$161+ Cheap flights from Puerto Rico to Islip, NY (ISP)
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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ISP
Nov 15 — Nov 221
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to Islip with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Puerto Rico to Islip
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Cheapest flights from Puerto Rico to IslipExplore the most affordable flight options available from Puerto Rico to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
Explore the most affordable flight options available from Puerto Rico to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
This Frontier deal was found by Cheapflights users on 10/11. 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.
Thu 10/2210:39 am -
1 stop6h 51m
Sun 10/256:25 pm -
1 stop7h 28m
Deal found 10/11![Frontier logo]()
$458
This Frontier deal was found by Cheapflights users on 10/16. 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.
Thu 10/2210:39 am -
1 stop6h 51m
Sat 10/246:25 pm -
1 stop7h 28m
Deal found 10/16![Frontier logo]()
$477
This JetBlue deal was found by Cheapflights users on 10/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:25 pm -
1 stop7h 12m
Wed 11/186:00 am -
1 stop7h 10m
Deal found 10/13![JetBlue logo]()
$613
This Frontier deal was found by Cheapflights users on 10/13. 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.
Sun 11/1511:57 am -
1 stop6h 34m
Thu 11/196:33 pm -
1 stop7h 14m
Deal found 10/13![Frontier logo]()
$641
This Frontier deal was found by Cheapflights users on 10/14. 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.
Mon 11/233:47 am -
1 stop12h 58m
Sat 11/284:43 pm -
1 stop9h 04m
Deal found 10/14![Frontier logo]()
$653
This Frontier deal was found by Cheapflights users on 10/14. 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.
Mon 11/233:47 am -
1 stop12h 58m
Sun 11/294:40 pm -
1 stop9h 07m
Deal found 10/14![Frontier logo]()
$752
This Frontier deal was found by Cheapflights users on 10/14. 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.
Tue 11/243:47 am -
1 stop12h 58m
Sun 11/294:40 pm -
1 stop9h 07m
Deal found 10/14![Frontier logo]()
$760
This JetBlue deal was found by Cheapflights users on 10/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:25 pm -
1 stop8h 15m
Mon 11/3012:10 pm -
1 stop7h 36m
Deal found 10/11![JetBlue logo]()
$927
This JetBlue deal was found by Cheapflights users on 10/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:01 am -
1 stop8h 15m
Sun 10/252:28 pm -
1 stop8h 47m
Deal found 10/16![JetBlue logo]()
$1,106
Best flights from Puerto Rico to IslipDiscover carefully curated flight deals from Puerto Rico to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
Discover carefully curated flight deals from Puerto Rico to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
This Frontier deal was found by Cheapflights users on 10/11. 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.
Thu 10/2210:39 am -
1 stop6h 51m
Sun 10/256:25 pm -
1 stop7h 28m
Deal found 10/11![Frontier logo]()
$458
This JetBlue deal was found by Cheapflights users on 10/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:25 pm -
1 stop7h 12m
Wed 11/186:00 am -
1 stop7h 10m
Deal found 10/13![JetBlue logo]()
$613
This Frontier deal was found by Cheapflights users on 10/13. 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.
Sun 11/1511:57 am -
1 stop6h 34m
Thu 11/196:33 pm -
1 stop7h 14m
Deal found 10/13![Frontier logo]()
$641
This Frontier deal was found by Cheapflights users on 10/14. 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.
Mon 11/233:47 am -
1 stop12h 58m
Sat 11/284:43 pm -
1 stop9h 04m
Deal found 10/14![Frontier logo]()
$653
This Frontier deal was found by Cheapflights users on 10/14. 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.
Tue 11/243:47 am -
1 stop12h 58m
Sun 11/294:40 pm -
1 stop9h 07m
Deal found 10/14![Frontier logo]()
$760
This JetBlue deal was found by Cheapflights users on 10/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:25 pm -
1 stop8h 15m
Mon 11/3012:10 pm -
1 stop7h 36m
Deal found 10/11![JetBlue logo]()
$927
Last-minute flights from Puerto Rico to IslipDiscover last-minute flight deals from Puerto Rico to Islip. Data last updated October 16, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Islip. Data last updated October 16, 2026 and is based on user searches.
This JetBlue deal was found by Cheapflights users on 10/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:01 am -
1 stop8h 15m
Sun 10/252:28 pm -
1 stop8h 47m
Deal found 10/16![JetBlue logo]()
$1,106
This Frontier deal was found by Cheapflights users on 10/11. 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.
Thu 10/2210:39 am -
1 stop6h 51m
Sun 10/256:25 pm -
1 stop7h 28m
Deal found 10/11![Frontier logo]()
$458
This Frontier deal was found by Cheapflights users on 10/16. 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.
Thu 10/2210:39 am -
1 stop6h 51m
Sat 10/246:25 pm -
1 stop7h 28m
Deal found 10/16![Frontier logo]()
$477
This JetBlue deal was found by Cheapflights users on 10/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:25 pm -
1 stop7h 12m
Wed 11/186:00 am -
1 stop7h 10m
Deal found 10/13![JetBlue logo]()
$613
This Frontier deal was found by Cheapflights users on 10/13. 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.
Sun 11/1511:57 am -
1 stop6h 34m
Thu 11/196:33 pm -
1 stop7h 14m
Deal found 10/13![Frontier logo]()
$641
This Frontier deal was found by Cheapflights users on 10/14. 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.
Mon 11/233:47 am -
1 stop12h 58m
Sat 11/284:43 pm -
1 stop9h 04m
Deal found 10/14![Frontier logo]()
$653
This Frontier deal was found by Cheapflights users on 10/14. 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.
Mon 11/233:47 am -
1 stop12h 58m
Sun 11/294:40 pm -
1 stop9h 07m
Deal found 10/14![Frontier logo]()
$752
This Frontier deal was found by Cheapflights users on 10/14. 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.
Tue 11/243:47 am -
1 stop12h 58m
Sun 11/294:40 pm -
1 stop9h 07m
Deal found 10/14![Frontier logo]()
$760
This JetBlue deal was found by Cheapflights users on 10/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:25 pm -
1 stop8h 15m
Mon 11/3012:10 pm -
1 stop7h 36m
Deal found 10/11![JetBlue logo]()
$927
One-way flights from Puerto Rico to IslipSearch for one-way flight options from Puerto Rico to Islip. Find affordable one-way fares based on user searches. Data last updated October 16, 2026.
Search for one-way flight options from Puerto Rico to Islip. Find affordable one-way fares based on user searches. Data last updated October 16, 2026.
This Frontier deal was found by Cheapflights users on 10/14. 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.
Sat 11/77:23 am -
1 stop11h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 10/13. 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.
Thu 1/2110:53 pm -
1 stop13h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 10/13. 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.
Thu 10/297:23 am -
1 stop10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 10/13. 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.
Sun 1/243:55 am -
1 stop8h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 10/13. 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.
Sun 1/2410:53 pm -
1 stop13h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$238
This Southwest deal was found by Cheapflights users on 10/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:25 pm -
1 stop6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Southwest logo]()
$268
This Frontier deal was found by Cheapflights users on 10/13. 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.
Sun 1/3110:53 pm -
1 stop13h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$269
This JetBlue deal was found by Cheapflights users on 10/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:55 am -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![JetBlue logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Sat 11/217:17 am -
2 stops35h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Wed 12/307:25 am -
2 stops27h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$309
Find flight deals from Puerto Rico to Islip
Keep the following information in mind while searching for Puerto Rico to Islip flight deals. Data was last updated October 16, 2026.
Round-trip from | $613 (JetBlue) |
|---|---|
One-way from | $161 (Frontier) |
Popular in | August |
Cheapest in | February |
Average price | $275 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico 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 7,457,451 searches. Data last updated October 16, 2026.
Use the filters below to find and compare flights from Puerto Rico to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Sat 11/21
6:25 pm-11:45 pm
1 stop6h 20m
Islip Long Island
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$268
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Wed 11/25
11:55 am-9:29 pm
1 stop10h 34m
Islip Long Island
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$296
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Tue 12/29
3:45 am-8:59 am
3 stops54h 14m
Islip Long Island
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$311
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Thu 11/5
8:00 am-1:38 pm
1 stop6h 38m
Islip Long Island
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$328
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Sat 2/13
11:25 pm-8:35 am
1 stop10h 10m
Islip Long Island
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$328
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Tue 3/2
2:59 pm-9:27 pm
1 stop7h 28m
Islip Long Island
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$356
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Wed 12/30
6:35 am-5:20 pm
1 stop11h 45m
Islip Long Island
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$358
San JuanIslip
SJU San Juan Luis Munoz Marin Intl - ISP Islip Long Island
SJUISP
San Juan Luis Munoz Marin Intl
Thu 10/22
10:39 am-5:30 pm
1 stop6h 51m
Islip Long Island
Sun 10/25
6:25 pm-1:53 am
1 stop7h 28m
$458
AguadillaIslip
BQN Aguadilla Borinquen - ISP Islip Long Island
BQNISP
Aguadilla Borinquen
Fri 11/13
3:25 pm-9:37 pm
1 stop7h 12m
Islip Long Island
Wed 11/18
6:00 am-2:10 pm
1 stop7h 10m
$613
AguadillaIslip
BQN Aguadilla Borinquen - ISP Islip Long Island
BQNISP
Aguadilla Borinquen
Sun 11/15
11:57 am-5:31 pm
1 stop6h 34m
Islip Long Island
Thu 11/19
6:33 pm-2:47 am
1 stop7h 14m
$641
Showing 1-10 of 13 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Puerto Rico with our price prediction graph.
SJU-ISP
BQN-ISP
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 Puerto Rico to Islip
PR0-ISP
SJU-ISP
BQN-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
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