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Luis Munoz Marin Intl

$231+ Cheap flights from Watertown, NY (ART) to Luis Munoz Marin Intl (SJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
ART — SJU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Watertown to Luis Munoz Marin Intl

Cheapest flights from Watertown to Luis Munoz Marin Intl
Explore the most affordable flight options available from Watertown to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/307:05 pmART - SJU
2 stops17h 36mAmerican Airlines
Wed 12/313:49 pmSJU - ART
2 stops32h 15mAmerican Airlines
Deal found 12/10$430
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/307:05 pmART - SJU
2 stops22h 02mAmerican Airlines
Mon 1/510:03 pmSJU - ART
2 stops21h 11mAmerican Airlines
Deal found 12/10$514
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/307:05 pmART - SJU
2 stops19h 43mAmerican Airlines
Tue 1/66:00 amSJU - ART
2 stops13h 14mAmerican Airlines
Deal found 12/10$590
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/296:58 pmART - SJU
2 stops25h 13mAmerican Airlines
Wed 12/313:49 pmSJU - ART
2 stops32h 15mAmerican Airlines
Deal found 12/10$607
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:30 amART - SJU
2 stops12h 41mAmerican Airlines
Mon 1/510:03 pmSJU - ART
2 stops21h 11mAmerican Airlines
Deal found 12/10$615
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:30 amART - SJU
2 stops12h 41mAmerican Airlines
Thu 1/15:18 amSJU - ART
2 stops18h 46mAmerican Airlines
Deal found 12/10$691
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/307:05 pmART - SJU
2 stops22h 02mAmerican Airlines
Thu 1/16:18 amSJU - ART
1 stop13h 12mAmerican Airlines
Deal found 12/10$704
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/296:58 pmART - SJU
2 stops25h 13mAmerican Airlines
Tue 1/66:00 amSJU - ART
2 stops13h 14mAmerican Airlines
Deal found 12/10$767
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/286:00 amART - SJU
2 stops22h 34mAmerican Airlines
Wed 12/313:49 pmSJU - ART
2 stops32h 15mAmerican Airlines
Deal found 12/10$771

Find flight deals from Watertown to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Watertown (ART) to Luis Munoz Marin Intl (SJU). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$231
(American Airlines)
Provider with most accurate pricing for Watertown-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Watertown-San Juan Luis Munoz Marin Intl flights.
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From Watertown to San Juan Luis Munoz Marin Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Watertown to Luis Munoz Marin Intl 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 December 12, 2025.
Use the filters below to find and compare flights from Watertown to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Watertown

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Mon 1/19

6:50 pm-3:59 pm

2 stops20h 09m

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

Tue 1/20

7:00 am-4:30 pm

1 stop8h 30m

San Juan Luis Munoz Marin Intl

Mon 1/26

6:00 am-6:14 pm

2 stops13h 14m

$288

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Sat 1/3

6:58 pm-1:54 pm

2 stops17h 56m

San Juan Luis Munoz Marin Intl

Sat 1/10

6:00 am-6:14 pm

2 stops13h 14m

$444

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Thu 1/1

6:58 pm-11:34 pm

2 stops27h 36m

San Juan Luis Munoz Marin Intl

Mon 1/5

10:03 pm-6:14 pm

2 stops21h 11m

$478

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Tue 12/30

7:05 pm-6:07 pm

2 stops22h 02m

San Juan Luis Munoz Marin Intl

Mon 1/5

10:03 pm-6:14 pm

2 stops21h 11m

$514

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Thu 1/1

6:58 pm-11:34 pm

2 stops27h 36m

San Juan Luis Munoz Marin Intl

Tue 1/6

6:00 am-6:14 pm

2 stops13h 14m

$554

WatertownSan Juan

ART - SJU

ARTSJU

Watertown

Wed 2/11

7:00 am-10:22 pm

2 stops14h 22m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Watertown to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Watertown to Luis Munoz Marin Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Watertown, New York-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Watertown, New York-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Watertown, New York-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Watertown, New York-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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-San Juan Luis Munoz Marin Intl 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 Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Watertown, New York to San Juan Luis Munoz Marin Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Watertown, New York to San Juan Luis Munoz Marin Intl Airport (average of $130). Flying from Watertown, New York to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $285). 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 Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl?

    Most people fly from Watertown (ART) if they book a flight from Watertown to San Juan Luis Munoz Marin Intl. On average, Watertown has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 0 airlines. Watertown is conveniently located just 5.6 mi from Watertown’s city center.

  • How long is the flight from Watertown, New York to San Juan Luis Munoz Marin Intl Airport?

    There are many flights that can get you from Watertown, New York to San Juan Luis Munoz Marin Intl Airport in 20h 09m. Fly via American Airlines to get the fastest option. The distance from Watertown, New York to San Juan Luis Munoz Marin Intl Airport is about 1857 mi.

  • Can I find deals for flights from Watertown to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Watertown to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Watertown to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Watertown to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Watertown to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Watertown to Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Watertown, New York to San Juan Luis Munoz Marin Intl Airport (average of $130). Flying from Watertown, New York to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of $285). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

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