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$111+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
ene. 8 — ene. 151
jue. 1/8
jue. 1/15
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 diciembre 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
sáb. 12/1310:19 amISP - JFK
2 stops14h 40mFrontier
mar. 12/166:59 amJFK - ISP
1 stop12h 35mFrontier
Deal found 12/9$301
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
mar. 12/168:29 pmISP - PHL
1 stop16h 20mFrontier
mié. 12/174:00 pmPHL - ISP
1 stop8h 38mFrontier
Deal found 12/7$325
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
jue. 12/1110:19 amISP - PHL
1 stop10h 20mMultiple Airlines
sáb. 12/134:34 pmPHL - ISP
1 stop17h 46mMultiple Airlines
Deal found 12/7$357
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
mar. 12/168:29 pmISP - JFK
1 stop13h 31mFrontier
sáb. 12/201:24 pmJFK - ISP
1 stop10h 35mFrontier
Deal found 12/6$415
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
vie. 12/128:29 pmISP - PHL
1 stop19h 10mMultiple Airlines
dom. 12/144:34 pmPHL - ISP
1 stop16h 39mMultiple Airlines
Deal found 12/8$446
This Kiwi.com deal was found by Cheapflights users on 12/9. 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. 12/245:27 pmISP - JFK
1 stop16h 33mFrontier
dom. 12/287:59 amJFK - ISP
1 stop29h 10mFrontier
Deal found 12/9$637
This Kiwi.com deal was found by Cheapflights users on 12/9. 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. 12/244:40 pmISP - LGA
1 stop23h 00mMultiple Airlines
dom. 12/285:30 pmLGA - ISP
1 stop20h 15mMultiple Airlines
Deal found 12/9$645
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
mar. 12/236:25 amISP - JFK
1 stop30h 04mFrontier
sáb. 12/271:24 pmJFK - ISP
1 stop10h 35mFrontier
Deal found 12/8$647
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
mar. 12/2312:20 pmISP - LGA
1 stop7h 40mMultiple Airlines
sáb. 12/2712:58 pmLGA - ISP
2 stops11h 01mMultiple Airlines
Deal found 12/8$649
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
mar. 12/167:25 amISP - PHL
2 stops11h 30mMultiple Airlines
mié. 12/175:30 amPHL - ISP
1 stop19h 08mMultiple Airlines
Deal found 12/7$649
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
mar. 12/2311:40 amISP - JFK
2 stops24h 49mMultiple Airlines
sáb. 12/271:24 pmJFK - ISP
1 stop10h 35mMultiple Airlines
Deal found 12/8$657
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
vie. 12/268:35 pmISP - JFK
1 stop13h 25mMultiple Airlines
lun. 12/296:20 amJFK - ISP
2 stops13h 20mMultiple Airlines
Deal found 12/6$685

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 diciembre 9, 2025.

Round-trip from

$331
(Mytrip)

One-way from

$111
(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 diciembre 9, 2025.
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

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

lun. 2/16

2:31 pm-7:35 pm

1 stop5h 04m

New York LaGuardia

sáb. 2/21

12:30 pm-9:47 am

1 stop21h 17m

$356

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

mié. 2/11

9:22 am-11:48 pm

3 stops14h 26m

New York LaGuardia

dom. 2/22

7:30 am-8:42 am

3 stops25h 12m

$359

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

lun. 2/16

2:31 pm-7:35 pm

1 stop5h 04m

New York LaGuardia

dom. 2/22

12:30 pm-1:31 pm

2 stops25h 01m

$361

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

mié. 2/11

7:41 pm-3:28 pm

1 stop19h 47m

New York John F Kennedy Intl

dom. 2/22

4:27 pm-1:31 pm

2 stops21h 04m

$372

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

mié. 2/11

11:00 am-9:04 pm

1 stop10h 04m

New York John F Kennedy Intl

dom. 2/22

5:45 pm-1:46 pm

1 stop20h 01m

$401

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 2/16

1:26 pm-10:57 pm

1 stop9h 31m

New York John F Kennedy Intl

sáb. 2/21

8:50 pm-8:40 am

1 stop11h 50m

$623

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 2/16

1:26 pm-9:54 pm

1 stop8h 28m

New York John F Kennedy Intl

dom. 2/22

8:10 pm-10:02 am

1 stop13h 52m

$628

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

mié. 12/24

5:27 pm-10:00 am

1 stop16h 33m

New York John F Kennedy Intl

dom. 12/28

7:59 am-1:09 pm

1 stop29h 10m

$637

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

mié. 12/24

4:40 pm-3:40 pm

1 stop23h 00m

New York LaGuardia

dom. 12/28

5:30 pm-1:45 pm

1 stop20h 15m

$645

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

mar. 12/23

6:25 am-12:29 pm

1 stop30h 04m

New York John F Kennedy Intl

sáb. 12/27

1:24 pm-11:59 pm

1 stop10h 35m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 30 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?

    JetBlue and Frontier can get you from Islip, New York to New Jersey in just under 10h 04m. Your travel time can differ by up to 6h 29m. 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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