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Islip

$127+ Cheap flights from Caribbean to Islip (ISP)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ISP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Caribbean to Islip

Keep the following information in mind while searching for Caribbean to Islip flight deals. Data was last updated September 11, 2025.

Round-trip from

$254
(CheapOair)

One-way from

$127
(CheapOair)

Popular in

August

Cheapest in

February

Average price

$216
From Caribbean to Islip Long Island
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One-way flight from Caribbean to Islip Long Island
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Highest demand for flights based on searches. 10% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 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 Caribbean to Islip

Cheapest flights from Caribbean to Islip
Explore the most affordable flight options available from Caribbean to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:00 amSJU - ISP
1 stop25h 04mFrontier
Fri 9/265:05 pmISP - SJU
1 stop9h 29mFrontier
Deal found 9/11$254
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:00 amSJU - ISP
1 stop25h 04mFrontier
Mon 9/295:05 pmISP - SJU
1 stop9h 29mFrontier
Deal found 9/10$269
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:39 amSJU - ISP
1 stop7h 01mFrontier
Tue 9/3011:25 amISP - SJU
1 stop15h 09mFrontier
Deal found 9/9$284
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/263:39 amSJU - ISP
1 stop7h 16mFrontier
Sat 10/45:05 pmISP - SJU
1 stop6h 54mFrontier
Deal found 9/10$290
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:39 amSJU - ISP
1 stop7h 01mFrontier
Mon 9/295:05 pmISP - SJU
1 stop6h 54mFrontier
Deal found 9/10$295
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:00 amSJU - ISP
1 stop8h 27mFrontier
Sun 9/215:12 pmISP - SJU
1 stop22h 10mFrontier
Deal found 9/10$309
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:39 amSJU - ISP
1 stop7h 01mFrontier
Sun 10/511:25 amISP - SJU
1 stop20h 37mFrontier
Deal found 9/10$324
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/213:39 amSJU - ISP
1 stop7h 01mFrontier
Fri 9/265:05 pmISP - SJU
1 stop6h 54mFrontier
Deal found 9/11$329
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:00 amSJU - ISP
1 stop8h 27mFrontier
Sun 9/2111:25 amISP - SJU
1 stop12h 34mFrontier
Deal found 9/11$334
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:00 amSJU - ISP
1 stop8h 27mFrontier
Mon 9/225:05 pmISP - SJU
1 stop9h 29mFrontier
Deal found 9/10$349
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:16 pmSJU - ISP
1 stop19h 37mFrontier
Sun 10/269:47 pmISP - SJU
1 stop28h 22mFrontier
Deal found 9/10$364
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/193:39 amSJU - ISP
1 stop7h 16mFrontier
Mon 9/225:05 pmISP - SJU
1 stop6h 54mFrontier
Deal found 9/11$369

Cheapflights Fare Finder

 
Customize your flight search to find flights from Caribbean to Islip 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 Caribbean to Islip that are best for you.

Fly from

Caribbean

Fly to

Islip

Route

Depart

Return

Price

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Wed 10/1

3:39 am-10:55 am

1 stop7h 16m

Islip Long Island

Tue 10/7

9:37 pm-2:30 am

1 stop28h 53m

$254

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 9/26

8:00 am-4:27 pm

1 stop8h 27m

Islip Long Island

Wed 10/1

11:35 am-8:02 am

1 stop20h 27m

$254

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Sat 10/11

7:58 pm-8:59 am

1 stop13h 01m

Islip Long Island

Sat 10/18

4:58 pm-2:30 am

1 stop9h 32m

$254

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 9/26

8:00 am-4:27 pm

1 stop8h 27m

Islip Long Island

Mon 9/29

5:05 pm-2:34 am

1 stop9h 29m

$269

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 9/25

8:00 am-9:04 am

1 stop25h 04m

Islip Long Island

Mon 9/29

5:05 pm-2:34 am

1 stop9h 29m

$269

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Fri 10/31

10:39 pm-10:37 am

1 stop11h 58m

Islip Long Island

Fri 11/7

2:47 pm-11:19 am

1 stop19h 32m

$269

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 12/4

3:55 am-8:14 pm

1 stop17h 19m

Islip Long Island

Sun 12/7

9:09 pm-9:55 am

1 stop11h 46m

$284

San JuanIslip

SJU - ISP

SJUISP

San Juan Luis Munoz Marin Intl

Thu 10/16

4:16 pm-9:04 am

1 stop16h 48m

Islip Long Island

Sat 10/18

4:58 pm-2:30 am

1 stop9h 32m

$284

Santo DomingoIslip

SDQ - ISP

SDQISP

Santo Domingo Las Americas

Thu 10/23

7:17 am-3:20 pm

1 stop8h 03m

Islip Long Island

Mon 11/24

7:46 pm-2:57 am

1 stop6h 11m

$448

Santo DomingoIslip

SDQ - ISP

SDQISP

Santo Domingo Las Americas

Thu 10/23

7:17 am-3:20 pm

1 stop8h 03m

Islip Long Island

Sun 11/23

6:26 pm-8:34 am

1 stop13h 08m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 40 results
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Best time to book a flight from Caribbean to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Caribbean 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 Caribbean to Islip

What is the cheapest month to book a flight from Caribbean to Islip?

Currently, January is the cheapest month in which you can book a flight from Caribbean to Islip (average of $108). Flying from Caribbean to Islip in November is currently the most expensive (average of $213). 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 Caribbean to Islip. 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 into for flights to Islip from Caribbean?

    If you book a flight to Islip from Caribbean, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • How long is the flight from Caribbean to Islip?

    Airlines like Frontier and JetBlue fly from Caribbean to Islip in about 7h 16m. The time it takes to get you to your destination can typically vary by up to 47m. Caribbean and Islip are separated by a distance of 1599 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Caribbean to Islip?

    When deciding which route to take from Caribbean to Islip consider San Juan Luis Munoz Marin Intl - Islip Long Island, Santo Domingo Las Americas - Islip Long Island or St. George's Point Saline Intl - Islip Long Island as they are the most popular.

  • Can I find deals for flights from Caribbean to Islip that include hotel bookings?

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

  • How can I find direct flights from Caribbean to Islip?

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

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

    Yes. Cheapflights offers flight deals from Caribbean to Islip 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 Caribbean to Islip?

    Currently, January is the cheapest month in which you can book a flight from Caribbean to Islip (average of $108). Flying from Caribbean to Islip in November is currently the most expensive (average of $213). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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