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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
ene. 14 — ene. 211
mié. 1/14
mié. 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 diciembre 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.
dom. 12/1411:15 amISP - PHL
1 stop28h 01mMultiple Airlines
dom. 12/216:00 amPHL - ISP
2 stops31h 09mMultiple Airlines
Deal found 12/13$429
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
mar. 12/168:29 pmISP - PHL
1 stop23h 14mMultiple Airlines
mar. 12/231:54 pmPHL - ISP
2 stops27h 20mMultiple Airlines
Deal found 12/15$453
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.
dom. 12/1411:15 amISP - PHL
1 stop28h 01mFrontier
dom. 12/211:46 pmPHL - ISP
1 stop23h 23mFrontier
Deal found 12/13$462
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
mar. 12/168:29 pmISP - PHL
1 stop23h 14mFrontier
mar. 12/238:30 amPHL - ISP
1 stop30h 40mFrontier
Deal found 12/15$466
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.
vie. 12/192:25 pmISP - LGA
1 stop5h 05mMultiple Airlines
dom. 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.
lun. 12/298:35 pmISP - JFK
1 stop13h 25mFrontier
vie. 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.
lun. 12/226:25 amISP - JFK
1 stop30h 04mFrontier
lun. 12/291:00 pmJFK - ISP
2 stops22h 25mFrontier
Deal found 12/14$609
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
mar. 12/3012:20 pmISP - JFK
1 stop21h 40mFrontier
sáb. 1/31:24 pmJFK - ISP
1 stop10h 35mFrontier
Deal found 12/15$627
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.
sáb. 12/276:00 amISP - JFK
1 stop30h 29mMultiple Airlines
mié. 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.
lun. 12/292:25 pmISP - LGA
1 stop5h 05mMultiple Airlines
vie. 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.
sáb. 12/276:00 amISP - JFK
1 stop30h 29mFrontier
mié. 12/317:59 amJFK - ISP
1 stop8h 38mFrontier
Deal found 12/13$670
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
mar. 12/3012:20 pmISP - LGA
1 stop7h 40mMultiple Airlines
sáb. 1/310:55 pmLGA - ISP
2 stops38h 14mMultiple Airlines
Deal found 12/15$701

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 diciembre 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 diciembre 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

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

lun. 1/12

2:01 pm-7:30 pm

1 stop5h 29m

New York LaGuardia

lun. 1/19

5:45 am-11:59 am

2 stops30h 14m

$259

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

mar. 2/3

10:00 am-6:55 pm

1 stop8h 55m

New York John F Kennedy Intl

mié. 2/4

8:00 pm-8:52 am

1 stop12h 52m

$314

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

vie. 1/2

2:25 pm-7:30 pm

1 stop5h 05m

New York LaGuardia

vie. 1/9

5:30 pm-11:10 am

1 stop17h 40m

$341

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

jue. 1/1

11:40 am-11:56 pm

2 stops12h 16m

Philadelphia

sáb. 1/3

10:00 pm-7:39 pm

1 stop21h 39m

$483

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

vie. 1/2

12:30 pm-9:30 pm

1 stop9h 00m

New York John F Kennedy Intl

vie. 1/9

8:00 pm-8:52 am

1 stop12h 52m

$528

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 1/12

12:25 pm-11:24 pm

1 stop10h 59m

New York John F Kennedy Intl

lun. 1/19

6:45 am-11:05 am

1 stop4h 20m

$569

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 4/13

9:59 am-4:25 pm

1 stop6h 26m

New York John F Kennedy Intl

lun. 4/20

6:30 am-5:37 pm

1 stop11h 07m

$589

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 12/29

8:35 pm-10:00 am

1 stop13h 25m

New York John F Kennedy Intl

vie. 1/2

1:24 pm-11:59 pm

1 stop10h 35m

$605

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

mar. 12/30

12:20 pm-10:00 am

1 stop21h 40m

New York John F Kennedy Intl

sáb. 1/3

1:24 pm-11:59 pm

1 stop10h 35m

$627

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

sáb. 12/27

6:00 am-12:29 pm

1 stop30h 29m

New York John F Kennedy Intl

mié. 12/31

1:24 pm-11:00 am

2 stops21h 36m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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?

    JetBlue and Frontier can get you from Islip, New York to New Jersey in just under 8h 55m. Your travel time can differ by up to 4h 30m. 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 - 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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