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$68+ Cheap flights from Islip, NY (ISP) to New Jersey

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Round-trip from

$141
(Kiwi.com)

One-way from

$68
(Kiwi.com)
From Islip Long Island to New Jersey
Search Deals
One-way flight from Islip Long Island to New Jersey
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Find flight deals from Islip to New Jersey

Cheapest flights from Islip to New Jersey
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 January 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Tue 1/2012:00 pmISP - JFK
1 stop27h 27mFrontier
Sat 1/241:00 pmJFK - ISP
2 stops19h 40mFrontier
Deal found 1/6$159
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Tue 1/2012:00 pmISP - LGA
1 stop23h 29mMultiple Airlines
Sat 1/247:59 pmLGA - ISP
1 stop12h 41mMultiple Airlines
Deal found 1/7$181
This Trip.com deal was found by Cheapflights users on 1/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:00 amISP - PHL
1 stop9h 48mMultiple Airlines
Thu 2/58:43 pmPHL - ISP
1 stop12h 09mMultiple Airlines
Deal found 1/6$198
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Wed 1/2111:50 amISP - PHL
2 stops22h 59mMultiple Airlines
Sun 1/251:26 pmPHL - ISP
1 stop23h 55mMultiple Airlines
Deal found 1/6$222
This Trip.com deal was found by Cheapflights users on 1/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2012:00 pmISP - JFK
1 stop10h 00mMultiple Airlines
Sat 1/245:45 pmJFK - ISP
1 stop14h 55mMultiple Airlines
Deal found 1/6$259
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Sat 1/3111:50 amISP - JFK
2 stops45h 17mMultiple Airlines
Tue 3/311:11 pmJFK - ISP
1 stop30h 00mMultiple Airlines
Deal found 1/7$298
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
Fri 1/239:43 pmISP - JFK
1 stop17h 44mMultiple Airlines
Tue 1/271:00 pmJFK - ISP
2 stops22h 10mMultiple Airlines
Deal found 1/8$307
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/2012:00 pmISP - PHL
1 stop22h 37mMultiple Airlines
Thu 1/226:00 amPHL - ISP
2 stops12h 48mMultiple Airlines
Deal found 1/8$323
This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3111:05 amISP - JFK
1 stop10h 58mJetBlue
Tue 3/318:50 pmJFK - ISP
1 stop12h 19mJetBlue
Deal found 1/7$334
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Wed 1/1411:50 amISP - LGA
1 stop7h 43mMultiple Airlines
Sun 1/186:30 amLGA - ISP
1 stop12h 33mMultiple Airlines
Deal found 1/6$356
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Sat 1/1011:50 amISP - PHL
1 stop9h 43mMultiple Airlines
Mon 1/128:43 pmPHL - ISP
1 stop26h 03mMultiple Airlines
Deal found 1/7$365
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/1012:45 pmISP - PHL
1 stop10h 15mMultiple Airlines
Thu 2/127:50 pmPHL - ISP
1 stop17h 41mMultiple Airlines
Deal found 1/8$366

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 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Islip to New Jersey that are best for you.

Fly from

Islip

Fly to

New Jersey

Route

Depart

Return

Price

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 1/20

12:00 pm-3:27 pm

1 stop27h 27m

New York John F Kennedy Intl

Sat 1/24

1:00 pm-8:40 am

2 stops19h 40m

$159

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 1/20

12:00 pm-11:29 am

1 stop23h 29m

New York LaGuardia

Sat 1/24

7:59 pm-8:40 am

1 stop12h 41m

$181

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 2/3

10:00 am-7:48 pm

1 stop9h 48m

Philadelphia

Thu 2/5

8:43 pm-8:52 am

1 stop12h 09m

$198

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 1/21

11:50 am-10:49 am

2 stops22h 59m

Philadelphia

Sun 1/25

1:26 pm-1:21 pm

1 stop23h 55m

$222

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 1/20

12:00 pm-10:00 pm

1 stop10h 00m

New York John F Kennedy Intl

Sat 1/24

5:45 pm-8:40 am

1 stop14h 55m

$259

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 1/31

11:50 am-9:07 am

2 stops45h 17m

New York John F Kennedy Intl

Tue 3/31

1:11 pm-7:11 pm

1 stop30h 00m

$298

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 1/23

9:43 pm-3:27 pm

1 stop17h 44m

New York John F Kennedy Intl

Tue 1/27

1:00 pm-11:10 am

2 stops22h 10m

$307

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 1/20

12:00 pm-10:37 am

1 stop22h 37m

Philadelphia

Thu 1/22

6:00 am-6:48 pm

2 stops12h 48m

$323

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 1/31

11:05 am-10:03 pm

1 stop10h 58m

New York John F Kennedy Intl

Tue 3/31

8:50 pm-9:09 am

1 stop12h 19m

$334

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 3/2

1:27 pm-10:46 pm

1 stop9h 19m

New York John F Kennedy Intl

Wed 3/4

6:40 am-2:18 pm

1 stop7h 38m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 44 results
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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.
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
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.

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

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to New Jersey. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

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

    Frontier can get you from Islip, New York to New Jersey in just under 27h 27m. Your travel time can differ by up to . Airlines will cover a distance of 37 mi.

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

    The most popular flight routes from Islip, New York to New Jersey are Islip Long Island - New York John F Kennedy Intl, Islip Long Island - Philadelphia and Islip Long Island - New York LaGuardia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to New Jersey 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

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