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$131+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
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 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/16. 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 9/15:27 pm
ISP
-
PHL
1 stop17h 48m
Multiple Airlines
Sat 9/57:20 am
PHL
-
ISP
1 stop10h 54m
Multiple Airlines
Deal found 7/16$268
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/185:27 pm
ISP
-
PHL
2 stops13h 48m
Multiple Airlines
Wed 8/195:16 pm
PHL
-
ISP
1 stop16h 37m
Multiple Airlines
Deal found 7/15$285
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/277:49 pm
ISP
-
PHL
2 stops24h 39m
Multiple Airlines
Thu 9/37:20 am
PHL
-
ISP
1 stop10h 54m
Multiple Airlines
Deal found 7/13$292
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Tue 8/115:27 pm
ISP
-
PHL
2 stops18h 55m
Multiple Airlines
Tue 8/189:16 pm
PHL
-
ISP
1 stop12h 37m
Multiple Airlines
Deal found 7/14$299
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/207:49 pm
ISP
-
PHL
2 stops24h 39m
Multiple Airlines
Thu 8/277:20 am
PHL
-
ISP
1 stop10h 54m
Multiple Airlines
Deal found 7/13$304
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/277:46 pm
ISP
-
PHL
1 stop29h 30m
Frontier
Thu 9/37:20 am
PHL
-
ISP
1 stop10h 54m
Frontier
Deal found 7/13$328
This JetBlue deal was found by Cheapflights users on 7/16. 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 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 stop8h 59m
JetBlue
Sat 9/52:29 pm
LGA
-
ISP
1 stop9h 38m
JetBlue
Deal found 7/16$331
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/1810:57 am
ISP
-
PHL
1 stop13h 02m
Frontier
Wed 8/195:16 pm
PHL
-
ISP
1 stop16h 37m
Frontier
Deal found 7/15$355
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:55 pm
ISP
-
PHL
2 stops8h 50m
Southwest
Sat 9/511:55 am
PHL
-
ISP
2 stops8h 50m
Southwest
Deal found 7/16$357
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/207:09 pm
ISP
-
LGA
2 stops20h 51m
Frontier
Mon 8/248:29 pm
LGA
-
ISP
1 stop13h 24m
Frontier
Deal found 7/13$361
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Fri 8/142:28 pm
ISP
-
PHL
1 stop20h 47m
Multiple Airlines
Wed 8/196:30 am
PHL
-
ISP
2 stops27h 23m
Multiple Airlines
Deal found 7/17$367
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/207:49 pm
ISP
-
LGA
2 stops25h 10m
Multiple Airlines
Mon 8/248:29 pm
LGA
-
ISP
1 stop13h 24m
Multiple Airlines
Deal found 7/14$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 July 17, 2026.

Round-trip from

$268
(Kiwi.com)

One-way from

$131
(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 July 17, 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 9/1

5:27 pm-11:15 am

1 stop17h 48m

Philadelphia

Sat 9/5

7:20 am-6:14 pm

1 stop10h 54m

$268

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 8/27

7:49 pm-8:28 pm

2 stops24h 39m

Philadelphia

Thu 9/3

7:20 am-6:14 pm

1 stop10h 54m

$292

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 8/18

5:27 pm-7:15 am

2 stops13h 48m

Philadelphia

Wed 8/19

5:16 pm-9:53 am

1 stop16h 37m

$296

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 8/11

5:27 pm-12:22 pm

2 stops18h 55m

Philadelphia

Tue 8/18

9:16 pm-9:53 am

1 stop12h 37m

$299

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 8/20

7:49 pm-8:28 pm

2 stops24h 39m

Philadelphia

Thu 8/27

7:20 am-6:14 pm

1 stop10h 54m

$304

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 8/27

7:46 pm-1:16 am

1 stop29h 30m

Philadelphia

Thu 9/3

7:20 am-6:14 pm

1 stop10h 54m

$328

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 9/1

6:00 am-2:59 pm

1 stop8h 59m

New York LaGuardia

Sat 9/5

2:29 pm-12:07 am

1 stop9h 38m

$331

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 9/1

12:55 pm-9:45 pm

2 stops8h 50m

Philadelphia

Sat 9/5

11:55 am-8:45 pm

2 stops8h 50m

$357

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 8/20

7:09 pm-5:45 pm

1 stop22h 36m

New York LaGuardia

Mon 8/24

8:29 pm-9:53 am

1 stop13h 24m

$388

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 11/2

1:55 pm-9:43 pm

1 stop7h 48m

New York John F Kennedy Intl

Sun 11/8

11:29 am-9:37 pm

1 stop10h 08m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 47 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?

    Frontier and JetBlue can get you from Islip, New York to New Jersey in just under 8h 59m. Your travel time can differ by up to 20h 31m. 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 - 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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