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$155+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
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 July 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Thu 8/207:09 pm
ISP
-
PHL
2 stops25h 19m
Frontier
Thu 8/279:20 am
PHL
-
ISP
1 stop8h 54m
Frontier
Deal found 7/11$254
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Tue 8/255:27 pm
ISP
-
PHL
2 stops13h 48m
Multiple Airlines
Tue 9/15:16 pm
PHL
-
ISP
1 stop16h 37m
Multiple Airlines
Deal found 7/11$281
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 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 7/11. 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.
Thu 8/137:49 pm
ISP
-
LGA
2 stops24h 55m
Multiple Airlines
Wed 8/198:29 pm
LGA
-
ISP
1 stop13h 24m
Multiple Airlines
Deal found 7/11$386
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
This JetBlue deal was found by Cheapflights users on 7/10. 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 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
Wed 9/212:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Deal found 7/10$405
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
ISP
-
JFK
1 stop8h 54m
JetBlue
Tue 8/186:00 am
JFK
-
ISP
1 stop13h 33m
JetBlue
Deal found 7/14$405
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.
Wed 7/2911:57 am
ISP
-
PHL
1 stop22h 00m
Multiple Airlines
Sun 8/211:03 am
PHL
-
ISP
1 stop26h 25m
Multiple Airlines
Deal found 7/15$442

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 15, 2026.

Round-trip from

$244
(Kiwi.com)

One-way from

$155
(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 15, 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

Thu 8/20

7:09 pm-8:28 pm

2 stops25h 19m

Philadelphia

Thu 8/27

9:20 am-6:14 pm

1 stop8h 54m

$254

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 8/25

5:27 pm-7:15 am

2 stops13h 48m

Philadelphia

Tue 9/1

5:16 pm-9:53 am

1 stop16h 37m

$281

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

Thu 8/13

7:49 pm-8:44 pm

2 stops24h 55m

New York LaGuardia

Wed 8/19

8:29 pm-9:53 am

1 stop13h 24m

$386

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 - LGA

ISPLGA

Islip Long Island

Thu 8/13

6:00 am-7:50 pm

1 stop13h 50m

New York LaGuardia

Wed 8/19

12:00 pm-9:44 pm

1 stop9h 44m

$405

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 9/1

6:00 am-1:32 pm

1 stop7h 32m

New York LaGuardia

Wed 9/2

12:00 pm-9:44 pm

1 stop9h 44m

$405

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 8/11

6:00 am-2:54 pm

1 stop8h 54m

New York John F Kennedy Intl

Tue 8/18

6:00 am-7:33 pm

1 stop13h 33m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

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?

    Frontier and JetBlue can get you from Islip, New York to New Jersey in just under 13h 50m. Your travel time can differ by up to 11h 29m. 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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See prices for flight routes from nearby airports that may be better suited for you.
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