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$125+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
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 May 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/311:00 am
ISP
-
LGA
1 stop29h 11m
Frontier
Wed 6/108:29 pm
LGA
-
ISP
1 stop24h 28m
Frontier
Deal found 5/6$296
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/52:28 pm
ISP
-
PHL
2 stops34h 38m
Multiple Airlines
Thu 6/119:16 pm
PHL
-
ISP
1 stop23h 41m
Multiple Airlines
Deal found 5/7$363
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sun 6/289:52 pm
ISP
-
LGA
1 stop18h 09m
Frontier
Sun 7/58:29 pm
LGA
-
ISP
1 stop13h 29m
Frontier
Deal found 5/4$369
This Kiwi.com deal was found by Cheapflights users on 5/6. 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
Mon 8/37:20 am
PHL
-
ISP
1 stop6h 08m
Multiple Airlines
Deal found 5/6$396
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/119:52 pm
ISP
-
PHL
1 stop10h 59m
Frontier
Sun 6/148:30 am
PHL
-
ISP
2 stops12h 27m
Frontier
Deal found 5/6$401
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/411:00 am
ISP
-
LGA
2 stops12h 14m
Frontier
Thu 6/118:29 pm
LGA
-
ISP
1 stop24h 28m
Frontier
Deal found 5/7$405
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/195:27 pm
ISP
-
PHL
2 stops39h 27m
Multiple Airlines
Sat 5/2310:01 am
PHL
-
ISP
1 stop7h 28m
Multiple Airlines
Deal found 5/4$432
This Expedia deal was found by Cheapflights users on 5/6. 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.
Wed 6/312:25 pm
ISP
-
JFK
1 stop10h 37m
JetBlue
Wed 6/106:00 am
JFK
-
ISP
1 stop7h 39m
JetBlue
Deal found 5/6$448
This JetBlue deal was found by Cheapflights users on 5/4. 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.
Sat 6/132:22 pm
ISP
-
JFK
1 stop8h 31m
JetBlue
Tue 6/165:01 am
JFK
-
ISP
1 stop6h 29m
JetBlue
Deal found 5/4$453
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 8/1310:48 am
ISP
-
PHL
1 stop8h 31m
Frontier
Fri 8/144:30 pm
PHL
-
ISP
2 stops17h 28m
Frontier
Deal found 5/8$458
This Priceline deal was found by Cheapflights users on 5/7. 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.
Thu 6/412:25 pm
ISP
-
LGA
1 stop10h 35m
JetBlue
Thu 6/113:55 pm
LGA
-
ISP
1 stop7h 02m
JetBlue
Deal found 5/7$463
This Expedia deal was found by Cheapflights users on 5/7. 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 6/42:35 pm
ISP
-
JFK
1 stop8h 42m
JetBlue
Thu 6/119:02 pm
JFK
-
ISP
1 stop13h 38m
JetBlue
Deal found 5/7$463

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 May 9, 2026.

Round-trip from

$296
(Kiwi.com)

One-way from

$125
(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 May 9, 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

Fri 6/5

2:28 pm-1:06 am

2 stops34h 38m

Philadelphia

Thu 6/11

9:16 pm-8:57 pm

1 stop23h 41m

$363

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 6/4

11:00 am-11:14 pm

2 stops12h 14m

New York LaGuardia

Thu 6/11

8:29 pm-8:57 pm

1 stop24h 28m

$405

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 6/11

9:52 pm-8:51 am

1 stop10h 59m

Philadelphia

Sun 6/14

9:16 pm-8:57 pm

1 stop23h 41m

$417

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 5/19

5:27 pm-8:54 am

2 stops39h 27m

Philadelphia

Sat 5/23

10:01 am-5:29 pm

1 stop7h 28m

$432

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 6/13

2:22 pm-10:53 pm

1 stop8h 31m

New York John F Kennedy Intl

Tue 6/16

5:01 am-11:30 am

1 stop6h 29m

$453

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 8/13

10:48 am-7:19 pm

1 stop8h 31m

Philadelphia

Fri 8/14

4:30 pm-9:58 am

2 stops17h 28m

$458

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 6/4

12:25 pm-11:00 pm

1 stop10h 35m

New York LaGuardia

Thu 6/11

3:55 pm-10:57 pm

1 stop7h 02m

$463

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sun 6/28

7:49 pm-5:53 pm

2 stops22h 04m

New York LaGuardia

Sun 7/5

8:29 pm-9:58 am

1 stop13h 29m

$485

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 6/4

12:25 pm-10:47 pm

1 stop10h 22m

Philadelphia

Thu 6/11

7:00 am-2:59 pm

1 stop7h 59m

$558

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 5/20

11:57 am-12:25 pm

2 stops24h 28m

Philadelphia

Sun 5/24

2:31 pm-1:28 pm

1 stop22h 57m

$569

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 51 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 31m. Your travel time can differ by up to 3h 43m. 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 - 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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