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Luis Munoz Marin Intl

$201+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$507
(Kiwi.com)

One-way from

$201
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$244
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. 34% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 16% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:32 pmSWF - SJU
2 stops10h 09mMultiple Airlines
Sat 11/83:59 amSJU - SWF
1 stop8h 04mMultiple Airlines
Deal found 9/9$507
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:43 amSWF - SJU
1 stop14h 01mMultiple Airlines
Sun 11/23:48 amSJU - SWF
2 stops8h 56mMultiple Airlines
Deal found 9/9$566
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:30 pmSWF - SJU
1 stop13h 22mMultiple Airlines
Sun 12/218:28 pmSJU - SWF
1 stop22h 52mMultiple Airlines
Deal found 9/11$570
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:24 pmSWF - SJU
2 stops13h 20mMultiple Airlines
Sat 10/252:49 amSJU - SWF
1 stop8h 14mMultiple Airlines
Deal found 9/11$576
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:43 amSWF - SJU
1 stop14h 01mMultiple Airlines
Sat 11/12:48 amSJU - SWF
1 stop9h 15mMultiple Airlines
Deal found 9/9$588
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:43 amSWF - SJU
1 stop14h 01mMultiple Airlines
Thu 10/302:49 amSJU - SWF
2 stops8h 55mMultiple Airlines
Deal found 9/9$594
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:43 amSWF - SJU
1 stop14h 51mMultiple Airlines
Sat 9/273:39 amSJU - SWF
1 stop7h 24mMultiple Airlines
Deal found 9/11$597
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:43 amSWF - SJU
1 stop14h 01mMultiple Airlines
Sat 10/112:49 amSJU - SWF
1 stop8h 14mMultiple Airlines
Deal found 9/10$599
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:43 amSWF - SJU
1 stop14h 01mMultiple Airlines
Sat 10/182:49 amSJU - SWF
1 stop8h 14mMultiple Airlines
Deal found 9/9$602
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:43 amSWF - SJU
1 stop10h 36mMultiple Airlines
Thu 12/112:59 amSJU - SWF
2 stops9h 45mMultiple Airlines
Deal found 9/10$605

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 September 11, 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

Thu 11/6

1:32 pm-12:41 am

2 stops10h 09m

San Juan Luis Munoz Marin Intl

Sat 11/8

3:59 am-11:03 am

1 stop8h 04m

$507

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Thu 10/30

11:43 am-1:44 am

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Sun 11/2

3:48 am-11:44 am

2 stops8h 56m

$566

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 10/24

12:24 pm-1:44 am

2 stops13h 20m

San Juan Luis Munoz Marin Intl

Sat 10/25

2:49 am-11:03 am

1 stop8h 14m

$576

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Sun 10/26

11:43 am-1:44 am

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Sat 11/1

2:48 am-11:03 am

1 stop9h 15m

$588

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Sun 10/26

11:43 am-1:44 am

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Thu 10/30

2:49 am-11:44 am

2 stops8h 55m

$594

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Thu 9/18

11:43 am-2:34 am

1 stop14h 51m

San Juan Luis Munoz Marin Intl

Sat 9/27

3:39 am-11:03 am

1 stop7h 24m

$597

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Thu 10/9

11:43 am-1:44 am

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Sat 10/11

2:49 am-11:03 am

1 stop8h 14m

$599

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Thu 10/16

11:43 am-1:44 am

1 stop14h 01m

San Juan Luis Munoz Marin Intl

Sat 10/18

2:49 am-11:03 am

1 stop8h 14m

$602

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Sun 12/7

11:43 am-11:19 pm

1 stop10h 36m

San Juan Luis Munoz Marin Intl

Thu 12/11

2:59 am-11:44 am

2 stops9h 45m

$605

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Thu 10/23

11:43 am-2:30 am

1 stop14h 47m

San Juan Luis Munoz Marin Intl

Sat 10/25

2:49 am-11:03 am

1 stop8h 14m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
1
2

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, September is the cheapest month in which you can book a flight from New Windsor to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from New Windsor to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from New Windsor to San Juan Luis Munoz Marin Intl Airport, such as JetBlue and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,913 reviews

Boarding

7.4

Overall

7.2

Entertainment

7.3

Food

6.7

Crew

8.0

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
JetBlue
7.2
Good
2,913 reviews
JetBlue
7.2
Good
2,913 reviews

Boarding

7.4

Overall

7.2

Entertainment

7.3

Food

6.7

Crew

8.0

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
Frontier
5.8
Fair
3,177 reviews
JetBlue
7.2
Good
2,913 reviews

Boarding

7.4

Overall

7.2

Entertainment

7.3

Food

6.7

Crew

8.0

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

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 2 different airlines.

  • What are the cheapest airlines flying from New Windsor to San Juan Luis Munoz Marin Intl Airport round-trip?

    Frontier, at $90, was found to be the cheapest airline from New Windsor to San Juan Luis Munoz Marin Intl Airport. An alternate airline flying to your destination would be JetBlue. Users have found that Frontier is 72% cheaper than the other options available to this destination.

  • 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, September is the cheapest month in which you can book a flight from New Windsor to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from New Windsor to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Stewart to Luis Munoz Marin Intl

Discover the top 2 airlines that operate flights from Stewart to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$186FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$244Average$336FlexibilityNo cancel feeOn-time62%

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