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$133+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 6, 2026.

Round-trip from

$133
(Kiwi.com)
From Islip Long Island to New Jersey
Search Deals

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 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/4. 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 1/2012:00 pmISP - LGA
1 stop23h 29mFrontier
Sat 1/2412:00 pmLGA - ISP
1 stop20h 40mFrontier
Deal found 1/4$133
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 - LGA
1 stop23h 29mMultiple Airlines
Sat 1/247:59 pmLGA - ISP
1 stop12h 41mMultiple Airlines
Deal found 1/6$141
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Tue 1/2012:00 pmISP - JFK
1 stop27h 27mFrontier
Sat 1/241:00 pmJFK - ISP
2 stops19h 40mFrontier
Deal found 1/5$161
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 1/198:54 pmISP - PHL
2 stops14h 20mMultiple Airlines
Fri 1/235:30 amPHL - ISP
1 stop15h 17mMultiple Airlines
Deal found 1/4$216
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 Kiwi.com deal was found by Cheapflights users on 1/4. 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.
Sun 2/17:53 pmISP - PHL
2 stops39h 26mMultiple Airlines
Sun 2/86:57 pmPHL - ISP
1 stop18h 34mMultiple Airlines
Deal found 1/4$240
This Trip.com deal was found by Cheapflights users on 1/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:53 pmISP - PHL
1 stop14h 33mFrontier
Sun 2/88:30 amPHL - ISP
1 stop10h 18mFrontier
Deal found 1/4$272
This Kiwi.com deal was found by Cheapflights users on 1/5. 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.
Mon 1/122:01 pmISP - LGA
1 stop5h 29mMultiple Airlines
Mon 1/198:30 pmLGA - ISP
2 stops38h 40mMultiple Airlines
Deal found 1/5$313
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:00 amISP - JFK
1 stop8h 55mJetBlue
Tue 2/108:00 pmJFK - ISP
1 stop12h 52mJetBlue
Deal found 1/6$315
This JetBlue deal was found by Cheapflights users on 1/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:27 pmISP - JFK
1 stop9h 19mJetBlue
Wed 3/46:40 amJFK - ISP
1 stop7h 38mJetBlue
Deal found 1/5$339
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 1/52:04 pmISP - PHL
2 stops15h 27mFrontier
Mon 1/126:01 pmPHL - ISP
1 stop28h 45mFrontier
Deal found 1/4$388
This Kiwi.com deal was found by Cheapflights users on 1/4. 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 1/52:25 pmISP - PHL
1 stop8h 50mMultiple Airlines
Mon 1/126:01 pmPHL - ISP
1 stop28h 45mMultiple Airlines
Deal found 1/4$405

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 6, 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 - LGA

ISPLGA

Islip Long Island

Tue 1/20

12:00 pm-11:29 am

1 stop23h 29m

New York LaGuardia

Sat 1/24

12:00 pm-8:40 am

1 stop20h 40m

$133

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

$141

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

$161

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 1/19

8:54 pm-11:14 am

2 stops14h 20m

Philadelphia

Fri 1/23

5:30 am-8:47 pm

1 stop15h 17m

$216

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

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sun 2/1

7:53 pm-11:19 am

2 stops39h 26m

Philadelphia

Sun 2/8

6:57 pm-1:31 pm

1 stop18h 34m

$240

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sun 2/1

7:53 pm-10:26 am

1 stop14h 33m

Philadelphia

Sun 2/8

8:30 am-6:48 pm

1 stop10h 18m

$272

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 2/3

10:00 am-6:55 pm

1 stop8h 55m

New York John F Kennedy Intl

Tue 2/10

8:00 pm-8:52 am

1 stop12h 52m

$315

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

$339

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 1/20

12:25 pm-8:31 pm

1 stop8h 06m

New York John F Kennedy Intl

Sat 1/24

8:00 pm-8:52 am

1 stop12h 52m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 25 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 8h 55m. Your travel time can differ by up to 14h 34m. Airlines will cover a distance of 37 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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