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$179+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/185:27 pm
ISP
-
PHL
2 stops13h 48m
Multiple Airlines
Tue 8/257:25 am
PHL
-
ISP
1 stop9h 22m
Multiple Airlines
Deal found 7/21$279
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/310:57 am
ISP
-
PHL
1 stop13h 02m
Multiple Airlines
Mon 9/149:14 am
PHL
-
ISP
2 stops26h 06m
Multiple Airlines
Deal found 7/21$286
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/310:57 am
ISP
-
PHL
1 stop13h 02m
Frontier
Mon 9/145:57 pm
PHL
-
ISP
1 stop15h 36m
Frontier
Deal found 7/21$307
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/207:49 pm
ISP
-
PHL
2 stops35h 26m
Multiple Airlines
Thu 8/277:20 am
PHL
-
ISP
1 stop10h 54m
Multiple Airlines
Deal found 7/21$317
This JetBlue deal was found by Cheapflights users on 7/20. 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.
Tue 9/16:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Sat 9/52:29 pm
LGA
-
ISP
1 stop9h 38m
JetBlue
Deal found 7/20$321
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/187:46 pm
ISP
-
PHL
1 stop16h 46m
Multiple Airlines
Tue 9/225:28 pm
PHL
-
ISP
2 stops17h 52m
Multiple Airlines
Deal found 7/20$322
This JetBlue deal was found by Cheapflights users on 7/18. 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.
Thu 10/152:00 pm
ISP
-
JFK
1 stop7h 20m
JetBlue
Tue 11/1011:29 am
JFK
-
ISP
1 stop10h 08m
JetBlue
Deal found 7/18$331
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/185:27 pm
ISP
-
PHL
1 stop17h 48m
Multiple Airlines
Mon 8/245:16 pm
PHL
-
ISP
1 stop16h 37m
Multiple Airlines
Deal found 7/21$337
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:20 am
ISP
-
PHL
2 stops7h 35m
Southwest
Thu 8/278:00 am
PHL
-
ISP
2 stops8h 25m
Southwest
Deal found 7/21$357
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/37:09 pm
ISP
-
LGA
1 stop22h 36m
Frontier
Thu 9/108:29 pm
LGA
-
ISP
1 stop13h 04m
Frontier
Deal found 7/20$373
This Priceline deal was found by Cheapflights users on 7/20. 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 8/186:00 am
ISP
-
JFK
1 stop8h 54m
JetBlue
Tue 8/2511:30 am
JFK
-
ISP
1 stop10h 19m
JetBlue
Deal found 7/20$385
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:05 am
ISP
-
PHL
2 stops8h 15m
Southwest
Mon 8/242:05 pm
PHL
-
ISP
2 stops8h 00m
Southwest
Deal found 7/21$387

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 July 24, 2026.

Round-trip from

$279
(Kiwi.com)

One-way from

$179
(Southwest)
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 July 24, 2026.
Use the filters below to find and compare flights from Islip to New Jersey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 8/18

5:27 pm-7:15 am

2 stops13h 48m

Philadelphia

Tue 8/25

7:25 am-4:47 pm

1 stop9h 22m

$279

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 9/3

10:57 am-11:59 pm

1 stop13h 02m

Philadelphia

Mon 9/14

9:14 am-11:20 am

2 stops26h 06m

$286

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 9/1

6:00 am-1:32 pm

1 stop7h 32m

New York LaGuardia

Sat 9/5

2:29 pm-12:07 am

1 stop9h 38m

$321

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 9/18

7:46 pm-12:32 pm

1 stop16h 46m

Philadelphia

Tue 9/22

5:28 pm-11:20 am

2 stops17h 52m

$322

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 8/18

6:00 am-2:54 pm

1 stop8h 54m

New York John F Kennedy Intl

Tue 8/25

11:30 am-9:49 pm

1 stop10h 19m

$385

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 9/3

12:35 pm-9:40 pm

2 stops9h 05m

Philadelphia

Mon 9/14

8:00 am-4:25 pm

2 stops8h 25m

$387

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 8/18

6:05 am-2:20 pm

2 stops8h 15m

Philadelphia

Mon 8/24

2:05 pm-10:05 pm

2 stops8h 00m

$387

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 8/19

6:00 am-2:54 pm

1 stop8h 54m

New York John F Kennedy Intl

Wed 8/26

11:30 am-9:44 pm

1 stop10h 14m

$395

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 9/5

6:00 am-2:54 pm

1 stop8h 54m

New York John F Kennedy Intl

Wed 9/9

6:00 am-1:05 pm

1 stop7h 05m

$428

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 8/14

2:28 pm-11:15 am

1 stop20h 47m

Philadelphia

Sun 8/16

9:16 pm-9:53 am

1 stop12h 37m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 34 resultsSorted by cheapest first
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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, Southwest, and Frontier can get you from Islip, New York to New Jersey in just under 7h 32m. Your travel time can differ by up to 7h 36m. Airlines will cover a distance of 41 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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