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$182+ Cheap flights from Islip, NY (ISP) to New Jersey

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
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 enero 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
mié. 2/1111:50 am
ISP
-
PHL
1 stop9h 55m
Multiple Airlines
jue. 3/55:30 am
PHL
-
ISP
1 stop9h 09m
Multiple Airlines
Deal found 1/27$182
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
mié. 2/1111:50 am
ISP
-
LGA
1 stop7h 59m
Multiple Airlines
dom. 2/157:40 am
LGA
-
ISP
2 stops11h 26m
Multiple Airlines
Deal found 1/27$294
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
lun. 3/231:22 pm
ISP
-
PHL
1 stop22h 19m
Frontier
jue. 3/2610:33 pm
PHL
-
ISP
1 stop14h 14m
Frontier
Deal found 1/28$298
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
lun. 3/231:22 pm
ISP
-
PHL
2 stops19h 17m
Multiple Airlines
jue. 3/2610:33 pm
PHL
-
ISP
1 stop14h 14m
Multiple Airlines
Deal found 1/28$321
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
dom. 3/224:34 pm
ISP
-
PHL
2 stops31h 42m
Multiple Airlines
jue. 3/2610:33 pm
PHL
-
ISP
1 stop14h 14m
Multiple Airlines
Deal found 1/28$338
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
dom. 3/154:34 pm
ISP
-
PHL
1 stop15h 02m
Multiple Airlines
sáb. 3/216:21 am
PHL
-
ISP
2 stops36h 25m
Multiple Airlines
Deal found 1/28$430
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
jue. 2/123:34 pm
ISP
-
LGA
1 stop7h 47m
Multiple Airlines
lun. 2/168:44 pm
LGA
-
ISP
2 stops38h 26m
Multiple Airlines
Deal found 1/28$437
This JetBlue deal was found by Cheapflights users on 1/26. 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.
lun. 3/21:22 pm
ISP
-
JFK
1 stop10h 47m
JetBlue
mié. 3/46:40 am
JFK
-
ISP
1 stop7h 38m
JetBlue
Deal found 1/26$443
This Expedia deal was found by Cheapflights users on 1/27. 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.
mié. 2/1111:10 am
ISP
-
LGA
1 stop12h 29m
JetBlue
dom. 2/159:30 pm
LGA
-
ISP
1 stop11h 09m
JetBlue
Deal found 1/27$746
This Expedia deal was found by Cheapflights users on 1/27. 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.
mié. 2/119:59 am
ISP
-
JFK
1 stop3h 34m
Multiple Airlines
dom. 2/151:10 pm
JFK
-
ISP
1 stop5h 34m
Multiple Airlines
Deal found 1/27$749
This Expedia deal was found by Cheapflights users on 1/28. 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.
jue. 2/129:29 am
ISP
-
JFK
1 stop6h 49m
JetBlue
lun. 2/168:10 pm
JFK
-
ISP
1 stop13h 52m
JetBlue
Deal found 1/28$769

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 enero 29, 2026.

Round-trip from

$182
(Kiwi.com)
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 enero 29, 2026.
Use the filters below to find and compare flights from Islip to New Jersey that are best for you.

Fly from

Islip

Fly to

New Jersey

Route

Depart

Return

Price

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

mié. 2/11

11:50 am-9:45 pm

1 stop9h 55m

Philadelphia

jue. 3/5

5:30 am-2:39 pm

1 stop9h 09m

$182

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

mié. 2/11

11:50 am-7:49 pm

1 stop7h 59m

New York LaGuardia

dom. 2/15

7:40 am-7:06 pm

2 stops11h 26m

$294

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

lun. 3/23

1:22 pm-11:41 am

1 stop22h 19m

Philadelphia

jue. 3/26

10:33 pm-12:47 pm

1 stop14h 14m

$298

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

lun. 3/23

1:22 pm-8:39 am

2 stops19h 17m

Philadelphia

jue. 3/26

10:33 pm-12:47 pm

1 stop14h 14m

$321

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

dom. 3/22

4:34 pm-12:16 am

2 stops31h 42m

Philadelphia

jue. 3/26

10:33 pm-12:47 pm

1 stop14h 14m

$338

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

dom. 3/15

4:34 pm-7:36 am

1 stop15h 02m

Philadelphia

sáb. 3/21

6:21 am-6:46 pm

2 stops36h 25m

$430

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

jue. 2/12

3:34 pm-11:21 pm

1 stop7h 47m

New York LaGuardia

lun. 2/16

8:44 pm-11:10 am

2 stops38h 26m

$437

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 3/2

1:22 pm-12:09 am

1 stop10h 47m

New York John F Kennedy Intl

mié. 3/4

6:40 am-2:18 pm

1 stop7h 38m

$443

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

mié. 2/11

11:10 am-11:39 pm

1 stop12h 29m

New York LaGuardia

dom. 2/15

9:30 pm-8:39 am

1 stop11h 09m

$746

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

mié. 2/11

9:59 am-1:33 pm

1 stop3h 34m

New York John F Kennedy Intl

dom. 2/15

1:10 pm-6:44 pm

1 stop5h 34m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 18 results
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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 10h 47m. Your travel time can differ by up to 11h 32m. 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 - Philadelphia, Islip Long Island - New York John F Kennedy Intl 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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