$129+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Islip to New Jersey
Cheapest
Best
Last-minute
One-way
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 17, 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 17, 2026.
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.
Wed 11/1112:00 pm -
2 stops11h 16m
Fri 11/137:42 am -
1 stop6h 40m
Deal found 9/15![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
2 stops19h 21m
Fri 11/137:42 am -
1 stop6h 40m
Deal found 9/16![Multiple Airlines logo]()
$278
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 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.
Sat 10/106:25 pm -
1 stop19h 24m
Sat 10/175:15 am -
1 stop12h 15m
Deal found 9/15![Frontier logo]()
$365
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.
Mon 11/304:40 pm -
1 stop18h 21m
Sat 12/56:48 pm -
2 stops15h 29m
Deal found 9/15![Multiple Airlines logo]()
$388
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 Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:54 pm -
2 stops21h 07m
Sun 11/18:59 pm -
2 stops20h 57m
Deal found 9/17![Frontier logo]()
$398
This Southwest deal was found by Cheapflights users on 9/17. 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 11/306:00 pm -
1 stop6h 20m
Sat 12/51:05 pm -
2 stops8h 40m
Deal found 9/17![Southwest logo]()
$407
This JetBlue deal was found by Cheapflights users on 9/16. 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.
Tue 10/206:00 am -
1 stop10h 02m
Wed 10/217:30 am -
1 stop6h 46m
Deal found 9/16![JetBlue logo]()
$522
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:43 pm -
2 stops24h 15m
Tue 10/64:55 pm -
2 stops24h 03m
Deal found 9/17![Frontier logo]()
$524
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop17h 14m
Tue 10/278:40 pm -
1 stop16h 57m
Deal found 9/16![JetBlue logo]()
$588
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:06 pm -
1 stop6h 24m
Fri 10/2311:29 am -
1 stop10h 08m
Deal found 9/14![JetBlue logo]()
$612
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 17, 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 17, 2026.
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.
Wed 11/1112:00 pm -
2 stops11h 16m
Fri 11/137:42 am -
1 stop6h 40m
Deal found 9/15![Multiple Airlines logo]()
$273
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.
Sat 10/106:25 pm -
1 stop29h 18m
Sat 10/175:15 am -
1 stop12h 15m
Deal found 9/15![Frontier logo]()
$365
This Southwest deal was found by Cheapflights users on 9/17. 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 11/306:00 pm -
1 stop6h 20m
Sat 12/51:05 pm -
2 stops8h 40m
Deal found 9/17![Southwest logo]()
$407
This JetBlue deal was found by Cheapflights users on 9/16. 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.
Tue 10/206:00 am -
1 stop10h 02m
Wed 10/217:30 am -
1 stop6h 46m
Deal found 9/16![JetBlue logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm -
1 stop25h 29m
Fri 11/1310:37 am -
1 stop7h 19m
Deal found 9/16![Multiple Airlines logo]()
$362
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.
Mon 11/304:40 pm -
1 stop18h 21m
Sat 12/56:48 pm -
2 stops15h 29m
Deal found 9/15![Multiple Airlines logo]()
$388
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 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 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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:55 pm -
2 stops8h 55m
Thu 10/13:20 pm -
2 stops8h 15m
Deal found 9/15![Southwest logo]()
$503
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:06 pm -
1 stop6h 24m
Fri 10/2311:29 am -
1 stop10h 08m
Deal found 9/14![JetBlue logo]()
$612
This JetBlue 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 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 9/12![JetBlue logo]()
$645
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
1 stop8h 59m
Wed 10/2112:00 pm -
1 stop9h 37m
Deal found 9/15![JetBlue logo]()
$647
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:43 pm -
2 stops24h 15m
Mon 10/54:55 pm -
2 stops24h 03m
Deal found 9/16![Frontier logo]()
$719
This Expedia deal was found by Cheapflights users on 9/17. 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.
Fri 10/27:00 am -
1 stop13h 03m
Tue 10/612:00 pm -
1 stop11h 22m
Deal found 9/17![JetBlue logo]()
$712
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Wed 10/74:26 pm -
1 stop16h 23m
Sun 10/111:00 pm -
1 stop5h 35m
Deal found 9/17![Multiple Airlines logo]()
$785
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 JetBlue 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 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 9/12![JetBlue logo]()
$722
This Expedia deal was found by Cheapflights users on 9/17. 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.
Tue 10/67:31 am -
1 stop9h 58m
Sun 10/119:35 am -
1 stop9h 00m
Deal found 9/17![Multiple Airlines logo]()
$856
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:06 pm -
1 stop6h 53m
Mon 10/197:40 am -
1 stop13h 57m
Deal found 9/14![JetBlue logo]()
$724
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am -
1 stop7h 07m
Fri 10/212:00 pm -
1 stop11h 22m
Deal found 9/15![JetBlue logo]()
$753
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:03 pm -
3 stops23h 41m
Mon 10/54:55 pm -
3 stops24h 03m
Deal found 9/16![Multiple Airlines logo]()
$920
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop10h 02m
Tue 10/2011:29 am -
1 stop10h 08m
Deal found 9/15![JetBlue logo]()
$798
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop15h 28m
Fri 10/2312:00 pm -
1 stop9h 37m
Deal found 9/14![JetBlue logo]()
$827
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 am -
1 stop7h 07m
Mon 10/512:00 pm -
1 stop11h 22m
Deal found 9/16![JetBlue logo]()
$848
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
Last-minute flights from Islip to New JerseyDiscover last-minute flight deals from Islip to New Jersey. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to New Jersey. Data last updated September 17, 2026 and is based on user searches.
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 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 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.
Tue 9/295:43 pm -
1 stop6h 26m
Wed 9/3010:37 am -
1 stop6h 21m
Deal found 9/15![Frontier logo]()
$505
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.
Wed 9/305:43 pm -
1 stop15h 22m
Thu 10/17:19 pm -
1 stop19h 03m
Deal found 9/15![Multiple Airlines logo]()
$497
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:55 pm -
2 stops8h 55m
Thu 10/13:20 pm -
2 stops8h 15m
Deal found 9/15![Southwest logo]()
$503
This Frontier deal was found by Cheapflights users on 9/16. 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.
Fri 10/25:43 pm -
1 stop28h 14m
Tue 10/67:15 am -
1 stop9h 43m
Deal found 9/16![Frontier logo]()
$475
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:43 pm -
2 stops24h 15m
Tue 10/64:55 pm -
2 stops24h 03m
Deal found 9/17![Frontier logo]()
$524
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.
Sat 10/106:25 pm -
1 stop19h 24m
Sat 10/175:15 am -
1 stop12h 15m
Deal found 9/15![Frontier logo]()
$365
This JetBlue deal was found by Cheapflights users on 9/16. 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.
Tue 10/206:00 am -
1 stop10h 02m
Wed 10/217:30 am -
1 stop6h 46m
Deal found 9/16![JetBlue logo]()
$522
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop17h 14m
Tue 10/278:40 pm -
1 stop16h 57m
Deal found 9/16![JetBlue logo]()
$588
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:54 pm -
2 stops21h 07m
Sun 11/18:59 pm -
2 stops20h 57m
Deal found 9/17![Frontier logo]()
$398
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 17, 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 17, 2026.
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.
Wed 10/1412:00 pm -
2 stops30h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$129
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 9/15. 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.
Fri 12/119:56 am -
1 stop11h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/45:43 pm -
3 stops46h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$261
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 Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:43 pm -
2 stops24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$288
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.
Tue 10/1312:00 pm -
2 stops28h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$289
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 Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:43 pm -
2 stops24h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:00 pm -
3 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/410:57 am -
2 stops24h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$362
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 17, 2026.
Round-trip from | $273 (Kiwi.com) |
|---|---|
One-way from | $129 (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 17, 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
Wed 10/14
12:00 pm-6:15 pm
2 stops30h 15m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Fri 12/11
9:56 am-9:00 pm
1 stop11h 04m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$248
IslipNew York
ISP Islip Long Island - LGA New York LaGuardia
ISPLGA
Islip Long Island
Sun 10/4
5:43 pm-4:00 pm
3 stops46h 17m
New York LaGuardia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$261
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Wed 11/11
12:00 pm-11:16 pm
2 stops11h 16m
Philadelphia
Fri 11/13
7:42 am-2:22 pm
1 stop6h 40m
$273
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 - LGA New York LaGuardia
ISPLGA
Islip Long Island
Sun 10/4
5:43 pm-5:58 pm
2 stops24h 15m
New York LaGuardia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$288
IslipNew York
ISP Islip Long Island - LGA New York LaGuardia
ISPLGA
Islip Long Island
Tue 10/13
12:00 pm-4:14 pm
2 stops28h 14m
New York LaGuardia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$289
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
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sat 9/26
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$319
Showing 1-10 of 45 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.
Related info for your journey
Find useful and relevant information for your journey from Islip to New Jersey. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations