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Cheap flights from Islip (ISP) to Luis Munoz Marin Intl (SJU) from $135

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ISP — SJU
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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Cheap flight deals from Islip to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) 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 May 9, 2024.

Popular in

April

Cheapest in

November

Round-trip from

$251

One-way from

$135
High demand for flights, 62% potential price rise
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Best time to find cheap flights, 58% potential price drop
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From Islip Long Island to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Islip Long Island to San Juan Luis Munoz Marin Intl
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What is the cheapest day to fly round-trip from Islip, New York to San Juan Luis Munoz Marin Intl Airport?

Users have found that flying from Islip, New York to San Juan Luis Munoz Marin Intl Airport on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save on the cost of your flight from Islip, New York to San Juan Luis Munoz Marin Intl Airport, book at least 31 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $323 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $343.

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

Our data shows that September tends to be the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport from Islip, New York. Users have commonly found prices around $324 for the month, but tickets can be as low as $85. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Islip, New York to San Juan Luis Munoz Marin Intl Airport (ISP - SJU)?

A simple way to save on the total cost of your ticket is to fly from Islip, New York to San Juan Luis Munoz Marin Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

Cheap Frontier flights from Islip to Luis Munoz Marin Intl

Explore cheap flight options specifically provided by Frontier for the route between Islip and Luis Munoz Marin Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/7$179
Tue 5/146:05 pmISP - SJU
1 stop7h 51mFrontier
Sat 5/188:18 pmSJU - ISP
1 stop11h 55mFrontier
Deal found 5/8$244
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/8$253
Thu 8/225:25 pmISP - SJU
1 stop8h 38mFrontier
Mon 8/268:09 pmSJU - ISP
1 stop12h 17mFrontier
Deal found 5/8$264
Sun 6/164:46 pmISP - SJU
1 stop9h 19mFrontier
Wed 6/193:08 amSJU - ISP
1 stop28h 32mFrontier
Deal found 5/8$281
Tue 5/214:49 pmISP - SJU
1 stop9h 20mFrontier
Tue 5/288:32 pmSJU - ISP
1 stop11h 41mFrontier
Deal found 5/7$288
Fri 7/125:25 pmISP - SJU
1 stop8h 38mFrontier
Mon 7/1510:23 pmSJU - ISP
1 stop10h 03mFrontier
Deal found 5/8$294
Tue 5/146:05 pmISP - SJU
1 stop29h 45mFrontier
Fri 5/173:15 amSJU - ISP
1 stop28h 58mFrontier
Deal found 5/8$296
Thu 6/274:46 pmISP - SJU
1 stop9h 07mFrontier
Mon 7/13:08 amSJU - ISP
1 stop28h 32mFrontier
Deal found 5/7$298

Cheap Islip to Luis Munoz Marin Intl flights in May & June 2024

Find cheap flight options from Islip to Luis Munoz Marin Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 9, 2024.
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/7$179
Tue 5/146:05 pmISP - SJU
1 stop7h 51mFrontier
Sat 5/188:18 pmSJU - ISP
1 stop11h 55mFrontier
Deal found 5/8$244
Mon 5/138:54 amISP - SJU
1 stop13h 43mFrontier
Fri 5/178:33 pmSJU - ISP
1 stop12h 25mFrontier
Deal found 5/8$248
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/8$253
Sun 5/129:51 pmISP - SJU
1 stop11h 57mFrontier
Sun 5/198:32 pmSJU - ISP
1 stop11h 41mFrontier
Deal found 5/7$278
Sun 6/164:46 pmISP - SJU
1 stop9h 19mFrontier
Wed 6/193:08 amSJU - ISP
1 stop28h 32mFrontier
Deal found 5/8$281
Tue 5/214:49 pmISP - SJU
1 stop9h 20mFrontier
Tue 5/288:32 pmSJU - ISP
1 stop11h 41mFrontier
Deal found 5/7$288
Thu 6/2710:23 pmISP - SJU
1 stop9h 59mFrontier
Tue 7/28:28 pmSJU - ISP
1 stop11h 12mFrontier
Deal found 5/7$294
Tue 5/146:05 pmISP - SJU
1 stop29h 45mFrontier
Fri 5/173:15 amSJU - ISP
1 stop28h 58mFrontier
Deal found 5/8$296

Islip to Luis Munoz Marin Intl 2024 flight deals

Discover exclusive flight deals for travel between Islip and Luis Munoz Marin Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/7$179
Fri 8/165:25 pmISP - SJU
1 stop8h 38mFrontier
Sun 8/188:09 pmSJU - ISP
1 stop12h 17mFrontier
Deal found 5/8$228
Tue 5/146:05 pmISP - SJU
1 stop7h 51mFrontier
Sat 5/188:18 pmSJU - ISP
1 stop11h 55mFrontier
Deal found 5/8$244
Mon 5/138:54 amISP - SJU
1 stop13h 43mFrontier
Fri 5/178:33 pmSJU - ISP
1 stop12h 25mFrontier
Deal found 5/8$248
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/8$253
Thu 8/225:25 pmISP - SJU
1 stop8h 38mFrontier
Mon 8/268:09 pmSJU - ISP
1 stop12h 17mFrontier
Deal found 5/8$264
Sun 5/129:51 pmISP - SJU
1 stop11h 57mFrontier
Sun 5/198:32 pmSJU - ISP
1 stop11h 41mFrontier
Deal found 5/7$278
Sun 6/164:46 pmISP - SJU
1 stop9h 19mFrontier
Wed 6/193:08 amSJU - ISP
1 stop28h 32mFrontier
Deal found 5/8$281
Tue 5/214:49 pmISP - SJU
1 stop9h 20mFrontier
Tue 5/288:32 pmSJU - ISP
1 stop11h 41mFrontier
Deal found 5/7$288

Islip to Luis Munoz Marin Intl flights leaving soon

Find last-minute flight options from Islip to Luis Munoz Marin Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/7$179
Tue 5/146:05 pmISP - SJU
1 stop7h 51mFrontier
Sat 5/188:18 pmSJU - ISP
1 stop11h 55mFrontier
Deal found 5/8$244
Tue 5/149:50 pmISP - SJU
1 stop12h 48mFrontier
Wed 5/158:11 pmSJU - ISP
1 stop12h 02mFrontier
Deal found 5/8$253
Tue 5/146:05 pmISP - SJU
1 stop29h 45mFrontier
Fri 5/173:15 amSJU - ISP
1 stop28h 58mFrontier
Deal found 5/8$296
Sun 5/1910:27 pmISP - SJU
1 stop12h 20mFrontier
Sat 5/2510:18 pmSJU - ISP
1 stop9h 55mFrontier
Deal found 5/8$338

One-way flights to Luis Munoz Marin Intl from Islip

Search for one-way flight options from Islip to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Tue 6/259:53 pmISP - SJU
1 stop10h 29mFrontier
Deal found 5/8$135
Sun 8/410:22 pmISP - SJU
1 stop12h 43mFrontier
Deal found 5/8$159
Sat 6/224:46 pmISP - SJU
1 stop9h 13mFrontier
Deal found 5/8$219
Tue 5/289:42 pmISP - SJU
1 stop13h 05mFrontier
Deal found 5/8$249
Sat 6/294:46 pmISP - SJU
1 stop9h 13mFrontier
Deal found 5/8$289
Fri 11/15:25 pmISP - SJU
1 stop8h 38mFrontier
Deal found 5/8$339
Wed 6/194:46 pmISP - SJU
1 stop9h 13mFrontier
Deal found 5/8$694

Find flights from Islip to Luis Munoz Marin Intl within your budget

Customize your flight search to find flights from Islip 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 2,749,864 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$264 - $604

Route

Depart

Return

Price

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Thu 8/22

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Mon 8/26

1 stop12h 17m

$264

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Sun 6/16

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Wed 6/19

1 stop28h 32m

$281

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Tue 5/21

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Tue 5/28

1 stop11h 41m

$288

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Fri 7/12

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Mon 7/15

1 stop10h 03m

$294

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Thu 6/27

1 stop9h 07m

San Juan Luis Munoz Marin Intl

Mon 7/1

1 stop28h 32m

$298

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Fri 7/12

1 stop23h 50m

San Juan Luis Munoz Marin Intl

Sun 7/14

1 stop29h 18m

$303

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Sun 6/16

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Thu 6/20

1 stop24h 44m

$305

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Tue 5/21

1 stop13h 05m

San Juan Luis Munoz Marin Intl

Sat 7/13

1 stop10h 49m

$328

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Fri 7/12

3 stops27h 25m

San Juan Luis Munoz Marin Intl

Sun 7/14

2 stops14h 37m

$604

Flights are sorted by cheapest first

Deals found on 5/8

When is the cheapest time to fly from Islip, New York to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Islip to Luis Munoz Marin Intl. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Islip, New York to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Luis Munoz Marin Intl by month

Plan your trip from Islip to Luis Munoz Marin Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Islip to Luis Munoz Marin Intl is currently $298 while a round-trip flight costs $329. Price data was last updated on May 5, 2024.

Currently, September is the cheapest month in which you can book a flight from Islip, New York to San Juan Luis Munoz Marin Intl Airport (average of $251). Flying from Islip, New York to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $338). 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.

January

$278

February

$286

March

$338

April

$298

May

$279

June

$316

July

$332

August

$278

September

$251

October

$266

November

$301

December

$301

Temperature and rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

77 - 82.4 °F

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 May 9, 2024.
Frontier
6.3
Okay
4,088 reviews
Check prices

Boarding

6.6

Entertainment

4.9

Food

5.2

Overall

6.3

Comfort

5.8

Crew

7.1

Reviews

1 / 10

Check-in experience left a LOT to be desired. I had tried to check in online but couldn't figure out how to navigate the required steps. So, we got to the airport in plenty of time to check in at the counter. But once there (and my friend and I were the ONLY people at the counter at that time) the counter agents--all four of them--seemed to have difficulty in getting us our boarding passes. AND, they charged us $25 apiece for doing it. We were not at all happy about this.

Frontier
6.3
Okay
4,088 reviews
Frontier
6.3
Okay
4,088 reviews
Check prices

Boarding

6.6

Entertainment

4.9

Food

5.2

Overall

6.3

Comfort

5.8

Crew

7.1

Reviews

1 / 10

Check-in experience left a LOT to be desired. I had tried to check in online but couldn't figure out how to navigate the required steps. So, we got to the airport in plenty of time to check in at the counter. But once there (and my friend and I were the ONLY people at the counter at that time) the counter agents--all four of them--seemed to have difficulty in getting us our boarding passes. AND, they charged us $25 apiece for doing it. We were not at all happy about this.

Related info for your journey

Find useful and relevant information for your journey from Islip 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 Islip to San Juan Luis Munoz Marin Intl?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to San Juan Luis Munoz Marin Intl. 1 airline have flights from Long Island to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from Islip Long Island to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day.

  • Can I find flights from Islip, New York to San Juan Luis Munoz Marin Intl Airport for under $300 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to San Juan Luis Munoz Marin Intl Airport for under $300. The cheapest flight booked recently is on Frontier for just $264, but on average you can expect to pay $366.

  • Are there last-minute flights available from Islip, New York to San Juan Luis Munoz Marin Intl Airport for under $200?

    There are currently 5+ open flights from Islip, New York to San Juan Luis Munoz Marin Intl Airport within the next 7 days for less than $200.

  • What is the cheapest airline to fly from Islip, New York to San Juan Luis Munoz Marin Intl Airport round-trip?

    According to our current data, Frontier ($264), offers the cheapest pricing from Islip, New York to San Juan Luis Munoz Marin Intl Airport. Users have found that Frontier is 25% cheaper than the other options available to this destination.

  • What does ISP to SJU mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Islip Long Island Airport to San Juan Luis Munoz Marin Intl Airport flight would often be abbreviated as a ISP to SJU flight.

  • Can I find deals for flights from Islip to Luis Munoz Marin Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to Luis Munoz Marin Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Islip to Luis Munoz Marin Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to Luis Munoz Marin Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip 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.

  • Can I find deals for flights from Islip to Luis Munoz Marin Intl that allow pets onboard?

    Many airlines flying from Islip to Luis Munoz Marin Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Islip to Luis Munoz Marin Intl?

    Yes, you can often find last-minute deals on Islip to Luis Munoz Marin Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Islip, New York to San Juan Luis Munoz Marin Intl Airport flight deals updated?

    The Islip, New York to San Juan Luis Munoz Marin Intl Airport flight deals you see on this page were last updated on 5/8.

See more FAQs

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Alternative routes for Islip to Luis Munoz Marin Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Islip to Luis Munoz Marin Intl

Discover the top airline that operate flights from Islip 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 2,749,864 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$170Average$268FlexibilityNo cancel feeOn-time62%
Search Frontier flights
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Search flights from Islip to Luis Munoz Marin Intl by cabin class

Find flights from Islip to Luis Munoz Marin Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Weekly flight availability from Islip to Luis Munoz Marin Intl

Explore weekly flight availability from Islip to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 9, 2024.
Sunday1daily flight
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday0daily flights

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Fly with Cheapflights

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How does Cheapflights help users find flights from Islip to Luis Munoz Marin Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Luis Munoz Marin Intl from Islip today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Islip to Luis Munoz Marin Intl?

Cheapflights simply makes it quick and affordable to book flights from Islip to Luis Munoz Marin Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Islip to Luis Munoz Marin Intl with no change fees?

Need flexible booking options for your flight to Luis Munoz Marin Intl from Islip? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Islip to Luis Munoz Marin Intl become cheaper?

Not ready to book yet? You can track prices for flights from Islip to Luis Munoz Marin Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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