$205+ Cheap flights from New Jersey 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from New Jersey 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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Cheapest flights from New Jersey to IslipExplore the most affordable flight options available from New Jersey to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
Explore the most affordable flight options available from New Jersey to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:30 am -
1 stop24h 47m
Tue 10/2012:00 pm -
1 stop25h 29m
Deal found 9/13![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:30 am -
1 stop25h 50m
Tue 10/2012:00 pm -
1 stop25h 29m
Deal found 9/13![Multiple Airlines logo]()
$316
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:55 am -
1 stop11h 35m
Mon 10/196:55 pm -
1 stop30h 07m
Deal found 9/11![Frontier logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:20 pm -
1 stop16h 00m
Tue 10/2012:00 pm -
2 stops30h 15m
Deal found 9/13![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:30 am -
1 stop25h 50m
Thu 10/15:43 pm -
1 stop17h 57m
Deal found 9/14![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:32 pm -
2 stops17h 48m
Fri 10/25:43 pm -
1 stop17h 57m
Deal found 9/12![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:15 am -
1 stop12h 15m
Sun 10/186:25 pm -
1 stop17h 08m
Deal found 9/14![Frontier logo]()
$426
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
2 stops8h 30m
Tue 10/206:05 am -
2 stops9h 20m
Deal found 9/13![Southwest logo]()
$428
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/25:55 am -
1 stop11h 03m
Tue 10/65:43 pm -
1 stop7h 18m
Deal found 9/14![Frontier logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:55 am -
1 stop11h 35m
Sat 10/1712:00 pm -
2 stops9h 28m
Deal found 9/13![Multiple Airlines logo]()
$447
This Frontier deal was found by Cheapflights users on 9/13. 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.
Sat 10/105:55 am -
1 stop11h 35m
Sat 10/176:25 pm -
1 stop6h 38m
Deal found 9/13![Frontier logo]()
$467
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.
Sat 9/265:55 am -
1 stop11h 03m
Wed 9/305:43 pm -
1 stop7h 18m
Deal found 9/11![Frontier logo]()
$485
Best flights from New Jersey to IslipDiscover carefully curated flight deals from New Jersey to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from New Jersey to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:55 am -
1 stop11h 35m
Mon 10/196:55 pm -
1 stop30h 07m
Deal found 9/11![Frontier logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:20 pm -
1 stop16h 00m
Tue 10/2012:00 pm -
2 stops30h 15m
Deal found 9/13![Multiple Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
2 stops8h 30m
Tue 10/206:05 am -
2 stops9h 20m
Deal found 9/13![Southwest logo]()
$428
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:15 am -
1 stop12h 51m
Sat 1/2311:09 am -
1 stop9h 30m
Deal found 9/15![JetBlue logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:30 am -
1 stop25h 50m
Tue 10/2012:00 pm -
2 stops30h 15m
Deal found 9/13![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:30 am -
1 stop25h 50m
Thu 10/15:43 pm -
1 stop17h 57m
Deal found 9/14![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:15 am -
1 stop12h 15m
Sun 10/186:25 pm -
1 stop17h 08m
Deal found 9/14![Frontier logo]()
$426
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:35 pm -
1 stop8h 40m
Sun 10/185:40 am -
2 stops8h 25m
Deal found 9/14![Southwest logo]()
$438
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/25:55 am -
1 stop11h 03m
Tue 10/65:43 pm -
1 stop7h 18m
Deal found 9/14![Frontier logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
2 stops10h 48m
Sat 10/312:00 pm -
1 stop4h 27m
Deal found 9/14![Multiple Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:20 pm -
2 stops8h 15m
Sat 10/312:20 pm -
2 stops8h 35m
Deal found 9/14![Southwest logo]()
$499
This Frontier deal was found by Cheapflights users on 9/13. 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.
Sat 10/105:55 am -
1 stop11h 35m
Sat 10/176:25 pm -
1 stop6h 38m
Deal found 9/13![Frontier logo]()
$467
This JetBlue deal was found by Cheapflights users on 9/13. 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.
Sat 10/107:00 am -
1 stop14h 37m
Sat 10/173:06 pm -
1 stop6h 24m
Deal found 9/13![JetBlue logo]()
$604
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:00 am -
2 stops8h 25m
Fri 10/23:10 pm -
2 stops8h 40m
Deal found 9/12![Southwest logo]()
$503
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:00 am -
1 stop27h 12m
Thu 10/15:43 pm -
1 stop30h 26m
Deal found 9/11![Multiple Airlines logo]()
$478
This Frontier deal was found by Cheapflights users on 9/15. 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 10/15:15 am -
1 stop11h 43m
Mon 10/55:43 pm -
1 stop6h 26m
Deal found 9/15![Frontier logo]()
$502
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:45 pm -
1 stop7h 37m
Tue 10/67:00 am -
1 stop7h 07m
Deal found 9/11![JetBlue logo]()
$612
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:15 am -
1 stop15h 07m
Thu 10/86:00 am -
1 stop10h 53m
Deal found 9/12![JetBlue logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:55 am -
1 stop11h 03m
Wed 9/235:43 pm -
1 stop7h 18m
Deal found 9/13![Frontier logo]()
$590
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/11![JetBlue logo]()
$702
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 9/2410:29 pm -
2 stops36h 51m
Wed 9/305:43 pm -
1 stop7h 18m
Deal found 9/15![Multiple Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 9/245:55 am -
1 stop11h 03m
Wed 9/305:43 pm -
1 stop7h 18m
Deal found 9/15![Frontier logo]()
$639
This Travelocity deal was found by Cheapflights users on 9/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:29 pm -
2 stops18h 29m
Thu 10/86:25 pm -
1 stop6h 37m
Deal found 9/12![Frontier logo]()
$650
This JetBlue deal was found by Cheapflights users on 9/13. 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.
Sat 10/106:00 am -
1 stop15h 37m
Sat 10/176:00 am -
1 stop15h 28m
Deal found 9/13![JetBlue logo]()
$858
This Travelocity deal was found by Cheapflights users on 9/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:00 pm -
1 stop11h 22m
Thu 10/86:00 am -
1 stop6h 30m
Deal found 9/12![JetBlue logo]()
$874
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:29 pm -
2 stops17h 01m
Sat 10/177:25 am -
2 stops16h 05m
Deal found 9/13![Multiple Airlines logo]()
$959
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/15![JetBlue logo]()
$922
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:29 pm -
2 stops15h 01m
Wed 9/307:31 am -
2 stops15h 59m
Deal found 9/11![Multiple Airlines logo]()
$1,035
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:00 am -
1 stop11h 04m
Fri 11/279:40 am -
1 stop10h 46m
Deal found 9/11![JetBlue logo]()
$998
This JetBlue deal was found by Cheapflights users on 9/13. 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.
Mon 9/287:29 am -
1 stop8h 07m
Tue 9/297:00 am -
1 stop7h 59m
Deal found 9/13![JetBlue logo]()
$1,018
Last-minute flights from New Jersey to IslipDiscover last-minute flight deals from New Jersey to Islip. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from New Jersey to Islip. Data last updated September 16, 2026 and is based on user searches.
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.
Sat 9/265:55 am -
1 stop11h 03m
Wed 9/305:43 pm -
1 stop7h 18m
Deal found 9/11![Frontier logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:32 pm -
2 stops17h 48m
Fri 10/25:43 pm -
1 stop17h 57m
Deal found 9/12![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:30 am -
1 stop25h 50m
Thu 10/15:43 pm -
1 stop17h 57m
Deal found 9/14![Multiple Airlines logo]()
$386
This Frontier deal was found by Cheapflights users on 9/14. 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.
Fri 10/25:55 am -
1 stop11h 03m
Tue 10/65:43 pm -
1 stop7h 18m
Deal found 9/14![Frontier logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:55 am -
1 stop11h 35m
Sat 10/1712:00 pm -
2 stops9h 28m
Deal found 9/13![Multiple Airlines logo]()
$447
This Frontier deal was found by Cheapflights users on 9/13. 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.
Sat 10/105:55 am -
1 stop11h 35m
Sat 10/176:25 pm -
1 stop6h 38m
Deal found 9/13![Frontier logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:20 pm -
1 stop16h 00m
Tue 10/2012:00 pm -
2 stops30h 15m
Deal found 9/13![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:30 am -
1 stop25h 50m
Tue 10/2012:00 pm -
1 stop25h 29m
Deal found 9/13![Multiple Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
2 stops8h 30m
Tue 10/206:05 am -
2 stops9h 20m
Deal found 9/13![Southwest logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:30 am -
1 stop24h 47m
Tue 10/2012:00 pm -
1 stop25h 29m
Deal found 9/13![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:15 am -
1 stop12h 15m
Sun 10/186:25 pm -
1 stop17h 08m
Deal found 9/14![Frontier logo]()
$426
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:55 am -
1 stop11h 35m
Mon 10/196:55 pm -
1 stop30h 07m
Deal found 9/11![Frontier logo]()
$328
One-way flights from New Jersey to IslipSearch for one-way flight options from New Jersey to Islip. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from New Jersey to Islip. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:55 am -
1 stop11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$205
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:29 pm -
2 stops36h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:29 pm -
2 stops36h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$241
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:40 am -
1 stop13h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![JetBlue logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:29 am -
2 stops35h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:59 pm -
2 stops22h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:55 am -
2 stops31h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$286
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:29 am -
1 stop10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![JetBlue logo]()
$298
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop7h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![JetBlue logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:59 pm -
1 stop22h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:29 am -
3 stops28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$323
This Frontier deal was found by Cheapflights users on 9/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:37 am -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$328
Find flight deals from New Jersey to Islip
Keep the following information in mind while searching for New Jersey to Islip flight deals. Data was last updated September 16, 2026.
Round-trip from | $266 (Kiwi.com) |
|---|---|
One-way from | $205 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from New Jersey 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 September 16, 2026.
Use the filters below to find and compare flights from New Jersey to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NewarkIslip
EWR Newark - ISP Islip Long Island
EWRISP
Newark
Thu 10/15
5:55 am-5:30 pm
1 stop11h 35m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$205
NewarkIslip
EWR Newark - ISP Islip Long Island
EWRISP
Newark
Mon 9/28
10:29 pm-11:20 am
2 stops36h 51m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$222
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sun 10/11
7:40 am-9:37 pm
1 stop13h 57m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$243
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 10/15
6:29 am-6:00 pm
2 stops35h 31m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$252
NewarkIslip
EWR Newark - ISP Islip Long Island
EWRISP
Newark
Mon 10/12
5:55 am-12:58 pm
2 stops31h 03m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$286
New YorkIslip
JFK New York John F Kennedy Intl - ISP Islip Long Island
JFKISP
New York John F Kennedy Intl
Sun 10/11
11:29 am-9:37 pm
1 stop10h 08m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$298
NewarkIslip
EWR Newark - ISP Islip Long Island
EWRISP
Newark
Sun 10/11
6:00 am-1:43 pm
1 stop7h 43m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$305
PhiladelphiaIslip
PHL Philadelphia - ISP Islip Long Island
PHLISP
Philadelphia
Wed 9/23
7:59 pm-6:03 pm
1 stop22h 04m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$315
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 10/15
6:29 am-10:33 am
3 stops28h 04m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
PhiladelphiaIslip
PHL Philadelphia - ISP Islip Long Island
PHLISP
Philadelphia
Tue 9/22
10:37 am-4:58 pm
1 stop6h 21m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$328
Showing 1-10 of 51 resultsSorted by cheapest first
Best time to book a flight from New Jersey to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from New Jersey with our price prediction graph.
EWR-ISP
LGA-ISP
JFK-ISP
PHL-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 New Jersey to Islip
USNJ-ISP
EWR-ISP
LGA-ISP
JFK-ISP
PHL-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
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