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$169+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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. 12/1510:19 amISP - PHL
1 stop23h 41mFrontier
mar. 12/1610:00 pmPHL - ISP
1 stop24h 44mFrontier
Deal found 12/11$296
This Kiwi.com deal was found by Cheapflights users on 12/11. 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. 12/1510:19 amISP - PHL
2 stops14h 17mMultiple Airlines
mar. 12/1610:00 pmPHL - ISP
1 stop26h 38mMultiple Airlines
Deal found 12/11$311
This Kiwi.com deal was found by Cheapflights users on 12/11. 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. 12/1510:19 amISP - PHL
1 stop23h 41mFrontier
mié. 12/174:00 pmPHL - ISP
1 stop19h 25mFrontier
Deal found 12/11$332
This Kiwi.com deal was found by Cheapflights users on 12/11. 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. 12/1510:19 amISP - PHL
2 stops14h 17mMultiple Airlines
mié. 12/174:00 pmPHL - ISP
1 stop19h 25mMultiple Airlines
Deal found 12/11$347
This Kiwi.com deal was found by Cheapflights users on 12/9. 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. 12/196:00 amISP - PHL
2 stops13h 18mMultiple Airlines
lun. 12/2210:00 pmPHL - ISP
1 stop13h 25mMultiple Airlines
Deal found 12/9$349
This Kiwi.com deal was found by Cheapflights users on 12/9. 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. 12/194:40 pmISP - PHL
1 stop19h 25mFrontier
lun. 12/2210:00 pmPHL - ISP
1 stop13h 25mFrontier
Deal found 12/9$362
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 stop16h 20mFrontier
mié. 12/174:00 pmPHL - ISP
1 stop8h 38mFrontier
Deal found 12/11$381
This Kiwi.com deal was found by Cheapflights users on 12/11. 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
2 stops15h 34mMultiple Airlines
mié. 12/174:00 pmPHL - ISP
1 stop8h 38mMultiple Airlines
Deal found 12/11$421
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
jue. 12/1110:19 amISP - JFK
2 stops14h 40mFrontier
jue. 12/181:24 pmJFK - ISP
1 stop10h 07mFrontier
Deal found 12/11$484
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
jue. 12/1110:19 amISP - LGA
1 stop7h 11mMultiple Airlines
jue. 12/185:30 pmLGA - ISP
1 stop20h 15mMultiple Airlines
Deal found 12/11$518
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
jue. 12/2512:20 pmISP - LGA
1 stop7h 40mMultiple Airlines
lun. 12/294:30 pmLGA - ISP
2 stops18h 55mMultiple Airlines
Deal found 12/10$521
This Kiwi.com deal was found by Cheapflights users on 12/10. 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. 12/152:25 pmISP - LGA
1 stop4h 50mMultiple Airlines
lun. 12/2210:55 pmLGA - ISP
2 stops41h 42mMultiple Airlines
Deal found 12/10$535

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 12, 2025.

Round-trip from

$169
(Kiwi.com)
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 12, 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

mié. 1/7

11:50 am-6:36 pm

1 stop6h 46m

Philadelphia

mar. 1/20

5:07 pm-11:10 am

2 stops18h 03m

$169

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

jue. 12/25

12:20 pm-8:00 pm

1 stop7h 40m

New York LaGuardia

lun. 12/29

4:30 pm-11:25 am

2 stops18h 55m

$521

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

lun. 5/4

12:35 pm-11:01 pm

1 stop10h 26m

Philadelphia

mié. 5/6

3:15 pm-7:45 pm

1 stop4h 30m

$554

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

vie. 12/26

2:25 pm-11:15 pm

1 stop8h 50m

Philadelphia

mar. 12/30

6:00 am-10:17 pm

2 stops40h 17m

$565

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

vie. 12/26

2:25 pm-7:30 pm

1 stop5h 05m

New York LaGuardia

mar. 12/30

5:30 am-10:17 pm

2 stops40h 47m

$649

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

sáb. 12/27

12:30 pm-5:30 pm

2 stops29h 00m

New York LaGuardia

mié. 12/31

6:30 pm-11:25 am

1 stop16h 55m

$741

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

jue. 12/25

2:19 pm-9:01 am

2 stops18h 42m

New York John F Kennedy Intl

lun. 12/29

1:24 pm-11:59 pm

1 stop10h 35m

$771

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

vie. 12/26

8:35 pm-10:00 am

1 stop13h 25m

New York John F Kennedy Intl

mar. 12/30

1:24 pm-11:59 pm

1 stop10h 35m

$847

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

vie. 12/26

7:40 pm-9:30 am

1 stop13h 50m

New York LaGuardia

mar. 12/30

9:30 pm-10:01 am

1 stop12h 31m

$1,148

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

vie. 12/26

10:46 am-10:12 pm

1 stop11h 26m

New York John F Kennedy Intl

mar. 12/30

12:10 pm-7:45 pm

2 stops7h 35m

$1,676

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 15 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 13h 25m. 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 - 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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