$172+ Cheap flights from Islip, NY (ISP) to New Jersey
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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Islip to New Jersey with Cheapflights
1. Tell us where you want to go
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 Islip to New JerseyExplore the most affordable flight options available from Islip to New Jersey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Islip to New Jersey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:00 pm -
1 stop25h 29m
Sat 11/77:25 pm -
1 stop14h 52m
Deal found 9/10![Multiple Airlines logo]()
$244
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.
Wed 11/412:00 pm -
2 stops11h 16m
Thu 11/57:25 pm -
1 stop18h 57m
Deal found 9/14![Multiple Airlines logo]()
$344
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 9/2612:00 pm -
1 stop4h 27m
Wed 9/309:30 am -
1 stop24h 47m
Deal found 9/11![Multiple Airlines logo]()
$372
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 9/2912:00 pm -
1 stop25h 35m
Sat 10/38:00 am -
1 stop26h 17m
Deal found 9/14![Multiple Airlines logo]()
$391
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:33 pm -
1 stop20h 20m
Sat 11/75:15 am -
1 stop12h 16m
Deal found 9/9![Frontier logo]()
$393
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.
Tue 9/1512:00 pm -
1 stop25h 35m
Thu 9/176:39 pm -
1 stop15h 49m
Deal found 9/11![Multiple Airlines logo]()
$408
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:43 pm -
1 stop6h 26m
Wed 9/3010:37 am -
1 stop6h 21m
Deal found 9/9![Frontier logo]()
$444
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:52 am -
1 stop4h 35m
Mon 9/147:19 pm -
1 stop16h 01m
Deal found 9/10![Multiple Airlines logo]()
$446
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.
Sat 10/316:33 pm -
1 stop15h 57m
Fri 11/65:45 pm -
1 stop23h 46m
Deal found 9/14![Frontier logo]()
$473
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am -
1 stop7h 07m
Wed 10/77:30 am -
1 stop8h 06m
Deal found 9/9![JetBlue logo]()
$625
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am -
1 stop7h 59m
Wed 10/73:50 pm -
1 stop7h 32m
Deal found 9/9![JetBlue logo]()
$668
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop15h 28m
Tue 10/2712:29 pm -
1 stop9h 08m
Deal found 9/13![JetBlue logo]()
$721
Best flights from Islip to New JerseyDiscover carefully curated flight deals from Islip to New Jersey that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Islip to New Jersey that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:00 pm -
1 stop25h 29m
Sat 11/77:25 pm -
1 stop14h 52m
Deal found 9/10![Multiple Airlines logo]()
$244
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:33 pm -
1 stop20h 20m
Sat 11/75:15 am -
1 stop12h 16m
Deal found 9/9![Frontier logo]()
$393
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.
Tue 9/2912:55 pm -
2 stops8h 55m
Sat 10/37:55 am -
2 stops8h 15m
Deal found 9/14![Southwest logo]()
$499
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am -
1 stop7h 07m
Wed 10/77:30 am -
1 stop8h 06m
Deal found 9/9![JetBlue logo]()
$625
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 9/2612:00 pm -
1 stop4h 27m
Wed 9/309:30 am -
1 stop24h 47m
Deal found 9/11![Multiple Airlines logo]()
$372
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 9/2912:00 pm -
1 stop25h 35m
Sat 10/38:00 am -
1 stop26h 17m
Deal found 9/14![Multiple Airlines logo]()
$391
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:43 pm -
1 stop6h 26m
Wed 9/3010:37 am -
1 stop6h 21m
Deal found 9/9![Frontier logo]()
$444
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.
Sat 10/316:33 pm -
1 stop15h 57m
Fri 11/65:45 pm -
1 stop23h 46m
Deal found 9/14![Frontier logo]()
$473
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am -
1 stop7h 59m
Wed 10/73:50 pm -
1 stop7h 32m
Deal found 9/9![JetBlue logo]()
$668
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 pm -
1 stop6h 26m
Tue 9/297:15 am -
1 stop9h 43m
Deal found 9/10![Frontier logo]()
$594
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop15h 28m
Tue 10/2712:29 pm -
1 stop9h 08m
Deal found 9/13![JetBlue logo]()
$721
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:25 am -
1 stop10h 04m
Thu 10/2911:29 am -
1 stop10h 08m
Deal found 9/10![Multiple Airlines logo]()
$741
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1410:00 am -
1 stop11h 30m
Mon 1/257:30 am -
1 stop14h 10m
Deal found 9/10![JetBlue logo]()
$749
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:05 am -
1 stop5h 11m
Sat 10/1712:00 pm -
1 stop9h 37m
Deal found 9/12![Multiple Airlines logo]()
$801
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:00 am -
1 stop7h 07m
Fri 10/212:00 pm -
1 stop11h 22m
Deal found 9/13![JetBlue logo]()
$848
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop6h 30m
Sat 10/176:10 am -
2 stops11h 20m
Deal found 9/12![Multiple Airlines logo]()
$911
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
1 stop13h 03m
Thu 10/17:29 am -
1 stop8h 07m
Deal found 9/12![JetBlue logo]()
$923
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:36 pm -
1 stop9h 47m
Fri 11/271:00 pm -
1 stop9h 04m
Deal found 9/10![JetBlue logo]()
$954
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:16 pm -
1 stop4h 33m
Fri 10/211:55 am -
2 stops9h 04m
Deal found 9/13![Multiple Airlines logo]()
$1,386
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:36 pm -
1 stop9h 47m
Sat 11/2811:00 am -
1 stop11h 04m
Deal found 9/9![JetBlue logo]()
$1,320
Last-minute flights from Islip to New JerseyDiscover last-minute flight deals from Islip to New Jersey. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to New Jersey. Data last updated September 14, 2026 and is based on user searches.
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.
Tue 9/1512:00 pm -
1 stop25h 35m
Thu 9/176:39 pm -
1 stop15h 49m
Deal found 9/11![Multiple Airlines logo]()
$408
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 9/2612:00 pm -
1 stop4h 27m
Wed 9/309:30 am -
1 stop24h 47m
Deal found 9/11![Multiple Airlines logo]()
$372
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:43 pm -
1 stop6h 26m
Wed 9/3010:37 am -
1 stop6h 21m
Deal found 9/10![Frontier logo]()
$545
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.
Mon 9/287:00 am -
1 stop13h 03m
Fri 10/212:00 pm -
1 stop11h 22m
Deal found 9/13![JetBlue logo]()
$738
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 9/2912:00 pm -
1 stop25h 35m
Sat 10/38:00 am -
1 stop26h 17m
Deal found 9/14![Multiple Airlines logo]()
$391
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:43 pm -
1 stop6h 26m
Wed 9/3010:37 am -
1 stop6h 21m
Deal found 9/9![Frontier logo]()
$444
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.
Tue 9/2912:55 pm -
2 stops8h 55m
Sat 10/37:55 am -
2 stops8h 15m
Deal found 9/14![Southwest logo]()
$499
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am -
1 stop7h 07m
Wed 10/77:30 am -
1 stop8h 06m
Deal found 9/9![JetBlue logo]()
$625
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am -
1 stop7h 59m
Wed 10/73:50 pm -
1 stop7h 32m
Deal found 9/9![JetBlue logo]()
$668
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop15h 28m
Tue 10/2712:29 pm -
1 stop9h 08m
Deal found 9/13![JetBlue logo]()
$721
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:33 pm -
1 stop20h 20m
Sat 11/75:15 am -
1 stop12h 16m
Deal found 9/9![Frontier logo]()
$393
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.
Sat 10/316:33 pm -
1 stop15h 57m
Fri 11/65:45 pm -
1 stop23h 46m
Deal found 9/14![Frontier logo]()
$473
One-way flights from Islip to New JerseySearch for one-way flight options from Islip to New Jersey. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Islip to New Jersey. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
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.
Fri 10/236:55 pm -
2 stops23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$172
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.
Fri 12/119:56 am -
1 stop11h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$273
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.
Thu 9/245:26 pm -
2 stops31h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$279
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.
Sat 9/2612:00 pm -
2 stops23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$304
This Kissandfly.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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:43 pm -
1 stop15h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$308
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.
Fri 10/233:02 pm -
3 stops27h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$309
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.
Tue 9/225:43 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$328
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 9/275:28 pm -
3 stops42h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$345
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.
Thu 10/15:43 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$347
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:43 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$397
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:00 am -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![JetBlue logo]()
$445
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.
Sun 9/277:00 am -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![JetBlue logo]()
$447
Find flight deals from Islip to New Jersey
Keep the following information in mind while searching for Islip to New Jersey flight deals. Data was last updated September 14, 2026.
Round-trip from | $244 (Kiwi.com) |
|---|---|
One-way from | $172 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to New Jersey 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 14, 2026.
Use the filters below to find and compare flights from Islip to New Jersey that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Tue 11/3
12:00 pm-1:29 pm
1 stop25h 29m
Philadelphia
Sat 11/7
7:25 pm-10:17 am
1 stop14h 52m
$244
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Thu 9/24
5:26 pm-12:30 am
2 stops31h 04m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
IslipNew York
ISP Islip Long Island - JFK New York John F Kennedy Intl
ISPJFK
Islip Long Island
Sat 9/26
12:00 pm-11:50 am
2 stops23h 50m
New York John F Kennedy Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$304
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Thu 9/24
5:43 pm-9:05 am
1 stop15h 22m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$308
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Fri 10/23
3:02 pm-6:15 pm
3 stops27h 13m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$309
IslipNew York
ISP Islip Long Island - JFK New York John F Kennedy Intl
ISPJFK
Islip Long Island
Sun 9/27
5:28 pm-11:50 am
3 stops42h 22m
New York John F Kennedy Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$345
Quickest round-trip
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Thu 10/1
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$347
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sat 9/26
12:00 pm-4:27 pm
1 stop4h 27m
Philadelphia
Wed 9/30
9:30 am-10:17 am
1 stop24h 47m
$372
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Tue 9/29
12:00 pm-1:35 pm
1 stop25h 35m
Philadelphia
Sat 10/3
8:00 am-10:17 am
1 stop26h 17m
$391
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sat 10/31
6:33 pm-2:53 pm
1 stop20h 20m
Philadelphia
Sat 11/7
5:15 am-5:31 pm
1 stop12h 16m
$393
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Islip to New Jersey
Have a flexible travel schedule? Discover the best time to fly to New Jersey from Islip with our price prediction graph.
ISP-PHL
ISP-JFK
ISP-LGA
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 Islip to New Jersey
ISP-USNJ
ISP-PHL
ISP-JFK
ISP-LGA
No data available for this route at this time. Please check back soon.
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