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$89+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/1411:15 amISP - PHL
1 stop28h 01mMultiple Airlines
Sun 12/216:00 amPHL - ISP
2 stops31h 09mMultiple Airlines
Deal found 12/13$429
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/1411:15 amISP - PHL
1 stop28h 01mFrontier
Sun 12/211:46 pmPHL - ISP
1 stop23h 23mFrontier
Deal found 12/13$462
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/192:25 pmISP - LGA
1 stop5h 05mMultiple Airlines
Sun 12/216:30 amLGA - ISP
1 stop30h 39mMultiple Airlines
Deal found 12/13$549
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/298:35 pmISP - JFK
1 stop13h 25mFrontier
Fri 1/21:24 pmJFK - ISP
1 stop10h 35mFrontier
Deal found 12/14$605
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/226:25 amISP - JFK
1 stop30h 04mFrontier
Mon 12/291:00 pmJFK - ISP
2 stops22h 25mFrontier
Deal found 12/14$609
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/276:00 amISP - JFK
1 stop30h 29mMultiple Airlines
Wed 12/311:24 pmJFK - ISP
2 stops21h 36mMultiple Airlines
Deal found 12/13$666
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/292:25 pmISP - LGA
1 stop5h 05mMultiple Airlines
Fri 1/28:30 pmLGA - ISP
2 stops37h 28mMultiple Airlines
Deal found 12/14$667
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/276:00 amISP - JFK
1 stop30h 29mFrontier
Wed 12/317:59 amJFK - ISP
1 stop8h 38mFrontier
Deal found 12/13$670
This Priceline deal was found by Cheapflights users on 12/14. 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.
Mon 12/2210:46 amISP - JFK
1 stop11h 26mMultiple Airlines
Mon 12/296:30 amJFK - ISP
1 stop4h 35mMultiple Airlines
Deal found 12/14$746
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 12/277:25 amISP - LGA
2 stops12h 05mMultiple Airlines
Wed 12/316:30 pmLGA - ISP
1 stop16h 55mMultiple Airlines
Deal found 12/13$887
This Expedia deal was found by Cheapflights users on 12/13. 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 12/277:50 pmISP - LGA
1 stop13h 40mJetBlue
Wed 12/319:30 pmLGA - ISP
1 stop12h 31mJetBlue
Deal found 12/13$1,078
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/298:35 pmISP - JFK
1 stop13h 25mMultiple Airlines
Fri 1/212:10 pmJFK - ISP
2 stops7h 35mMultiple Airlines
Deal found 12/14$1,340

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 December 15, 2025.

Round-trip from

$314
(Expedia)

One-way from

$89
(Kiwi.com)
From Islip Long Island to New Jersey
Search Deals
One-way flight from Islip Long Island to New Jersey
Search Deals

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 December 15, 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 1/1

11:40 am-11:56 pm

2 stops12h 16m

Philadelphia

Sat 1/3

10:00 pm-7:39 pm

1 stop21h 39m

$483

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 12/29

8:35 pm-10:00 am

1 stop13h 25m

New York John F Kennedy Intl

Fri 1/2

1:24 pm-11:59 pm

1 stop10h 35m

$605

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 12/27

6:00 am-12:29 pm

1 stop30h 29m

New York John F Kennedy Intl

Wed 12/31

1:24 pm-11:00 am

2 stops21h 36m

$666

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Mon 12/29

2:25 pm-7:30 pm

1 stop5h 05m

New York LaGuardia

Fri 1/2

8:30 pm-9:58 am

2 stops37h 28m

$667

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 12/27

6:00 am-12:29 pm

1 stop30h 29m

New York John F Kennedy Intl

Wed 12/31

7:59 am-4:37 pm

1 stop8h 38m

$670

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 12/27

7:25 am-7:30 pm

2 stops12h 05m

New York LaGuardia

Wed 12/31

6:30 pm-11:25 am

1 stop16h 55m

$887

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 6/10

1:51 pm-11:40 pm

1 stop9h 49m

New York John F Kennedy Intl

Mon 6/15

1:00 pm-7:45 pm

1 stop6h 45m

$1,029

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 6/10

1:51 pm-9:59 pm

1 stop8h 08m

New York LaGuardia

Mon 6/15

6:40 am-12:56 pm

1 stop6h 16m

$1,073

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 12/27

7:50 pm-9:30 am

1 stop13h 40m

New York LaGuardia

Wed 12/31

9:30 pm-10:01 am

1 stop12h 31m

$1,078

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 12/29

8:35 pm-10:00 am

1 stop13h 25m

New York John F Kennedy Intl

Fri 1/2

12:10 pm-7:45 pm

2 stops7h 35m

$1,340

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 16 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 08m. Your travel time can differ by up to 5h 17m. 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 - New York John F Kennedy Intl, Islip Long Island - New York LaGuardia and Islip Long Island - Philadelphia.

  • 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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