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$204+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
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 June 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Mon 9/214:13 pm
ISP
-
PHL
1 stop17h 19m
Multiple Airlines
Fri 9/255:28 pm
PHL
-
ISP
2 stops17h 52m
Multiple Airlines
Deal found 6/20$368
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Mon 9/214:13 pm
ISP
-
PHL
1 stop17h 19m
Frontier
Fri 9/255:57 pm
PHL
-
ISP
1 stop15h 36m
Frontier
Deal found 6/20$370
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sat 8/111:57 am
ISP
-
PHL
1 stop11h 32m
Multiple Airlines
Sat 8/84:30 pm
PHL
-
ISP
2 stops26h 39m
Multiple Airlines
Deal found 6/17$371
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 8/142:28 pm
ISP
-
PHL
1 stop6h 48m
Multiple Airlines
Sun 8/164:30 pm
PHL
-
ISP
2 stops20h 58m
Multiple Airlines
Deal found 6/20$390
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:49 pm
ISP
-
PHL
2 stops36h 50m
Multiple Airlines
Tue 7/219:16 pm
PHL
-
ISP
1 stop12h 37m
Multiple Airlines
Deal found 6/18$393
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/102:28 pm
ISP
-
PHL
1 stop20h 47m
Multiple Airlines
Mon 7/136:33 pm
PHL
-
ISP
2 stops22h 14m
Multiple Airlines
Deal found 6/19$423
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:58 pm
ISP
-
JFK
1 stop8h 20m
JetBlue
Wed 7/1512:00 pm
JFK
-
ISP
1 stop9h 44m
JetBlue
Deal found 6/18$427
This JetBlue deal was found by Cheapflights users on 6/18. 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.
Tue 9/227:00 am
ISP
-
JFK
1 stop7h 07m
JetBlue
Sat 9/264:30 pm
JFK
-
ISP
1 stop6h 52m
JetBlue
Deal found 6/18$433
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:57 am
ISP
-
PHL
1 stop11h 32m
Multiple Airlines
Wed 7/88:30 am
PHL
-
ISP
2 stops34h 39m
Multiple Airlines
Deal found 6/18$435
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:58 pm
ISP
-
PHL
1 stop6h 55m
JetBlue
Tue 7/218:05 am
PHL
-
ISP
1 stop13h 39m
JetBlue
Deal found 6/18$443
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Sat 6/2011:57 am
ISP
-
PHL
1 stop11h 32m
Multiple Airlines
Mon 6/227:22 pm
PHL
-
ISP
1 stop21h 25m
Multiple Airlines
Deal found 6/19$453
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/32:28 pm
ISP
-
PHL
1 stop9h 01m
Multiple Airlines
Sat 7/47:20 am
PHL
-
ISP
1 stop3h 57m
Multiple Airlines
Deal found 6/17$464

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 June 21, 2026.

Round-trip from

$368
(Kiwi.com)

One-way from

$204
(Priceline)
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 June 21, 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

Mon 9/21

4:13 pm-9:32 am

1 stop17h 19m

Philadelphia

Fri 9/25

5:57 pm-9:33 am

1 stop15h 36m

$370

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 7/16

7:49 pm-8:39 am

2 stops36h 50m

Philadelphia

Tue 7/21

9:16 pm-9:53 am

1 stop12h 37m

$393

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 7/10

2:28 pm-11:15 am

1 stop20h 47m

Philadelphia

Mon 7/13

6:33 pm-4:47 pm

2 stops22h 14m

$423

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 7/9

4:58 pm-1:18 am

1 stop8h 20m

New York John F Kennedy Intl

Wed 7/15

12:00 pm-9:44 pm

1 stop9h 44m

$427

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 9/22

7:00 am-2:07 pm

1 stop7h 07m

New York John F Kennedy Intl

Sat 9/26

4:30 pm-11:22 pm

1 stop6h 52m

$433

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 7/4

11:57 am-11:29 pm

1 stop11h 32m

Philadelphia

Wed 7/8

8:30 am-7:09 pm

2 stops34h 39m

$435
Quickest round-trip

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 7/3

2:28 pm-11:29 pm

1 stop9h 01m

Philadelphia

Sat 7/4

7:20 am-11:17 am

1 stop3h 57m

$464

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 8/14

2:28 pm-9:16 pm

1 stop6h 48m

Philadelphia

Sun 8/16

6:12 pm-9:53 am

1 stop15h 41m

$465

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 7/8

3:07 pm-11:59 pm

1 stop8h 52m

New York John F Kennedy Intl

Mon 7/13

9:29 am-9:44 pm

1 stop12h 15m

$467

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 7/3

3:07 pm-11:02 pm

1 stop7h 55m

New York LaGuardia

Tue 7/7

12:00 pm-10:58 pm

1 stop10h 58m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 42 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 20m. Your travel time can differ by up to 8h 59m. 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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