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Cheap flights from Islip (ISP) to Puerto Rico from $230

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 6/18. 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
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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How far in advance should I book a flight from Islip, New York to Puerto Rico?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 23% on flights from Islip, New York to Puerto Rico compared to booking the week you need them. Waiting 31 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 $325. For sooner than that we have options available in the next 3 days from $343.

What is the cheapest month to fly from Islip, New York to Puerto Rico?

September can be a great time to fly to Puerto Rico from Islip, New York with a flight ticket averaging about $323. Cheapflights users have found deals in the month of September for as cheap as $85. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from ISP to PR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Puerto Rico as you normally would.

Cheap Islip to Puerto Rico flights in June & July 2024

Find cheap flight options from Islip to Puerto Rico specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Tue 6/189:47 pmISP - SJU
1 stop12h 56mFrontier
Sat 6/225:57 pmSJU - ISP
1 stop13h 43mFrontier
Deal found 6/5$230
Thu 6/2010:23 pmISP - SJU
1 stop9h 59mFrontier
Sun 6/238:28 pmSJU - ISP
1 stop11h 12mFrontier
Deal found 6/5$248
Wed 6/124:46 pmISP - SJU
1 stop9h 13mFrontier
Wed 6/1910:15 pmSJU - ISP
1 stop9h 25mFrontier
Deal found 6/5$258
Mon 6/104:46 pmISP - SJU
1 stop9h 17mFrontier
Thu 6/208:28 pmSJU - ISP
1 stop11h 12mFrontier
Deal found 6/5$264
Mon 6/174:46 pmISP - SJU
1 stop9h 17mFrontier
Sat 6/225:57 pmSJU - ISP
1 stop13h 43mFrontier
Deal found 6/5$274
Thu 6/204:46 pmISP - SJU
1 stop9h 07mFrontier
Sat 6/223:08 amSJU - ISP
1 stop10h 50mFrontier
Deal found 6/5$298
Fri 7/124:52 pmISP - SJU
1 stop9h 11mFrontier
Mon 7/1510:15 pmSJU - ISP
1 stop10h 24mFrontier
Deal found 6/5$303
Fri 6/74:46 pmISP - SJU
1 stop21h 38mFrontier
Mon 6/103:08 amSJU - ISP
1 stop28h 32mFrontier
Deal found 6/5$322
Thu 6/278:19 pmISP - SJU
1 stop13h 10mFrontier
Wed 7/1010:27 pmSJU - ISP
1 stop10h 12mFrontier
Deal found 6/5$324

Islip to Puerto Rico 2024 flight deals

Discover exclusive flight deals for travel between Islip and Puerto Rico in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Tue 6/189:47 pmISP - SJU
1 stop12h 56mFrontier
Sat 6/225:57 pmSJU - ISP
1 stop13h 43mFrontier
Deal found 6/5$230
Thu 6/2010:23 pmISP - SJU
1 stop9h 59mFrontier
Sun 6/238:28 pmSJU - ISP
1 stop11h 12mFrontier
Deal found 6/5$248
Wed 6/124:46 pmISP - SJU
1 stop9h 13mFrontier
Wed 6/1910:15 pmSJU - ISP
1 stop9h 25mFrontier
Deal found 6/5$258
Mon 6/104:46 pmISP - SJU
1 stop9h 17mFrontier
Thu 6/208:28 pmSJU - ISP
1 stop11h 12mFrontier
Deal found 6/5$264
Fri 9/65:25 pmISP - SJU
1 stop8h 38mFrontier
Mon 9/98:09 pmSJU - ISP
1 stop12h 17mFrontier
Deal found 6/5$267
Thu 8/295:25 pmISP - SJU
1 stop8h 38mFrontier
Sun 9/18:09 pmSJU - ISP
1 stop12h 17mFrontier
Deal found 6/5$268
Mon 6/174:46 pmISP - SJU
1 stop9h 17mFrontier
Sat 6/225:57 pmSJU - ISP
1 stop13h 43mFrontier
Deal found 6/5$274
Wed 9/45:25 pmISP - SJU
1 stop8h 38mFrontier
Wed 9/118:09 pmSJU - ISP
1 stop12h 17mFrontier
Deal found 6/5$284
Thu 6/204:46 pmISP - SJU
1 stop9h 07mFrontier
Sat 6/223:08 amSJU - ISP
1 stop10h 50mFrontier
Deal found 6/5$298

Islip to Puerto Rico flights leaving soon

Find last-minute flight options from Islip to Puerto Rico 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 3,050,429 searches. Data last updated June 6, 2024.
Wed 6/124:46 pmISP - SJU
1 stop9h 13mFrontier
Wed 6/1910:15 pmSJU - ISP
1 stop9h 25mFrontier
Deal found 6/5$258
Fri 6/144:46 pmISP - SJU
1 stop9h 13mFrontier
Mon 6/178:05 pmSJU - ISP
1 stop11h 35mFrontier
Deal found 6/5$358
Fri 6/144:46 pmISP - SJU
1 stop9h 13mFrontier
Tue 6/258:28 pmSJU - ISP
1 stop11h 12mFrontier
Deal found 6/5$388
Thu 6/134:46 pmISP - SJU
1 stop9h 07mFrontier
Tue 7/168:32 pmSJU - ISP
1 stop11h 26mFrontier
Deal found 6/4$394
Fri 6/144:46 pmISP - SJU
1 stop9h 13mFrontier
Sat 6/153:08 amSJU - ISP
1 stop10h 50mFrontier
Deal found 6/5$398
Fri 6/144:46 pmISP - SJU
1 stop9h 13mFrontier
Sun 6/168:28 pmSJU - ISP
1 stop11h 12mFrontier
Deal found 6/5$428
Thu 6/134:46 pmISP - SJU
1 stop9h 07mFrontier
Mon 7/153:08 amSJU - ISP
1 stop10h 05mFrontier
Deal found 6/4$548

One-way flights to Puerto Rico from Islip

Search for one-way flight options from Islip to Puerto Rico. 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 3,050,429 searches. Data last updated June 6, 2024.
Thu 6/2010:23 pmISP - SJU
1 stop9h 59mFrontier
Deal found 6/5$284

Find flights from Islip to Puerto Rico within your budget

Customize your flight search to find flights from Islip to Puerto Rico 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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$230 - $513

Route

Depart

Return

Price

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Tue 6/18

1 stop12h 56m

San Juan Luis Munoz Marin Intl

Sat 6/22

1 stop13h 43m

$230

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Thu 6/20

1 stop9h 59m

San Juan Luis Munoz Marin Intl

Sun 6/23

1 stop11h 12m

$248

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Tue 8/6

1 stop10h 43m

San Juan Luis Munoz Marin Intl

Tue 8/13

1 stop12h 17m

$258

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Fri 9/6

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Mon 9/9

1 stop12h 17m

$267

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Thu 8/29

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Sun 9/1

1 stop12h 17m

$268

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Mon 6/17

1 stop9h 17m

San Juan Luis Munoz Marin Intl

Sat 6/22

1 stop13h 43m

$274

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Wed 9/4

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Wed 9/11

1 stop12h 17m

$284

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Fri 7/12

2 stops21h 47m

San Juan Luis Munoz Marin Intl

Sun 7/14

2 stops13h 58m

$503

Islip Long IslandSan Juan Luis Munoz Marin Intl

ISP - SJU

ISPSJU

Islip Long Island

Fri 7/12

3 stops17h 57m

San Juan Luis Munoz Marin Intl

Mon 7/15

2 stops12h 57m

$513

Flights are sorted by cheapest first

Deals found on 6/5

No data available for this route at this time. Please check back soon.

Best time to book a flight from Islip to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Islip 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.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated June 6, 2024.
Frontier
6.2
Okay
3,985 reviews

Boarding

6.5

Food

5.1

Comfort

5.8

Overall

6.2

Entertainment

4.9

Crew

7.0

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Frontier
6.2
Okay
3,985 reviews
Frontier
6.2
Okay
3,985 reviews

Boarding

6.5

Food

5.1

Comfort

5.8

Overall

6.2

Entertainment

4.9

Crew

7.0

Reviews

1 / 10

I'd thought there would be a complimentary drink atleast.

Related info for your journey

Find useful and relevant information for your journey from Islip to Puerto Rico. 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 Puerto Rico?

    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 Puerto Rico.

  • Can I find flights from Islip, New York to Puerto Rico for under $300 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to Puerto Rico for under $300. The cheapest flight booked recently is on Frontier for just $230, but on average you can expect to pay $328.

  • Are there last-minute flights available from Islip, New York to Puerto Rico for under $300?

    There are currently 7+ open flights from Islip, New York to Puerto Rico within the next 7 days for less than $300.

  • What does ISP to SJU mean?

    ISP stands for Islip Long Island Airport, while SJU stands for San Juan Luis Munoz Marin Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Aguadilla Borinquen Airport (BQN), Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Islip to Puerto Rico that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to Puerto Rico 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 Puerto Rico with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to Puerto Rico 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 Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Islip to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Puerto Rico.

  • Can I find deals for business class flights from Islip to Puerto Rico?

    Yes. Cheapflights offers flight deals from Islip to Puerto Rico 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 Puerto Rico that allow pets onboard?

    Many airlines flying from Islip to Puerto Rico 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 Puerto Rico?

    Yes, you can often find last-minute deals on Islip to Puerto Rico 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 Puerto Rico flight deals updated?

    The Islip, New York to Puerto Rico flight deals you see on this page were last updated on 6/5.

  • What is the cheapest month to book a flight from Islip, New York to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Puerto Rico (average of $245). Flying from Islip, New York to Puerto Rico 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.

See more FAQs

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Alternative routes for Islip to Puerto Rico
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 Puerto Rico

Discover the top airline that operate flights from Islip to Puerto Rico. 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$170Average$268FlexibilityNo cancel feeOn-time62%
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Islip, New York to San Juan flights

Search flights from Islip to Puerto Rico by cabin class

Find flights from Islip to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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