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$68+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 15, 2026.

Round-trip from

$208
(Kiwi.com)

One-way from

$68
(Kiwi.com)
From Islip Long Island to New Jersey
Search Deals
One-way flight 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 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Thu 2/195:07 pm
ISP
-
PHL
1 stop14h 55m
Multiple Airlines
Mon 2/2310:59 pm
PHL
-
ISP
2 stops36h 11m
Multiple Airlines
Deal found 1/13$208
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Sat 2/2812:01 pm
ISP
-
LGA
1 stop11h 20m
Multiple Airlines
Fri 3/65:30 pm
LGA
-
ISP
2 stops16h 18m
Multiple Airlines
Deal found 1/14$209
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Tue 2/178:00 am
ISP
-
PHL
1 stop31h 01m
Multiple Airlines
Tue 2/244:09 pm
PHL
-
ISP
2 stops19h 01m
Multiple Airlines
Deal found 1/13$245
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Thu 2/195:07 pm
ISP
-
PHL
1 stop14h 55m
Frontier
Mon 2/236:22 pm
PHL
-
ISP
1 stop29h 20m
Frontier
Deal found 1/13$272
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Wed 2/1111:50 am
ISP
-
LGA
1 stop7h 59m
Multiple Airlines
Wed 2/188:44 pm
LGA
-
ISP
2 stops22h 02m
Multiple Airlines
Deal found 1/14$277
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 1/309:43 pm
ISP
-
PHL
1 stop12h 54m
Multiple Airlines
Sun 2/110:45 pm
PHL
-
ISP
2 stops14h 36m
Multiple Airlines
Deal found 1/13$283
This Expedia deal was found by Cheapflights users on 1/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:00 am
ISP
-
JFK
1 stop12h 00m
JetBlue
Fri 2/68:00 pm
JFK
-
ISP
1 stop12h 52m
JetBlue
Deal found 1/14$343
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Thu 1/297:26 pm
ISP
-
PHL
2 stops22h 26m
Multiple Airlines
Mon 2/25:17 pm
PHL
-
ISP
1 stop18h 42m
Multiple Airlines
Deal found 1/14$350
This JetBlue deal was found by Cheapflights users on 1/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:10 am
ISP
-
JFK
1 stop6h 32m
JetBlue
Wed 3/1812:10 pm
JFK
-
ISP
1 stop7h 17m
JetBlue
Deal found 1/13$364
This JetBlue deal was found by Cheapflights users on 1/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:27 pm
ISP
-
JFK
1 stop10h 32m
JetBlue
Wed 3/46:40 am
JFK
-
ISP
1 stop7h 38m
JetBlue
Deal found 1/14$374
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 1/309:43 pm
ISP
-
PHL
1 stop17h 01m
Frontier
Sun 2/18:30 am
PHL
-
ISP
1 stop10h 28m
Frontier
Deal found 1/13$376
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Wed 2/112:03 pm
ISP
-
JFK
1 stop20h 00m
Frontier
Wed 2/186:00 am
JFK
-
ISP
2 stops34h 12m
Frontier
Deal found 1/14$404

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 15, 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

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 2/19

5:07 pm-8:02 am

1 stop14h 55m

Philadelphia

Mon 2/23

10:59 pm-11:10 am

2 stops36h 11m

$208

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 2/28

12:01 pm-11:21 pm

1 stop11h 20m

New York LaGuardia

Fri 3/6

5:30 pm-9:48 am

2 stops16h 18m

$209

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 2/17

8:00 am-3:01 pm

1 stop31h 01m

Philadelphia

Tue 2/24

4:09 pm-11:10 am

2 stops19h 01m

$245

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 2/19

5:07 pm-8:02 am

1 stop14h 55m

Philadelphia

Mon 2/23

6:22 pm-11:42 pm

1 stop29h 20m

$272

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 2/11

11:50 am-7:49 pm

1 stop7h 59m

New York LaGuardia

Wed 2/18

8:44 pm-6:46 pm

2 stops22h 02m

$277

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 1/30

9:43 pm-10:37 am

1 stop12h 54m

Philadelphia

Sun 2/1

10:45 pm-1:21 pm

2 stops14h 36m

$283

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 1/29

7:26 pm-5:52 pm

2 stops22h 26m

Philadelphia

Mon 2/2

5:17 pm-11:59 am

1 stop18h 42m

$350

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 3/11

8:10 am-2:42 pm

1 stop6h 32m

New York John F Kennedy Intl

Wed 3/18

12:10 pm-7:27 pm

1 stop7h 17m

$364

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 3/2

1:27 pm-11:59 pm

1 stop10h 32m

New York John F Kennedy Intl

Wed 3/4

6:40 am-2:18 pm

1 stop7h 38m

$374

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 1/30

9:43 pm-2:44 pm

1 stop17h 01m

Philadelphia

Sun 2/1

8:30 am-6:58 pm

1 stop10h 28m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 45 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 6h 32m. Your travel time can differ by up to 8h 23m. 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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