$257+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Oct 4 — Oct 111
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 4, 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 4, 2026.
This Lucky2Go deal was found by Cheapflights users on 8/31. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:48 pm -
2 stops28h 30m
Tue 9/295:45 pm -
1 stop23h 13m
Deal found 8/31![Frontier logo]()
$292
This Frontier deal was found by Cheapflights users on 9/1. 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 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 9/237:15 am -
1 stop9h 43m
Deal found 9/1![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/2811:52 am -
1 stop25h 43m
Wed 9/307:15 am -
1 stop9h 43m
Deal found 9/4![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/155:43 pm -
1 stop15h 47m
Sat 9/197:15 am -
1 stop9h 43m
Deal found 8/30![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 10/312:00 pm -
1 stop4h 27m
Sun 10/46:00 am -
1 stop12h 03m
Deal found 9/1![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 -
2 stops23h 02m
Sat 9/197:15 am -
1 stop9h 43m
Deal found 8/30![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/175:43 pm -
1 stop15h 22m
Mon 9/215:45 pm -
2 stops19h 13m
Deal found 9/2![Multiple Airlines logo]()
$370
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:43 pm -
1 stop6h 26m
Wed 9/307:15 am -
1 stop9h 43m
Deal found 9/3![Frontier logo]()
$376
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:43 pm -
1 stop6h 26m
Fri 10/95:15 am -
1 stop12h 45m
Deal found 9/2![Frontier logo]()
$396
This FlightHub deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Tue 9/297:00 am -
1 stop14h 28m
Tue 10/67:59 am -
1 stop15h 23m
Deal found 8/30![JetBlue logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Wed 9/210:57 am -
2 stops12h 17m
Sat 9/58:29 pm -
1 stop13h 24m
Deal found 8/31![Frontier logo]()
$563
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop13h 03m
Thu 10/112:00 pm -
1 stop11h 22m
Deal found 8/31![JetBlue logo]()
$584
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 4, 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 4, 2026.
This Lucky2Go deal was found by Cheapflights users on 8/31. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:48 pm -
2 stops28h 30m
Tue 9/295:45 pm -
1 stop23h 13m
Deal found 8/31![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 10/312:00 pm -
1 stop4h 27m
Sun 10/46:00 am -
1 stop12h 03m
Deal found 9/1![Multiple Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/1512:55 pm -
2 stops8h 55m
Sat 9/1912:10 pm -
2 stops8h 40m
Deal found 8/30![Southwest logo]()
$479
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop13h 03m
Thu 10/112:00 pm -
1 stop11h 22m
Deal found 8/31![JetBlue logo]()
$584
This Frontier deal was found by Cheapflights users on 9/1. 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 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 9/237:15 am -
1 stop9h 43m
Deal found 9/1![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/155:43 pm -
1 stop15h 47m
Sat 9/197:15 am -
1 stop9h 43m
Deal found 8/30![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/186:48 pm -
1 stop16h 14m
Tue 9/229:30 am -
1 stop25h 50m
Deal found 9/3![Multiple Airlines logo]()
$400
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:43 pm -
1 stop6h 26m
Wed 9/307:15 am -
1 stop9h 43m
Deal found 9/3![Frontier logo]()
$376
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:43 pm -
1 stop6h 26m
Fri 10/95:15 am -
1 stop12h 45m
Deal found 9/2![Frontier logo]()
$396
This JetBlue deal was found by Cheapflights users on 9/2. 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 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 9/2![JetBlue logo]()
$592
This JetBlue deal was found by Cheapflights users on 9/3. 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 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 9/3![JetBlue logo]()
$607
This Frontier deal was found by Cheapflights users on 9/3. 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 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
Thu 10/810:37 am -
1 stop6h 53m
Deal found 9/3![Frontier logo]()
$481
This Priceline deal was found by Cheapflights users on 8/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop7h 07m
Thu 10/112:00 pm -
1 stop11h 22m
Deal found 8/31![JetBlue logo]()
$629
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:05 am -
1 stop5h 29m
Thu 10/86:30 am -
1 stop7h 00m
Deal found 9/3![Multiple Airlines logo]()
$796
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:26 pm -
1 stop16h 11m
Fri 9/188:15 am -
1 stop15h 07m
Deal found 9/2![JetBlue logo]()
$727
This United deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Tue 9/292:16 pm -
2 stops9h 14m
Tue 10/610:25 am -
2 stops9h 50m
Deal found 8/30![Multiple Airlines logo]()
$805
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am -
1 stop16h 09m
Fri 9/184:00 pm -
1 stop7h 22m
Deal found 9/2![JetBlue logo]()
$741
This Expedia deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/147:00 am -
1 stop7h 07m
Fri 9/1812:00 pm -
1 stop11h 22m
Deal found 8/30![JetBlue logo]()
$763
This Priceline deal was found by Cheapflights users on 8/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am -
1 stop7h 07m
Sat 9/1911:29 am -
1 stop11h 53m
Deal found 8/31![JetBlue logo]()
$763
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 am -
1 stop7h 07m
Tue 9/2211:29 am -
1 stop11h 53m
Deal found 9/3![JetBlue logo]()
$763
This Priceline deal was found by Cheapflights users on 9/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am -
1 stop7h 07m
Sat 9/1911:29 am -
1 stop11h 53m
Deal found 9/2![JetBlue logo]()
$763
This Expedia deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/147:00 am -
1 stop13h 03m
Fri 9/187:29 am -
1 stop8h 07m
Deal found 8/30![JetBlue logo]()
$783
This Expedia deal was found by Cheapflights users on 9/3. 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.
Fri 9/187:00 am -
1 stop13h 03m
Tue 9/227:29 am -
1 stop8h 07m
Deal found 9/3![JetBlue logo]()
$853
This KAYAK deal was found by Cheapflights users on 8/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 am -
1 stop7h 42m
Fri 10/912:00 pm -
1 stop9h 37m
Deal found 8/31![JetBlue logo]()
$864
Last-minute flights from Islip to New JerseyDiscover last-minute flight deals from Islip to New Jersey. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to New Jersey. Data last updated September 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 9/155:43 pm -
1 stop15h 47m
Sat 9/197:15 am -
1 stop9h 43m
Deal found 8/30![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 -
2 stops23h 02m
Sat 9/197:15 am -
1 stop9h 43m
Deal found 8/30![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/175:43 pm -
1 stop15h 22m
Mon 9/215:45 pm -
2 stops19h 13m
Deal found 9/2![Multiple Airlines logo]()
$370
This Lucky2Go deal was found by Cheapflights users on 8/31. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:48 pm -
2 stops28h 30m
Tue 9/295:45 pm -
1 stop23h 13m
Deal found 8/31![Frontier logo]()
$292
This Frontier deal was found by Cheapflights users on 9/1. 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 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 9/237:15 am -
1 stop9h 43m
Deal found 9/1![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 9/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:43 pm -
1 stop6h 26m
Wed 9/307:15 am -
1 stop9h 43m
Deal found 9/3![Frontier logo]()
$376
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
1 stop13h 03m
Thu 10/112:00 pm -
1 stop11h 22m
Deal found 8/31![JetBlue logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/2811:52 am -
1 stop25h 43m
Wed 9/307:15 am -
1 stop9h 43m
Deal found 9/4![Multiple Airlines logo]()
$327
This FlightHub deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Tue 9/297:00 am -
1 stop14h 28m
Tue 10/67:59 am -
1 stop15h 23m
Deal found 8/30![JetBlue logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 10/312:00 pm -
1 stop4h 27m
Sun 10/46:00 am -
1 stop12h 03m
Deal found 9/1![Multiple Airlines logo]()
$338
This JetBlue deal was found by Cheapflights users on 9/1. 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 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 9/1![JetBlue logo]()
$592
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:43 pm -
1 stop6h 26m
Fri 10/95:15 am -
1 stop12h 45m
Deal found 9/2![Frontier logo]()
$396
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 4, 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 4, 2026.
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:43 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/135:43 pm -
2 stops22h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/137:31 pm -
3 stops44h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$344
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:43 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$396
This Expedia deal was found by Cheapflights users on 9/3. 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.
Sun 9/137:00 am -
1 stop13h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![JetBlue logo]()
$488
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 4, 2026.
Round-trip from | $292 (Lucky2Go) |
|---|---|
One-way from | $257 (Frontier) |
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 4, 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
Quickest round-trip
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Wed 9/16
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$257
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Mon 9/21
6:48 pm-11:18 pm
2 stops28h 30m
Philadelphia
Tue 9/29
5:45 pm-4:58 pm
1 stop23h 13m
$292
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Tue 9/22
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 9/23
7:15 am-4:58 pm
1 stop9h 43m
$304
IslipNew York
ISP Islip Long Island - LGA New York LaGuardia
ISPLGA
Islip Long Island
Sun 9/13
5:43 pm-4:00 pm
2 stops22h 17m
New York LaGuardia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$329
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Tue 9/15
5:43 pm-9:30 am
1 stop15h 47m
Philadelphia
Sat 9/19
7:15 am-4:58 pm
1 stop9h 43m
$335
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sat 10/3
12:00 pm-4:27 pm
1 stop4h 27m
Philadelphia
Sun 10/4
6:00 am-6:03 pm
1 stop12h 03m
$338
IslipNew York
ISP Islip Long Island - LGA New York LaGuardia
ISPLGA
Islip Long Island
Sun 9/13
7:31 pm-4:00 pm
3 stops44h 29m
New York LaGuardia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$344
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Thu 9/24
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 9/30
7:15 am-4:58 pm
1 stop9h 43m
$376
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sun 9/13
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$396
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Mon 10/5
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Fri 10/9
5:15 am-6:00 pm
1 stop12h 45m
$396
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Best time to book a flight from Islip to New Jersey
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ISP-PHL
ISP-LGA
ISP-JFK
Estimated round-trip price
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Cheapflights Insights
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ISP-USNJ
ISP-PHL
ISP-LGA
ISP-JFK
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