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Islip

$86+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap flight deals from New Jersey to Islip

Cheapest flights from New Jersey to Islip
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 December 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/910:00 pmPHL - ISP
1 stop24h 44mFrontier
Tue 12/168:29 pmISP - PHL
2 stops17h 52mFrontier
Deal found 12/8$254
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/175:59 amEWR - ISP
2 stops16h 45mMultiple Airlines
Thu 12/1812:20 pmISP - EWR
1 stop12h 09mMultiple Airlines
Deal found 12/8$305
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/106:59 amJFK - ISP
1 stop15h 45mFrontier
Fri 12/128:29 pmISP - JFK
1 stop13h 31mFrontier
Deal found 12/8$371
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/102:02 pmEWR - ISP
1 stop8h 42mMultiple Airlines
Fri 12/128:47 pmISP - EWR
1 stop17h 08mMultiple Airlines
Deal found 12/8$388
This Kiwi.com deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” 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 12/104:30 pmLGA - ISP
1 stop16h 43mFrontier
Fri 12/128:29 pmISP - LGA
1 stop19h 00mFrontier
Deal found 12/8$394
This Kiwi.com deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” 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 12/1911:05 amEWR - ISP
1 stop9h 02mMultiple Airlines
Sun 12/212:19 pmISP - EWR
2 stops17h 41mMultiple Airlines
Deal found 12/6$418
This Kiwi.com deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” 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 12/191:24 pmJFK - ISP
1 stop10h 35mFrontier
Sun 12/218:35 pmISP - JFK
1 stop13h 25mFrontier
Deal found 12/6$446
This Trip.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:00 pmPHL - ISP
1 stop21h 34mFrontier
Sat 12/1310:19 amISP - PHL
1 stop10h 20mFrontier
Deal found 12/7$485
This Kiwi.com deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” 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 12/1912:00 pmLGA - ISP
1 stop7h 40mFrontier
Sun 12/218:35 pmISP - LGA
1 stop14h 30mFrontier
Deal found 12/6$489
This Kiwi.com deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” 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 12/191:24 pmJFK - ISP
1 stop10h 35mMultiple Airlines
Sun 12/212:19 pmISP - JFK
2 stops10h 36mMultiple Airlines
Deal found 12/6$512
This Kiwi.com deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” 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 12/1912:00 pmLGA - ISP
1 stop7h 40mMultiple Airlines
Sun 12/2110:38 amISP - LGA
2 stops12h 59mMultiple Airlines
Deal found 12/6$547
This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” 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 12/227:59 amJFK - ISP
1 stop11h 41mMultiple Airlines
Sat 1/37:30 pmISP - JFK
2 stops37h 31mMultiple Airlines
Deal found 12/7$609

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 December 9, 2025.

Round-trip from

$232
(Kiwi.com)

One-way from

$86
(Kiwi.com)
From New Jersey to Islip Long Island
Search Deals
One-way flight from New Jersey to Islip Long Island
Search Deals

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 December 9, 2025.
Use the filters below to find and compare flights from New Jersey to Islip that are best for you.

Fly from

New Jersey

Fly to

Islip

Route

Depart

Return

Price

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Mon 1/5

6:00 am-1:45 pm

1 stop7h 45m

Islip Long Island

Mon 1/12

2:01 pm-4:49 pm

1 stop26h 48m

$232

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 2/9

9:29 am-5:50 pm

1 stop8h 21m

Islip Long Island

Tue 2/10

12:25 pm-8:38 pm

1 stop8h 13m

$303

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 2/9

8:45 pm-8:55 am

1 stop12h 10m

Islip Long Island

Tue 2/10

12:25 pm-11:00 pm

1 stop10h 35m

$318

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 12/19

11:05 am-8:07 pm

1 stop9h 02m

Islip Long Island

Sun 12/21

2:19 pm-8:00 am

2 stops17h 41m

$418

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 2/9

2:00 pm-8:05 pm

1 stop6h 05m

Islip Long Island

Tue 2/10

12:30 pm-11:27 pm

2 stops10h 57m

$420

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 12/19

1:24 pm-11:59 pm

1 stop10h 35m

Islip Long Island

Sun 12/21

8:35 pm-10:00 am

1 stop13h 25m

$446

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 12/19

12:00 pm-7:40 pm

1 stop7h 40m

Islip Long Island

Sun 12/21

8:35 pm-11:05 am

1 stop14h 30m

$489

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 12/19

1:24 pm-11:59 pm

1 stop10h 35m

Islip Long Island

Sun 12/21

2:19 pm-12:55 am

2 stops10h 36m

$512

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 12/19

12:00 pm-7:40 pm

1 stop7h 40m

Islip Long Island

Sun 12/21

10:38 am-11:37 pm

2 stops12h 59m

$547

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 2/9

9:55 am-6:48 pm

1 stop8h 53m

Islip Long Island

Tue 2/10

12:30 pm-10:45 pm

2 stops10h 15m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 33 results
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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.
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
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 New Jersey to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from New Jersey?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from New Jersey. Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • How long is the flight from New Jersey to Islip, New York?

    Departing from New Jersey to Islip, New York will take you 8h 21m. New Jersey and Islip, New York are separated by a distance of 41 mi. This flight may include one or multiple stops.

  • What are the most popular routes from New Jersey to Islip, New York?

    The most popular route from New Jersey to Islip, New York is New York John F Kennedy Intl - Islip Long Island. You may also consider Newark - Islip Long Island or New York LaGuardia - Islip Long Island.

  • Can I find deals for flights from New Jersey to Islip that include hotel bookings?

    Yes. In addition to deals on New Jersey to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Jersey to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Jersey to Islip.

  • Can I find deals for business class flights from New Jersey to Islip?

    Yes. Cheapflights offers flight deals from New Jersey to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Islip?

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