HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Jersey

$121+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to New Jersey with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/1111:40 amISP - PHL
2 stops11h 54mMultiple Airlines
Sun 12/144:34 pmPHL - ISP
1 stop16h 39mMultiple Airlines
Deal found 12/2$268
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/82:25 pmISP - PHL
1 stop21h 38mMultiple Airlines
Tue 12/910:00 pmPHL - ISP
1 stop24h 44mMultiple Airlines
Deal found 12/2$319
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/82:25 pmISP - PHL
1 stop21h 38mMultiple Airlines
Wed 12/1012:20 pmPHL - ISP
2 stops10h 24mMultiple Airlines
Deal found 12/2$330
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/810:19 amISP - PHL
2 stops23h 28mFrontier
Tue 12/910:00 pmPHL - ISP
1 stop24h 44mFrontier
Deal found 12/2$379
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/36:00 amISP - PHL
1 stop28h 00mFrontier
Wed 12/106:32 pmPHL - ISP
2 stops29h 27mFrontier
Deal found 12/2$381
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/168:29 pmISP - JFK
1 stop13h 31mFrontier
Sat 12/207:59 amJFK - ISP
1 stop9h 56mFrontier
Deal found 12/2$399
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/168:29 pmISP - LGA
1 stop19h 00mMultiple Airlines
Sat 12/206:30 amLGA - ISP
1 stop11h 25mMultiple Airlines
Deal found 12/2$409
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/610:19 amISP - PHL
1 stop14h 21mFrontier
Mon 12/82:06 pmPHL - ISP
1 stop29h 28mFrontier
Deal found 12/2$431
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/58:29 pmISP - PHL
1 stop13h 31mMultiple Airlines
Sun 12/75:30 amPHL - ISP
1 stop27h 43mMultiple Airlines
Deal found 12/2$432
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/36:00 amISP - PHL
1 stop28h 00mMultiple Airlines
Wed 12/105:30 amPHL - ISP
1 stop17h 14mMultiple Airlines
Deal found 12/2$433
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/184:40 pmISP - LGA
1 stop17h 24mMultiple Airlines
Mon 12/2212:58 pmLGA - ISP
2 stops24h 41mMultiple Airlines
Deal found 12/3$455
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:55 pmISP - LGA
3 stops27h 05mMultiple Airlines
Sun 12/146:00 amLGA - ISP
3 stops28h 36mMultiple Airlines
Deal found 12/3$473

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 December 4, 2025.

Round-trip from

$133
(Kiwi.com)

One-way from

$121
(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 December 4, 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

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 1/22

11:55 am-1:33 pm

2 stops25h 38m

Philadelphia

Wed 1/28

8:43 pm-6:48 pm

1 stop22h 05m

$133

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Mon 3/9

8:19 pm-11:05 am

1 stop14h 46m

New York LaGuardia

Fri 3/13

6:30 am-7:11 pm

1 stop12h 41m

$263

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 1/24

11:05 am-10:03 pm

1 stop10h 58m

New York John F Kennedy Intl

Mon 1/26

8:00 pm-8:52 am

1 stop12h 52m

$270

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 1/24

11:05 am-9:37 pm

1 stop10h 32m

New York LaGuardia

Mon 1/26

9:35 pm-8:52 am

1 stop11h 17m

$278

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 3/6

8:10 am-2:42 pm

1 stop6h 32m

New York John F Kennedy Intl

Sat 3/7

6:40 am-2:28 pm

1 stop7h 48m

$344

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 4/1

12:35 pm-11:15 pm

1 stop10h 40m

Philadelphia

Sat 4/4

6:00 am-11:17 am

1 stop5h 17m

$350

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 12/16

8:29 pm-10:00 am

1 stop13h 31m

New York John F Kennedy Intl

Sat 12/20

7:59 am-5:55 pm

1 stop9h 56m

$399

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 12/16

8:29 pm-3:29 pm

1 stop19h 00m

New York LaGuardia

Sat 12/20

6:30 am-5:55 pm

1 stop11h 25m

$409

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 12/18

4:40 pm-10:04 am

1 stop17h 24m

New York LaGuardia

Mon 12/22

12:58 pm-1:39 pm

2 stops24h 41m

$455

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Mon 12/22

4:40 pm-10:04 am

1 stop17h 24m

New York LaGuardia

Sat 12/27

6:30 am-1:39 pm

2 stops31h 09m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 22 results
1
2
3

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 58m. Your travel time can differ by up to 2h 33m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to New Jersey

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to Miami flights
John F Kennedy Intl to Los Angeles flights
Newark to West Palm Beach flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Newark to Las Vegas flights
John F Kennedy Intl to Orlando flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to San Francisco flights
Newark to Orlando flights
Newark to Los Angeles flights
LaGuardia to Orlando flights
John F Kennedy Intl to Tampa flights
LaGuardia to Tampa flights
John F Kennedy Intl to Atlanta flights
LaGuardia to Hobby flights
Newark to San Francisco flights
John F Kennedy Intl to Sky Harbor Intl flights
Newark to Tampa flights
John F Kennedy Intl to Hobby flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Denver flights
Newark to Sky Harbor Intl flights
LaGuardia to Las Vegas flights
LaGuardia to West Palm Beach flights
Newark to Hobby flights
John F Kennedy Intl to Seattle flights
LaGuardia to Atlanta flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to New Orleans flights
Newark to New Orleans flights
Newark to Denver flights
John F Kennedy Intl to Austin flights
Newark to George Bush Intcntl flights
LaGuardia to Denver flights
John F Kennedy Intl to George Bush Intcntl flights
John F Kennedy Intl to Salt Lake City flights
LaGuardia to George Bush Intcntl flights
LaGuardia to San Francisco flights
Newark to Salt Lake City flights
LaGuardia to New Orleans flights
John F Kennedy Intl to Honolulu flights
Newark to Atlanta flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.