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$85+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:33 am
ISP
-
LGA
1 stop10h 27m
Multiple Airlines
Sun 3/16:30 am
LGA
-
ISP
1 stop25h 08m
Multiple Airlines
Deal found 2/10$203
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 2/259:33 am
ISP
-
PHL
1 stop26h 08m
Frontier
Sun 3/110:59 pm
PHL
-
ISP
1 stop8h 39m
Frontier
Deal found 2/10$222
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 2/272:31 pm
ISP
-
JFK
2 stops21h 28m
Multiple Airlines
Tue 3/34:29 pm
JFK
-
ISP
1 stop16h 11m
Multiple Airlines
Deal found 2/11$245
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:33 am
ISP
-
LGA
1 stop11h 32m
Frontier
Sun 3/16:00 am
LGA
-
ISP
2 stops25h 38m
Frontier
Deal found 2/10$259
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 2/259:33 am
ISP
-
PHL
1 stop8h 39m
Multiple Airlines
Sun 3/15:26 pm
PHL
-
ISP
2 stops14h 12m
Multiple Airlines
Deal found 2/10$262
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 2/278:33 am
ISP
-
JFK
1 stop30h 56m
Frontier
Tue 3/34:29 pm
JFK
-
ISP
1 stop16h 11m
Frontier
Deal found 2/11$270
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Tue 2/2411:59 am
ISP
-
PHL
1 stop11h 01m
Multiple Airlines
Sat 2/2812:46 pm
PHL
-
ISP
1 stop11h 37m
Multiple Airlines
Deal found 2/9$270
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:33 am
ISP
-
JFK
2 stops15h 30m
Frontier
Sun 3/11:00 pm
JFK
-
ISP
2 stops18h 38m
Frontier
Deal found 2/10$319
This Priceline deal was found by Cheapflights users on 2/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:27 pm
ISP
-
JFK
1 stop7h 05m
JetBlue
Sat 2/286:30 am
JFK
-
ISP
1 stop7h 48m
JetBlue
Deal found 2/9$333
This Expedia deal was found by Cheapflights users on 2/9. 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 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 stop9h 21m
JetBlue
Tue 3/178:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Deal found 2/9$338
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:39 am
ISP
-
LGA
1 stop12h 06m
JetBlue
Mon 3/169:30 pm
LGA
-
ISP
1 stop11h 25m
JetBlue
Deal found 2/9$348
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:39 am
ISP
-
JFK
1 stop11h 04m
JetBlue
Mon 3/168:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Deal found 2/9$348

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 12, 2026.

Round-trip from

$182
(Kiwi.com)

One-way from

$85
(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 12, 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

Wed 2/25

9:33 am-8:00 pm

1 stop10h 27m

New York LaGuardia

Sun 3/1

6:30 am-7:38 am

1 stop25h 08m

$203

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 2/25

9:33 am-11:41 am

1 stop26h 08m

Philadelphia

Sun 3/1

10:59 pm-7:38 am

1 stop8h 39m

$222

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 2/27

2:31 pm-11:59 am

2 stops21h 28m

New York John F Kennedy Intl

Tue 3/3

4:29 pm-8:40 am

1 stop16h 11m

$245

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 2/25

9:33 am-9:05 pm

1 stop11h 32m

New York LaGuardia

Sun 3/1

6:00 am-7:38 am

2 stops25h 38m

$259

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 2/25

9:33 am-6:12 pm

1 stop8h 39m

Philadelphia

Sun 3/1

5:26 pm-7:38 am

2 stops14h 12m

$262

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 2/27

8:33 am-3:29 pm

1 stop30h 56m

New York John F Kennedy Intl

Tue 3/3

4:29 pm-8:40 am

1 stop16h 11m

$270

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 2/25

9:33 am-1:03 am

2 stops15h 30m

New York John F Kennedy Intl

Sun 3/1

1:00 pm-7:38 am

2 stops18h 38m

$319

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 2/24

8:00 am-10:49 pm

2 stops14h 49m

Philadelphia

Sat 2/28

12:46 pm-12:23 am

1 stop11h 37m

$320

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 2/24

1:27 pm-8:32 pm

1 stop7h 05m

New York John F Kennedy Intl

Sat 2/28

6:30 am-2:18 pm

1 stop7h 48m

$333

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 3/10

1:25 pm-10:46 pm

1 stop9h 21m

New York John F Kennedy Intl

Tue 3/17

8:00 pm-8:55 am

1 stop12h 55m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 37 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 7h 05m. Your travel time can differ by up to 19h 03m. 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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