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$172+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/49:33 am
ISP
-
LGA
1 stop10h 27m
Multiple Airlines
Sun 3/86:30 am
LGA
-
ISP
1 stop30h 03m
Multiple Airlines
Deal found 2/17$245
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/48:00 am
ISP
-
PHL
1 stop7h 36m
Multiple Airlines
Wed 3/47:46 pm
PHL
-
ISP
1 stop18h 53m
Multiple Airlines
Deal found 2/16$251
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 4/1511:50 am
ISP
-
LGA
2 stops11h 25m
Multiple Airlines
Sun 4/198:25 pm
LGA
-
ISP
1 stop12h 48m
Multiple Airlines
Deal found 2/17$281
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 5/1311:57 am
ISP
-
PHL
1 stop6h 03m
Multiple Airlines
Thu 5/1410:38 pm
PHL
-
ISP
1 stop10h 35m
Multiple Airlines
Deal found 2/17$283
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 5/2710:03 am
ISP
-
PHL
1 stop13h 45m
Multiple Airlines
Sun 5/316:00 am
PHL
-
ISP
1 stop27h 08m
Multiple Airlines
Deal found 2/16$321
This Priceline deal was found by Cheapflights users on 2/16. 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 3/101:25 pm
ISP
-
LGA
1 stop9h 32m
JetBlue
Tue 3/179:30 pm
LGA
-
ISP
1 stop11h 25m
JetBlue
Deal found 2/16$328
This Expedia deal was found by Cheapflights users on 2/17. 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 3/178:25 am
ISP
-
JFK
1 stop14h 05m
JetBlue
Tue 3/248:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Deal found 2/17$328
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 3/38:00 am
ISP
-
PHL
2 stops14h 49m
Multiple Airlines
Tue 3/108:30 am
PHL
-
ISP
1 stop26h 40m
Multiple Airlines
Deal found 2/16$348
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Tue 3/1711:59 am
ISP
-
PHL
1 stop25h 32m
Multiple Airlines
Tue 3/247:19 pm
PHL
-
ISP
2 stops15h 51m
Multiple Airlines
Deal found 2/15$368
This Expedia deal was found by Cheapflights users on 2/16. 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 2/16$378
This Expedia deal was found by Cheapflights users on 2/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:25 am
ISP
-
PHL
1 stop9h 12m
JetBlue
Tue 3/247:00 am
PHL
-
ISP
1 stop12h 27m
JetBlue
Deal found 2/15$378
This Expedia deal was found by Cheapflights users on 2/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:25 pm
ISP
-
JFK
1 stop8h 08m
JetBlue
Fri 3/132:00 pm
JFK
-
ISP
1 stop9h 46m
JetBlue
Deal found 2/15$393

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 18, 2026.

Round-trip from

$245
(Kiwi.com)

One-way from

$172
(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 18, 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 3/4

9:33 am-8:00 pm

1 stop10h 27m

New York LaGuardia

Sun 3/8

6:30 am-12:33 pm

1 stop30h 03m

$245

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 3/4

8:00 am-3:36 pm

1 stop7h 36m

Philadelphia

Wed 3/4

7:46 pm-2:39 pm

1 stop18h 53m

$251

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 4/15

11:50 am-11:15 pm

2 stops11h 25m

New York LaGuardia

Sun 4/19

8:25 pm-9:13 am

1 stop12h 48m

$281

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 5/13

11:57 am-6:00 pm

1 stop6h 03m

Philadelphia

Thu 5/14

10:38 pm-9:13 am

1 stop10h 35m

$283

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 5/27

10:03 am-11:48 pm

1 stop13h 45m

Philadelphia

Sun 5/31

6:00 am-9:08 am

1 stop27h 08m

$321

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 3/10

1:25 pm-10:57 pm

1 stop9h 32m

New York LaGuardia

Tue 3/17

9:30 pm-8:55 am

1 stop11h 25m

$328

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 3/17

8:25 am-10:30 pm

1 stop14h 05m

New York John F Kennedy Intl

Tue 3/24

8:00 pm-8:55 am

1 stop12h 55m

$328

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 3/3

8:00 am-10:49 pm

2 stops14h 49m

Philadelphia

Tue 3/10

8:30 am-11:10 am

1 stop26h 40m

$348

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 3/17

11:59 am-1:31 pm

1 stop25h 32m

Philadelphia

Tue 3/24

7:19 pm-11:10 am

2 stops15h 51m

$368

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

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 33 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 can get you from Islip, New York to New Jersey in just under 9h 32m. Your travel time can differ by up to . Airlines will cover a distance of 41 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 - 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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See prices for flight routes from nearby airports that may be better suited for you.
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