:30 am-10:55 pm

2 stops21h 25m

$291

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Sun 3/15

6:00 am-10:40 pm

1 stop16h 40m

San Juan Luis Munoz Marin Intl

Thu 3/19

5:00 am-5:43 pm

1 stop12h 43m

$371

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Tue 3/17

6:00 am-8:34 pm

2 stops14h 34m

San Juan Luis Munoz Marin Intl

Thu 3/19

6:00 am-10:55 pm

2 stops16h 55m

$453

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Mon 3/16

6:00 am-8:34 pm

2 stops14h 34m

San Juan Luis Munoz Marin Intl

Wed 3/18

1:30 am-5:43 pm

2 stops16h 13m

$478

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Tue 3/17

6:00 am-10:34 pm

2 stops16h 34m

San Juan Luis Munoz Marin Intl

Fri 3/20

4:02 pm-10:55 pm

1 stop6h 53m

$533

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Tue 3/17

6:00 am-8:34 pm

2 stops14h 34m

San Juan Luis Munoz Marin Intl

Sat 3/21

7:00 am-10:55 pm

2 stops15h 55m

$534

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Mon 3/16

6:00 am-10:34 pm

2 stops16h 34m

San Juan Luis Munoz Marin Intl

Fri 3/20

4:02 pm-10:55 pm

1 stop6h 53m

$558

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Watertown, New York to San Juan Luis Munoz Marin Intl 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 airlines fly to San Juan Luis Munoz Marin Intl Airport?

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Watertown, New York according to our data. JetBlue is the first choice among our users, with 59% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 5 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Watertown, New York to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Watertown, New York to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport (ART to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Watertown, New York to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

9h 12m

Direct flights

None
The fastest flight from Watertown, New York to San Juan Luis Munoz Marin Intl Airport takes 9h 12m
There are no direct flights from Watertown, New York to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Watertown, New York to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Watertown to San Juan Luis Munoz Marin Intl by plane?

    Watertown and San Juan Luis Munoz Marin Intl are 1854.4 mi apart from one another. 9h 12m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Watertown Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Watertown Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How old do you have to be to fly from Watertown Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Watertown Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Watertown to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Watertown to San Juan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Watertown to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Watertown to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Watertown to San Juan?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Watertown.

I’m not ready to book a flight from Watertown to San Juan right now. Can momondo alert me if prices change?

Price alerts on flights to San Juan from Watertown are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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