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$67+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
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 October 22, 2025.

Round-trip from

$188
(Kiwi.com)

One-way from

$67
(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 October 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/2010:02 amISP - PHL
1 stop13h 01mMultiple Airlines
Sat 11/224:43 pmPHL - ISP
2 stops17h 26mMultiple Airlines
Deal found 10/19$188
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/46:27 pmISP - JFK
1 stop16h 02mMultiple Airlines
Sat 11/84:00 pmJFK - ISP
2 stops19h 00mMultiple Airlines
Deal found 10/20$197
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/46:27 pmISP - PHL
1 stop23h 13mMultiple Airlines
Sat 11/87:38 pmPHL - ISP
2 stops15h 22mMultiple Airlines
Deal found 10/19$210
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/194:58 pmISP - PHL
1 stop14h 34mMultiple Airlines
Wed 11/265:45 amPHL - ISP
2 stops52h 52mMultiple Airlines
Deal found 10/20$217
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/174:58 pmISP - PHL
1 stop24h 42mMultiple Airlines
Mon 11/246:15 amPHL - ISP
1 stop28h 03mMultiple Airlines
Deal found 10/20$220
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/186:27 pmISP - PHL
1 stop19h 50mMultiple Airlines
Tue 11/256:15 amPHL - ISP
1 stop28h 03mMultiple Airlines
Deal found 10/22$226
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/174:58 pmISP - JFK
1 stop17h 31mFrontier
Mon 11/247:00 amJFK - ISP
1 stop27h 18mFrontier
Deal found 10/20$227
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 10/314:58 pmISP - PHL
1 stop17h 27mMultiple Airlines
Sun 11/27:47 pmPHL - ISP
2 stops14h 50mMultiple Airlines
Deal found 10/20$259
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/46:27 pmISP - LGA
1 stop14h 33mMultiple Airlines
Sat 11/88:56 pmLGA - ISP
2 stops37h 41mMultiple Airlines
Deal found 10/20$270
This Trip.com deal was found by Cheapflights users on 10/20. 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.
Mon 11/174:58 pmISP - PHL
2 stops16h 43mFrontier
Mon 11/244:14 pmPHL - ISP
1 stop18h 04mFrontier
Deal found 10/20$273
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 10/269:47 pmISP - JFK
1 stop12h 37mFrontier
Tue 10/287:30 amJFK - ISP
1 stop27h 07mFrontier
Deal found 10/20$276
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 10/224:58 pmISP - LGA
2 stops23h 31mFrontier
Wed 10/298:39 pmLGA - ISP
1 stop21h 03mFrontier
Deal found 10/21$354

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 October 22, 2025.
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

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 11/20

10:02 am-11:03 pm

1 stop13h 01m

Philadelphia

Sat 11/22

4:43 pm-10:09 am

2 stops17h 26m

$188

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 11/4

6:27 pm-10:29 am

1 stop16h 02m

New York John F Kennedy Intl

Sat 11/8

4:00 pm-11:00 am

2 stops19h 00m

$197

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 11/4

6:27 pm-5:40 pm

1 stop23h 13m

Philadelphia

Sat 11/8

7:38 pm-11:00 am

2 stops15h 22m

$210

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 11/19

4:58 pm-7:32 am

1 stop14h 34m

Philadelphia

Wed 11/26

8:37 am-9:07 am

1 stop24h 30m

$226

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 11/18

6:27 pm-2:17 pm

1 stop19h 50m

Philadelphia

Tue 11/25

6:15 am-10:18 am

1 stop28h 03m

$226

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 11/17

4:58 pm-10:29 am

1 stop17h 31m

New York John F Kennedy Intl

Mon 11/24

7:00 am-10:18 am

1 stop27h 18m

$227

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 11/17

4:58 pm-12:57 pm

1 stop19h 59m

Philadelphia

Mon 11/24

8:42 pm-10:18 am

1 stop13h 36m

$239

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 11/4

6:27 pm-9:00 am

1 stop14h 33m

New York LaGuardia

Sat 11/8

8:56 pm-10:37 am

2 stops37h 41m

$270

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 11/17

4:58 pm-9:41 am

2 stops16h 43m

Philadelphia

Mon 11/24

4:14 pm-10:18 am

1 stop18h 04m

$273

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 11/5

8:21 pm-6:05 pm

1 stop21h 44m

Philadelphia

Sun 11/9

10:32 pm-7:06 pm

1 stop20h 34m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 27 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 and JetBlue can get you from Islip, New York to New Jersey in just under 7h 15m. Your travel time can differ by up to 7h 19m. Airlines will cover a distance of 41 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 - Philadelphia, Islip Long Island - New York John F Kennedy Intl 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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