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$95+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 February 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/8. 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 2/233:59 pm
ISP
-
LGA
2 stops25h 00m
Multiple Airlines
Fri 2/2710:03 pm
LGA
-
ISP
1 stop13h 03m
Multiple Airlines
Deal found 2/8$182
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sat 2/2111:50 am
ISP
-
PHL
1 stop11h 15m
Multiple Airlines
Wed 2/257:59 pm
PHL
-
ISP
2 stops35h 39m
Multiple Airlines
Deal found 2/6$264
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Fri 3/61:42 pm
ISP
-
LGA
1 stop9h 39m
Multiple Airlines
Fri 3/138:30 pm
LGA
-
ISP
2 stops14h 40m
Multiple Airlines
Deal found 2/6$295
This Expedia deal was found by Cheapflights users on 2/6. 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 3/101:25 pm
ISP
-
JFK
1 stop8h 08m
JetBlue
Tue 3/248:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Deal found 2/6$318
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/85:08 pm
ISP
-
LGA
1 stop30h 13m
Multiple Airlines
Sun 3/1512:59 pm
LGA
-
ISP
2 stops31h 06m
Multiple Airlines
Deal found 2/8$324
This JetBlue deal was found by Cheapflights users on 2/8. 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.
Sat 3/79:39 am
ISP
-
JFK
1 stop6h 25m
JetBlue
Sat 3/141:15 pm
JFK
-
ISP
1 stop10h 32m
JetBlue
Deal found 2/8$328
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sat 2/218:23 pm
ISP
-
LGA
2 stops23h 35m
Frontier
Wed 2/2510:00 pm
LGA
-
ISP
1 stop16h 39m
Frontier
Deal found 2/6$347
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/102:31 pm
ISP
-
PHL
1 stop9h 05m
Multiple Airlines
Sun 4/127:49 pm
PHL
-
ISP
1 stop17h 42m
Multiple Airlines
Deal found 2/8$375
This JetBlue deal was found by Cheapflights users on 2/5. 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 3/21:22 pm
ISP
-
JFK
1 stop10h 47m
JetBlue
Wed 3/46:40 am
JFK
-
ISP
1 stop7h 38m
JetBlue
Deal found 2/5$428
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/108:00 am
ISP
-
PHL
1 stop31h 01m
Multiple Airlines
Thu 2/127:50 pm
PHL
-
ISP
1 stop17h 41m
Multiple Airlines
Deal found 2/6$486
This Priceline deal was found by Cheapflights users on 2/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:25 pm
ISP
-
LGA
1 stop9h 32m
JetBlue
Fri 3/1312:30 pm
LGA
-
ISP
1 stop11h 16m
JetBlue
Deal found 2/6$493
This Expedia deal was found by Cheapflights users on 2/8. 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.
Mon 2/239:30 am
ISP
-
JFK
1 stop6h 50m
JetBlue
Fri 2/278:00 pm
JFK
-
ISP
1 stop12h 47m
JetBlue
Deal found 2/8$568

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 February 9, 2026.

Round-trip from

$182
(Kiwi.com)

One-way from

$95
(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 February 9, 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

Mon 2/23

3:59 pm-4:59 pm

2 stops25h 00m

New York LaGuardia

Fri 2/27

10:03 pm-11:06 am

1 stop13h 03m

$182

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 2/21

11:50 am-11:05 pm

1 stop11h 15m

Philadelphia

Wed 2/25

7:59 pm-7:38 am

2 stops35h 39m

$264

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 3/6

1:42 pm-11:21 pm

1 stop9h 39m

New York LaGuardia

Fri 3/13

8:30 pm-11:10 am

2 stops14h 40m

$295

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 3/10

1:25 pm-9:33 pm

1 stop8h 08m

New York John F Kennedy Intl

Tue 3/24

8:00 pm-8:55 am

1 stop12h 55m

$318

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sun 3/8

5:08 pm-11:21 pm

1 stop30h 13m

New York LaGuardia

Sun 3/15

12:59 pm-8:05 pm

2 stops31h 06m

$324

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 3/7

9:39 am-4:04 pm

1 stop6h 25m

New York John F Kennedy Intl

Sat 3/14

1:15 pm-11:47 pm

1 stop10h 32m

$328

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 2/21

8:23 pm-7:58 pm

2 stops23h 35m

New York LaGuardia

Wed 2/25

10:00 pm-2:39 pm

1 stop16h 39m

$347

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 4/10

2:31 pm-11:36 pm

1 stop9h 05m

Philadelphia

Sun 4/12

7:49 pm-1:31 pm

1 stop17h 42m

$375

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 3/2

1:22 pm-12:09 am

1 stop10h 47m

New York John F Kennedy Intl

Wed 3/4

6:40 am-2:18 pm

1 stop7h 38m

$428

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 3/6

8:00 am-2:42 pm

1 stop6h 42m

New York John F Kennedy Intl

Fri 3/13

2:00 pm-11:46 pm

1 stop9h 46m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 35 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 08m. Your travel time can differ by up to 15h 27m. 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 - Philadelphia 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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