$127+ Cheap flights from New Jersey to Islip, NY (ISP)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Find cheap flights from New Jersey to Islip 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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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 New Jersey to Islip
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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 August 5, 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 August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/19:16 pm -
1 stop12h 37m
Mon 9/710:57 am -
2 stops25h 29m
Deal found 8/3![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/17:25 am -
1 stop9h 22m
Mon 9/77:09 pm -
1 stop13h 42m
Deal found 8/4![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/166:00 am -
1 stop8h 22m
Sat 10/174:13 pm -
1 stop8h 07m
Deal found 8/4![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/24:45 pm -
2 stops26h 24m
Wed 9/95:43 pm -
1 stop15h 22m
Deal found 8/4![Multiple Airlines logo]()
$331
This JetBlue deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:38 pm -
1 stop7h 44m
Mon 10/54:26 pm -
1 stop7h 20m
Deal found 7/31![JetBlue logo]()
$343
This JetBlue deal was found by Cheapflights users on 7/31. 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 9/194:30 pm -
1 stop6h 52m
Wed 9/237:00 am -
1 stop7h 07m
Deal found 7/31![JetBlue logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/25:16 pm -
1 stop24h 58m
Wed 9/95:43 pm -
1 stop15h 22m
Deal found 8/4![Frontier logo]()
$347
This JetBlue deal was found by Cheapflights users on 8/4. 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 9/253:38 pm -
1 stop7h 44m
Mon 9/284:26 pm -
1 stop7h 20m
Deal found 8/4![JetBlue logo]()
$353
This JetBlue deal was found by Cheapflights users on 8/4. 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 9/253:45 pm -
1 stop7h 37m
Mon 9/287:00 am -
1 stop7h 07m
Deal found 8/4![JetBlue logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/135:55 am -
1 stop11h 03m
Fri 9/1811:52 am -
2 stops33h 32m
Deal found 8/3![Multiple Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 10/163:20 pm -
2 stops8h 15m
Sat 10/1712:20 pm -
2 stops7h 40m
Deal found 8/4![Southwest logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/1712:40 pm -
2 stops28h 18m
Thu 9/246:48 pm -
1 stop24h 37m
Deal found 8/4![Frontier logo]()
$375
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 August 5, 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 August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/19:16 pm -
1 stop12h 37m
Mon 9/710:57 am -
2 stops25h 29m
Deal found 8/3![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/166:00 am -
1 stop8h 22m
Sat 10/174:13 pm -
2 stops18h 05m
Deal found 8/4![Multiple Airlines logo]()
$340
This JetBlue deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:38 pm -
1 stop7h 44m
Mon 10/54:26 pm -
1 stop7h 20m
Deal found 7/31![JetBlue logo]()
$343
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 10/163:20 pm -
2 stops8h 15m
Sat 10/1712:20 pm -
2 stops7h 40m
Deal found 8/4![Southwest logo]()
$367
This JetBlue deal was found by Cheapflights users on 7/31. 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 9/194:30 pm -
1 stop6h 52m
Wed 9/237:00 am -
1 stop7h 07m
Deal found 7/31![JetBlue logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/135:55 am -
1 stop11h 03m
Fri 9/1811:52 am -
2 stops33h 32m
Deal found 8/3![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/173:30 pm -
1 stop25h 28m
Thu 9/246:48 pm -
1 stop24h 37m
Deal found 8/4![Frontier logo]()
$378
This Southwest deal was found by Cheapflights users on 8/4. 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 9/172:05 pm -
2 stops8h 05m
Thu 9/2412:35 pm -
2 stops9h 10m
Deal found 8/4![Southwest logo]()
$387
This Priceline deal was found by Cheapflights users on 8/4. 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.
Fri 9/253:38 pm -
1 stop7h 44m
Mon 9/284:26 pm -
1 stop7h 20m
Deal found 8/4![JetBlue logo]()
$353
This Expedia deal was found by Cheapflights users on 8/3. 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 9/174:30 pm -
1 stop6h 52m
Sun 9/207:00 am -
1 stop7h 07m
Deal found 8/3![JetBlue logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/210:29 pm -
2 stops20h 40m
Wed 9/95:43 pm -
1 stop7h 18m
Deal found 8/5![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/95:55 am -
1 stop11h 03m
Sun 9/275:43 pm -
1 stop7h 18m
Deal found 8/4![Frontier logo]()
$399
This Expedia deal was found by Cheapflights users on 8/5. 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.
Wed 9/211:30 am -
1 stop10h 14m
Wed 9/97:00 am -
1 stop7h 07m
Deal found 8/5![JetBlue logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/218:35 am -
1 stop10h 26m
Mon 8/248:43 pm -
2 stops28h 33m
Deal found 8/1![Multiple Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 8/1. 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.
Fri 8/212:05 pm -
2 stops8h 00m
Mon 8/2412:35 pm -
2 stops9h 05m
Deal found 8/1![Southwest logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/18:29 pm -
1 stop13h 24m
Tue 9/810:57 am -
2 stops12h 17m
Deal found 8/4![Frontier logo]()
$417
This JetBlue deal was found by Cheapflights users on 8/4. 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 10/3111:29 am -
1 stop10h 08m
Mon 11/21:55 pm -
1 stop7h 48m
Deal found 8/4![JetBlue logo]()
$378
This Southwest deal was found by Cheapflights users on 8/1. 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 8/178:00 am -
2 stops8h 25m
Wed 8/196:05 am -
2 stops8h 00m
Deal found 8/1![Southwest logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/1611:03 am -
1 stop26h 25m
Thu 8/207:09 pm -
1 stop14h 26m
Deal found 8/1![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/58:29 pm -
1 stop13h 24m
Mon 9/710:57 am -
2 stops10h 02m
Deal found 8/3![Frontier logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/2510:29 pm -
2 stops18h 29m
Mon 9/285:43 pm -
1 stop7h 18m
Deal found 8/4![Frontier logo]()
$464
This JetBlue deal was found by Cheapflights users on 8/4. 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 10/2712:30 pm -
1 stop9h 07m
Sat 10/316:00 am -
1 stop9h 04m
Deal found 8/4![JetBlue logo]()
$423
This Orbitz deal was found by Cheapflights users on 8/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:30 pm -
2 stops15h 23m
Mon 11/26:00 am -
1 stop7h 21m
Deal found 8/4![JetBlue logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/281:35 pm -
2 stops20h 18m
Fri 9/47:09 pm -
1 stop15h 21m
Deal found 7/31![Frontier logo]()
$502
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sun 8/167:20 am -
2 stops8h 35m
Thu 8/206:10 am -
2 stops9h 15m
Deal found 8/1![Southwest logo]()
$640
This JetBlue deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:29 am -
1 stop10h 08m
Mon 11/26:00 am -
1 stop7h 21m
Deal found 8/4![JetBlue logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/98:29 pm -
1 stop13h 24m
Fri 8/142:28 pm -
2 stops32h 15m
Deal found 8/1![Multiple Airlines logo]()
$710
This Justfly.com deal was found by Cheapflights users on 8/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:55 pm -
1 stop8h 49m
Mon 9/74:17 pm -
1 stop16h 32m
Deal found 8/3![JetBlue logo]()
$545
This JetBlue deal was found by Cheapflights users on 8/4. 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 9/111:30 am -
1 stop10h 19m
Tue 9/87:00 am -
1 stop10h 00m
Deal found 8/4![JetBlue logo]()
$547
This United deal was found by Cheapflights users on 8/3. 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 9/56:03 pm -
1 stop16h 27m
Mon 9/72:16 pm -
1 stop17h 08m
Deal found 8/3![Multiple Airlines logo]()
$838
Last-minute flights from New Jersey to IslipDiscover last-minute flight deals from New Jersey to Islip. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from New Jersey to Islip. Data last updated August 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/19:16 pm -
1 stop12h 37m
Mon 9/710:57 am -
2 stops25h 29m
Deal found 8/3![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/17:25 am -
1 stop9h 22m
Mon 9/77:09 pm -
1 stop13h 42m
Deal found 8/4![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/24:45 pm -
2 stops26h 24m
Wed 9/95:43 pm -
1 stop15h 22m
Deal found 8/4![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/25:16 pm -
1 stop24h 58m
Wed 9/95:43 pm -
1 stop15h 22m
Deal found 8/4![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/210:29 pm -
2 stops20h 40m
Wed 9/95:43 pm -
1 stop7h 18m
Deal found 8/5![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/95:55 am -
1 stop11h 03m
Sun 9/275:43 pm -
1 stop7h 18m
Deal found 8/4![Frontier logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/135:55 am -
1 stop11h 03m
Fri 9/1811:52 am -
2 stops33h 32m
Deal found 8/3![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/1712:40 pm -
2 stops28h 18m
Thu 9/246:48 pm -
1 stop24h 37m
Deal found 8/4![Frontier logo]()
$375
This Southwest deal was found by Cheapflights users on 8/4. 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 9/172:05 pm -
2 stops8h 05m
Thu 9/2412:35 pm -
2 stops9h 10m
Deal found 8/4![Southwest logo]()
$387
This JetBlue deal was found by Cheapflights users on 7/31. 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 9/194:30 pm -
1 stop6h 52m
Wed 9/237:00 am -
1 stop7h 07m
Deal found 7/31![JetBlue logo]()
$343
This JetBlue deal was found by Cheapflights users on 8/4. 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 9/253:38 pm -
1 stop7h 44m
Mon 9/284:26 pm -
1 stop7h 20m
Deal found 8/4![JetBlue logo]()
$353
This JetBlue deal was found by Cheapflights users on 8/4. 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 9/253:45 pm -
1 stop7h 37m
Mon 9/287:00 am -
1 stop7h 07m
Deal found 8/4![JetBlue logo]()
$353
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 August 5, 2026.
Search for one-way flight options from New Jersey to Islip. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/117:15 am -
1 stop9h 43m
Deal found 8/3![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/97:20 pm -
1 stop16h 00m
Deal found 8/2![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/95:38 pm -
2 stops21h 25m
Deal found 8/2![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/37:20 am -
1 stop10h 54m
Deal found 8/2![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/216:15 am -
2 stops29h 05m
Deal found 8/4![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/36:30 am -
2 stops12h 39m
Deal found 8/1![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/211:00 pm -
2 stops22h 20m
Deal found 8/4![Multiple Airlines logo]()
$172
This Priceline deal was found by Cheapflights users on 8/4. 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 9/213:38 pm -
1 stop7h 44m
Deal found 8/4![JetBlue logo]()
$177
This Priceline deal was found by Cheapflights users on 8/4. 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 9/214:29 pm -
1 stop6h 53m
Deal found 8/4![JetBlue logo]()
$177
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 10/92:35 pm -
1 stop8h 35m
Deal found 8/4![Southwest logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/215:55 am -
2 stops31h 03m
Deal found 8/4![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 8/265:55 am -
2 stops27h 58m
Deal found 8/3![Frontier logo]()
$209
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 August 5, 2026.
Round-trip from | $271 (Kiwi.com) |
|---|---|
One-way from | $127 (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 2,558,603 searches. Data last updated August 5, 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
PhiladelphiaIslip
PHL Philadelphia - ISP Islip Long Island
PHLISP
Philadelphia
Tue 9/1
9:16 pm-9:53 am
1 stop12h 37m
Islip Long Island
Mon 9/7
10:57 am-12:26 pm
2 stops25h 29m
$271
PhiladelphiaIslip
PHL Philadelphia - ISP Islip Long Island
PHLISP
Philadelphia
Fri 10/16
6:00 am-2:22 pm
1 stop8h 22m
Islip Long Island
Sat 10/17
4:13 pm-10:18 am
2 stops18h 05m
$340
NewarkIslip
EWR Newark - ISP Islip Long Island
EWRISP
Newark
Thu 10/1
3:38 pm-11:22 pm
1 stop7h 44m
Islip Long Island
Mon 10/5
4:26 pm-11:46 pm
1 stop7h 20m
$343
Quickest round-trip
New YorkIslip
JFK New York John F Kennedy Intl - ISP Islip Long Island
JFKISP
New York John F Kennedy Intl
Sat 9/19
4:30 pm-11:22 pm
1 stop6h 52m
Islip Long Island
Wed 9/23
7:00 am-2:07 pm
1 stop7h 07m
$343
NewarkIslip
EWR Newark - ISP Islip Long Island
EWRISP
Newark
Fri 9/25
3:38 pm-11:22 pm
1 stop7h 44m
Islip Long Island
Mon 9/28
4:26 pm-11:46 pm
1 stop7h 20m
$353
New YorkIslip
JFK New York John F Kennedy Intl - ISP Islip Long Island
JFKISP
New York John F Kennedy Intl
Thu 9/17
4:30 pm-11:22 pm
1 stop6h 52m
Islip Long Island
Sun 9/20
7:00 am-2:07 pm
1 stop7h 07m
$353
New YorkIslip
JFK New York John F Kennedy Intl - ISP Islip Long Island
JFKISP
New York John F Kennedy Intl
Wed 9/2
11:30 am-9:44 pm
1 stop10h 14m
Islip Long Island
Wed 9/9
7:00 am-2:07 pm
1 stop7h 07m
$353
NewarkIslip
EWR Newark - ISP Islip Long Island
EWRISP
Newark
Sun 9/13
5:55 am-4:58 pm
1 stop11h 03m
Islip Long Island
Fri 9/18
11:52 am-9:24 pm
2 stops33h 32m
$357
PhiladelphiaIslip
PHL Philadelphia - ISP Islip Long Island
PHLISP
Philadelphia
Fri 10/16
3:20 pm-11:35 pm
2 stops8h 15m
Islip Long Island
Sat 10/17
12:20 pm-8:00 pm
2 stops7h 40m
$367
PhiladelphiaIslip
PHL Philadelphia - ISP Islip Long Island
PHLISP
Philadelphia
Thu 9/17
3:30 pm-4:58 pm
1 stop25h 28m
Islip Long Island
Thu 9/24
6:48 pm-7:25 pm
1 stop24h 37m
$378
Showing 1-10 of 60 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.
PHL-ISP
EWR-ISP
LGA-ISP
JFK-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
PHL-ISP
EWR-ISP
LGA-ISP
JFK-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
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