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Cheap flights from Watertown, New York to San Juan from $382

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 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
4:01 pm - 11:52 pm
ART
-
SJU
7h 51m
1 stop
American Airlines Logo
5:00 am - 3:19 pm
SJU
-
ART
10h 19m
1 stop
$382American Airlines
Sun, Mar 15 - Thu, Mar 19
American Airlines Logo
4:01 pm - 9:00 am
ART
-
SJU
16h 59m
2 stops
American Airlines Logo
4:02 pm - 10:55 pm
SJU
-
ART
6h 53m
1 stop
$389American Airlines
Wed, Mar 18 - Thu, Mar 26
American Airlines Logo
4:01 pm - 9:00 am
ART
-
SJU
16h 59m
2 stops
American Airlines Logo
5:00 am - 3:19 pm
SJU
-
ART
10h 19m
1 stop
$408American Airlines
Wed, Mar 18 - Thu, Mar 26
American Airlines Logo
4:01 pm - 9:00 am
ART
-
SJU
16h 59m
2 stops
American Airlines Logo
6:00 am - 10:55 pm
SJU
-
ART
16h 55m
2 stops
$429American Airlines
Wed, Mar 18 - Thu, Mar 26
American Airlines Logo
4:01 pm - 9:00 am
ART
-
SJU
16h 59m
2 stops
American Airlines Logo
6:00 am - 10:55 pm
SJU
-
ART
16h 55m
2 stops
$435American Airlines
Wed, Mar 18 - Thu, Mar 26
American Airlines Logo
4:01 pm - 9:00 am
ART
-
SJU
16h 59m
2 stops
American Airlines Logo
5:00 am - 3:19 pm
SJU
-
ART
10h 19m
1 stop
$478American Airlines
Sun, Mar 15 - Thu, Mar 19
American Airlines Logo
6:00 am - 10:59 pm
ART
-
SJU
16h 59m
2 stops
American Airlines Logo
6:01 am - 3:39 pm
SJU
-
ART
9h 38m
1 stop
$501American Airlines
Wed, Jun 3 - Sun, Jun 14
American Airlines Logo
6:00 am - 12:17 am
ART
-
SJU
18h 17m
2 stops
American Airlines Logo
6:00 am - 3:35 pm
SJU
-
ART
9h 35m
1 stop
$506American Airlines
Sun, Jul 26 - Sat, Aug 1
American Airlines Logo
4:01 pm - 11:52 pm
ART
-
SJU
7h 51m
1 stop
American Airlines Logo
6:01 pm - 3:19 pm
SJU
-
ART
21h 18m
2 stops
$522American Airlines
Sun, Mar 15 - Mon, Mar 23
American Airlines Logo
6:00 am - 3:10 pm
ART
-
SJU
9h 10m
1 stop
American Airlines Logo
6:01 pm - 3:19 pm
SJU
-
ART
21h 18m
2 stops
$536American Airlines
Wed, Mar 18 - Mon, Mar 23

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
Mar 15
ART4:01 pmWatertown
7h 51m
1 stop
SJU11:52 pmSan Juan Luis Munoz Marin Intl
Mar 19
SJU5:00 amSan Juan Luis Munoz Marin Intl
10h 19m
1 stop
ART3:19 pmWatertown
$382
American Airlines
Mar 18
ART4:01 pmWatertown
16h 59m
2 stops
SJU9:00 amSan Juan Luis Munoz Marin Intl
Mar 26
SJU4:02 pmSan Juan Luis Munoz Marin Intl
6h 53m
1 stop
ART10:55 pmWatertown
$389
American Airlines
Mar 18
ART4:01 pmWatertown
16h 59m
2 stops
SJU9:00 amSan Juan Luis Munoz Marin Intl
Mar 26
SJU5:00 amSan Juan Luis Munoz Marin Intl
10h 19m
1 stop
ART3:19 pmWatertown
$408

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 March 3, 2026.
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

Sun 3/15

4:01 pm-11:52 pm

1 stop7h 51m

San Juan Luis Munoz Marin Intl

Thu 3/19

5:00 am-3:19 pm

1 stop10h 19m

$382

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Wed 3/18

4:01 pm-9:00 am

2 stops16h 59m

San Juan Luis Munoz Marin Intl

Thu 3/26

4:02 pm-10:55 pm

1 stop6h 53m

$389

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Wed 3/18

4:01 pm-9:00 am

2 stops16h 59m

San Juan Luis Munoz Marin Intl

Thu 3/26

5:00 am-3:19 pm

1 stop10h 19m

$408

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Wed 3/18

4:01 pm-9:00 am

2 stops16h 59m

San Juan Luis Munoz Marin Intl

Thu 3/26

6:00 am-10:55 pm

2 stops16h 55m

$429

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Wed 3/18

4:01 pm-9:00 am

2 stops16h 59m

San Juan Luis Munoz Marin Intl

Thu 3/26

6:00 am-10:55 pm

2 stops16h 55m

$435

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Sun 3/15

4:01 pm-9:00 am

2 stops16h 59m

San Juan Luis Munoz Marin Intl

Thu 3/19

5:00 am-3:19 pm

1 stop10h 19m

$478

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Wed 6/3

6:00 am-10:59 pm

2 stops16h 59m

San Juan Luis Munoz Marin Intl

Sun 6/14

6:01 am-3:39 pm

1 stop9h 38m

$501

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Sun 7/26

6:00 am-12:17 am

2 stops18h 17m

San Juan Luis Munoz Marin Intl

Sat 8/1

6:00 am-3:35 pm

1 stop9h 35m

$506

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Sun 3/15

4:01 pm-11:52 pm

1 stop7h 51m

San Juan Luis Munoz Marin Intl

Mon 3/23

6:01 pm-3:19 pm

2 stops21h 18m

$522

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Wed 3/18

6:00 am-3:10 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Mon 3/23

6:01 pm-3:19 pm

2 stops21h 18m

$536

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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, American Airlines and United 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 54% 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

16h 59m

Direct flights

None
The fastest flight from Watertown, New York to San Juan Luis Munoz Marin Intl Airport takes 16h 59m
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. 16h 59m 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
Caguas
Rio Grande
Humacao
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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