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.

What is the cheapest day to fly from New Windsor to San Juan Luis Munoz Marin Intl Airport?

Travelers seeking maximum savings on their New Windsor to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What is the cheapest day to fly round-trip from New Windsor to San Juan Luis Munoz Marin Intl Airport?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 164% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from New Windsor to San Juan Luis Munoz Marin Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 12% on flights from New Windsor to San Juan Luis Munoz Marin Intl Airport compared to booking the week you need them. Waiting 28 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $229. For sooner than that we have options available in the next 3 days from $299.

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

Our data shows that March tends to be the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport from New Windsor. Users have commonly found prices around $269 for the month, but tickets can be as low as $79. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from SWF to SJU?

A simple way to save on the total cost of your ticket is to fly from New Windsor to San Juan Luis Munoz Marin Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the afternoon.

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.

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.

$151+ Flights from New Windsor to San Juan Luis Munoz Marin Intl Airport

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Cheap flight deals from Stewart to Luis Munoz Marin Intl

Round-trip from	$484 (Mytrip)
One-way from	$151 (Kiwi.com)
Popular in	April
Cheapest in	October
Average price	$396

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 August 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 August 14, 2025.

Sun 8/2412:13 pmSWF - SJU

1 stop11h 50mMultiple Airlines

Sat 8/306:55 pmSJU - SWF

1 stop16h 28mMultiple Airlines

Deal found 8/13

$490

Fri 8/225:36 pmSWF - SJU

2 stops21h 34mMultiple Airlines

Sun 8/244:12 pmSJU - SWF

2 stops24h 34mMultiple Airlines

Deal found 8/14

$497

Thu 8/2112:13 pmSWF - SJU

1 stop11h 50mMultiple Airlines

Mon 8/259:00 amSJU - SWF

1 stop7h 46mMultiple Airlines

Deal found 8/13

$503

Fri 10/312:24 pmSWF - SJU

2 stops11h 35mMultiple Airlines

Sat 10/43:39 amSJU - SWF

1 stop7h 24mMultiple Airlines

Deal found 8/13

$537

Fri 8/291:55 pmSWF - SJU

1 stop7h 53mMultiple Airlines

Sun 8/312:11 amSJU - SWF

2 stops10h 54mMultiple Airlines

Deal found 8/14

$544

Tue 8/2612:36 pmSWF - SJU

1 stop11h 21mMultiple Airlines

Wed 9/33:39 amSJU - SWF

1 stop7h 24mMultiple Airlines

Deal found 8/12

$570

Fri 8/291:55 pmSWF - SJU

1 stop7h 53mMultiple Airlines

Sun 8/318:13 pmSJU - SWF

1 stop13h 59mMultiple Airlines

Deal found 8/14

$572

Fri 9/1912:24 pmSWF - SJU

2 stops11h 35mMultiple Airlines

Wed 9/243:39 amSJU - SWF

1 stop7h 24mMultiple Airlines

Deal found 8/13

$590

Thu 10/1611:43 amSWF - SJU

1 stop14h 01mMultiple Airlines

Sat 10/182:49 amSJU - SWF

1 stop8h 14mMultiple Airlines

Deal found 8/14

$594

Mon 9/2912:24 pmSWF - SJU

2 stops12h 30mMultiple Airlines

Wed 10/13:39 amSJU - SWF

1 stop7h 24mMultiple Airlines

Deal found 8/13

$596

Tue 8/2612:36 pmSWF - SJU

1 stop11h 21mMultiple Airlines

Wed 8/273:59 amSJU - SWF

1 stop15h 13mMultiple Airlines

Deal found 8/12

$602

Best flights from Stewart to Luis Munoz Marin Intl
Discover carefully curated flight deals from Stewart to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Sun 10/265:45 pmSWF - SJU

3 stops31h 58mMultiple Airlines

Wed 10/293:19 pmSJU - SWF

3 stops21h 26mMultiple Airlines

Deal found 8/12

$484

Sun 8/2412:13 pmSWF - SJU

1 stop11h 50mMultiple Airlines

Sat 8/306:55 pmSJU - SWF

1 stop16h 28mMultiple Airlines

Deal found 8/13

$490

Fri 8/291:55 pmSWF - SJU

1 stop7h 53mMultiple Airlines

Sat 8/303:59 amSJU - SWF

1 stop15h 13mMultiple Airlines

Deal found 8/11

$496

Mon 8/255:36 pmSWF - SJU

2 stops23h 06mMultiple Airlines

Sun 8/312:11 amSJU - SWF

2 stops10h 54mMultiple Airlines

Deal found 8/12

$525

Fri 8/291:55 pmSWF - SJU

1 stop7h 53mMultiple Airlines

Mon 9/13:55 amSJU - SWF

1 stop8h 01mMultiple Airlines

Deal found 8/11

$530

Fri 10/312:24 pmSWF - SJU

2 stops11h 35mMultiple Airlines

Sat 10/43:39 amSJU - SWF

1 stop7h 24mMultiple Airlines

Deal found 8/13

$537

Thu 8/287:52 pmSWF - SJU

1 stop13h 07mMultiple Airlines

Sat 8/303:59 amSJU - SWF

1 stop15h 13mMultiple Airlines

Deal found 8/11

$558

Tue 8/2612:36 pmSWF - SJU

1 stop11h 21mMultiple Airlines

Wed 9/33:39 amSJU - SWF

1 stop7h 24mMultiple Airlines

Deal found 8/12

$570

Fri 2/611:09 amSWF - SJU

1 stop10h 50mMultiple Airlines

Wed 2/118:28 pmSJU - SWF

1 stop15h 40mMultiple Airlines

Deal found 8/11

$571

Last-minute flights from Stewart to Luis Munoz Marin Intl
Discover last-minute flight deals from Stewart to Luis Munoz Marin Intl. Data last updated August 14, 2025 and is based on user searches.

Thu 8/2112:13 pmSWF - SJU

1 stop11h 50mMultiple Airlines

Mon 8/259:00 amSJU - SWF

1 stop7h 46mMultiple Airlines

Deal found 8/13

$503

Thu 8/217:52 pmSWF - SJU

1 stop13h 07mMultiple Airlines

Wed 8/273:59 amSJU - SWF

1 stop15h 13mMultiple Airlines

Deal found 8/13

$677

Fri 8/225:36 pmSWF - SJU

2 stops21h 34mMultiple Airlines

Sun 8/244:12 pmSJU - SWF

2 stops24h 34mMultiple Airlines

Deal found 8/14

$497

Sat 8/237:29 pmSWF - SJU

1 stop13h 30mMultiple Airlines

Wed 8/273:59 amSJU - SWF

1 stop15h 13mMultiple Airlines

Deal found 8/13

$617

Sat 8/237:29 pmSWF - SJU

1 stop13h 30mMultiple Airlines

Mon 8/252:11 amSJU - SWF

1 stop9h 45mMultiple Airlines

Deal found 8/13

$668

Sun 8/2412:13 pmSWF - SJU

1 stop11h 50mMultiple Airlines

Sat 8/306:55 pmSJU - SWF

1 stop16h 28mMultiple Airlines

Deal found 8/13

$490

Sun 8/247:52 pmSWF - SJU

1 stop13h 07mMultiple Airlines

Thu 8/282:11 amSJU - SWF

2 stops10h 37mMultiple Airlines

Deal found 8/13

$667

Sun 8/247:52 pmSWF - SJU

1 stop13h 07mMultiple Airlines

Thu 8/288:13 pmSJU - SWF

2 stops16h 35mMultiple Airlines

Deal found 8/13

$672

Mon 8/255:36 pmSWF - SJU

2 stops23h 06mMultiple Airlines

Sun 8/312:11 amSJU - SWF

2 stops10h 54mMultiple Airlines

Deal found 8/12

$525

Tue 8/2612:36 pmSWF - SJU

1 stop11h 21mMultiple Airlines

Wed 9/33:39 amSJU - SWF

1 stop7h 24mMultiple Airlines

Deal found 8/12

$570

Thu 8/287:52 pmSWF - SJU

1 stop13h 07mMultiple Airlines

Sat 8/303:59 amSJU - SWF

1 stop15h 13mMultiple Airlines

Deal found 8/11

$558

Fri 8/291:55 pmSWF - SJU

1 stop7h 53mMultiple Airlines

Sat 8/303:59 amSJU - SWF

1 stop15h 13mMultiple Airlines

Deal found 8/11

$496

One-way flights from Stewart to Luis Munoz Marin Intl
Search for one-way flight options from Stewart to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sat 8/237:29 pmSWF - SJU

1 stop29h 27mMultiple Airlines

Deal found 8/11

$151

Mon 9/11:55 pmSWF - SJU

1 stop7h 53mMultiple Airlines

Deal found 8/12

$152

Fri 8/291:55 pmSWF - SJU

1 stop7h 53mMultiple Airlines

Deal found 8/14

$161

Fri 10/3111:31 amSWF - SJU

3 stops26h 40mMultiple Airlines

Deal found 8/12

$170

Fri 8/225:36 pmSWF - SJU

2 stops21h 34mMultiple Airlines

Deal found 8/12

$198

Sun 9/287:12 pmSWF - SJU

2 stops15h 52mMultiple Airlines

Deal found 8/12

$207

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Sun 10/26

5:45 pm-1:43 am

3 stops31h 58m

San Juan Luis Munoz Marin Intl

Wed 10/29

3:19 pm-12:45 pm

3 stops21h 26m

$484

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Sun 8/24

12:13 pm-12:03 am

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Sat 8/30

6:55 pm-11:23 am

1 stop16h 28m

$490

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 8/29

1:55 pm-9:48 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Sat 8/30

3:59 am-7:12 pm

1 stop15h 13m

$496

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Mon 8/25

5:36 pm-4:42 pm

2 stops23h 06m

San Juan Luis Munoz Marin Intl

Sun 8/31

2:11 am-1:05 pm

2 stops10h 54m

$525

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 8/29

1:55 pm-9:48 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Mon 9/1

3:55 am-11:56 am

1 stop8h 01m

$530

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 10/3

12:24 pm-11:59 pm

2 stops11h 35m

San Juan Luis Munoz Marin Intl

Sat 10/4

3:39 am-11:03 am

1 stop7h 24m

$537

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Thu 8/28

7:52 pm-8:59 am

1 stop13h 07m

San Juan Luis Munoz Marin Intl

Sat 8/30

3:59 am-7:12 pm

1 stop15h 13m

$558

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Tue 8/26

12:36 pm-11:57 pm

1 stop11h 21m

San Juan Luis Munoz Marin Intl

Wed 9/3

3:39 am-11:03 am

1 stop7h 24m

$570

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Fri 2/6

11:09 am-10:59 pm

1 stop10h 50m

San Juan Luis Munoz Marin Intl

Wed 2/11

8:28 pm-11:08 am

1 stop15h 40m

$571

New WindsorSan Juan

SWF - SJU

SWFSJU

New Windsor Stewart

Sat 8/23

7:29 pm-12:56 am

1 stop29h 27m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 14 results

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

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

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

JetBlue

7.2

Good

2,913 reviews

JetBlue

7.2

Good

2,913 reviews

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

Frontier

5.8

Fair

3,217 reviews

JetBlue

7.2

Good

2,913 reviews

Reviews

1 / 20

2.0

Mediocre

Kevin,Jul 2025

JFK - POS

Flight was delayed a couple hours with no explanation. The aircraft was changed and so did our seating arrangement with no notice.

Related info for your journey

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

Dorado

Fajardo

Rio Grande

Luquillo

Humacao

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Stewart to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$90	Average$166	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$244	Average$336	FlexibilityNo cancel fee	On-time62%

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$151+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to Luis Munoz Marin Intl with Cheapflights

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Find flight deals from Stewart to Luis Munoz Marin Intl

Cheapest flights from Stewart to Luis Munoz Marin IntlExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

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.

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.

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?

Reviews of airlines servicing Luis Munoz Marin Intl

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.

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?

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

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

How can I 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?

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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Stewart to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Stewart to Luis Munoz Marin Intl

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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 August 14, 2025.