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Luis Munoz Marin Intl

$131+ Cheap flights from New Windsor (SWF) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — SJU
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
1 adult, Economy
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Cheap flight deals from Stewart to Luis Munoz Marin Intl

Cheapest flights from Stewart to Luis Munoz Marin Intl
Explore the most affordable flight options available from Stewart to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:27 pmSWF - SJU
1 stop11h 18mMultiple Airlines
Sun 12/144:10 amSJU - SWF
1 stop8h 27mMultiple Airlines
Deal found 12/2$240
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:27 pmSWF - SJU
1 stop11h 18mMultiple Airlines
Thu 12/184:10 amSJU - SWF
1 stop14h 56mMultiple Airlines
Deal found 12/3$265
This Mytrip deal was found by Cheapflights users on 12/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:27 pmSWF - SJU
1 stop11h 18mMultiple Airlines
Thu 12/184:10 amSJU - SWF
1 stop14h 56mMultiple Airlines
Deal found 12/5$284
This Mytrip deal was found by Cheapflights users on 12/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:27 pmSWF - SJU
1 stop11h 18mMultiple Airlines
Thu 12/114:10 amSJU - SWF
1 stop8h 27mMultiple Airlines
Deal found 12/5$302
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:27 pmSWF - SJU
1 stop11h 18mMultiple Airlines
Sun 12/214:10 amSJU - SWF
1 stop16h 25mMultiple Airlines
Deal found 12/3$310

Find flight deals from Stewart to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Stewart (SWF) 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 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$265
(Mytrip)

One-way from

$131
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$365
Provider with most accurate pricing for New Windsor Stewart-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for New Windsor Stewart-San Juan Luis Munoz Marin Intl flights.
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From New Windsor Stewart to San Juan Luis Munoz Marin Intl
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One-way flight from New Windsor Stewart to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 7% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Stewart 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 5, 2025.
Use the filters below to find and compare flights from New Windsor to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Stewart

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Mon 12/15

12:27 pm-12:45 am

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Thu 12/18

4:10 am-6:06 pm

1 stop14h 56m

$266

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 12/12

12:27 pm-12:45 am

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Sun 12/14

4:10 am-11:37 am

1 stop8h 27m

$278

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Mon 1/5

11:37 am-10:05 pm

1 stop9h 28m

San Juan Luis Munoz Marin Intl

Sat 1/10

2:59 am-10:19 am

2 stops32h 20m

$312

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 12/12

12:27 pm-12:45 am

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Thu 12/18

2:59 am-6:06 pm

2 stops16h 07m

$317

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 1/9

11:09 am-9:47 am

2 stops21h 38m

San Juan Luis Munoz Marin Intl

Sat 1/10

2:59 am-10:19 am

2 stops32h 20m

$339

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 12/12

12:27 pm-12:45 am

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Sun 12/14

11:38 am-11:37 am

2 stops24h 59m

$362

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Mon 12/8

12:27 pm-12:45 am

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Thu 12/11

5:00 pm-11:37 am

2 stops19h 37m

$386

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Mon 12/15

12:27 pm-12:45 am

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Wed 12/17

3:55 am-11:03 am

1 stop8h 08m

$398

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Mon 1/26

11:09 am-9:47 am

2 stops21h 38m

$131

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Mon 2/2

11:09 am-9:47 am

2 stops21h 38m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 18 results
1
2

Compare providers for flights from Stewart 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 Stewart to Luis Munoz Marin Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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 New Windsor-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 New Windsor-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 New Windsor-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 New Windsor-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 New Windsor-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 Stewart to Luis Munoz Marin Intl

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

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

Currently, March is the cheapest month in which you can book a flight from New Windsor to San Juan Luis Munoz Marin Intl Airport (average of $79). Flying from New Windsor to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $138). 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 Stewart 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 New Windsor to San Juan Luis Munoz Marin Intl?

    If you book a flight to San Juan Luis Munoz Marin Intl from New Windsor, you will be flying from Stewart, which is the city’s only airport. New Windsor Stewart (SWF) is located 4.3 mi from the center of New Windsor. There are 0 flights from Stewart to San Juan Luis Munoz Marin Intl per day from 0 different airlines.

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

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

  • How can I find direct flights from Stewart 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 Stewart to Luis Munoz Marin Intl.

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

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

    Currently, March is the cheapest month in which you can book a flight from New Windsor to San Juan Luis Munoz Marin Intl Airport (average of $79). Flying from New Windsor to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $138). 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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