HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Jersey

$126+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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

Keep the following information in mind while searching for Islip to New Jersey flight deals. Data was last updated November 13, 2025.

Round-trip from

$143
(Kiwi.com)

One-way from

$126
(Kiwi.com)
From Islip Long Island to New Jersey
Search Deals
One-way flight from Islip Long Island to New Jersey
Search Deals

Find 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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/98:29 pmISP - LGA
1 stop23h 31mMultiple Airlines
Tue 12/165:45 amLGA - ISP
1 stop13h 49mMultiple Airlines
Deal found 11/10$143
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/98:29 pmISP - JFK
1 stop13h 31mFrontier
Tue 12/166:59 amJFK - ISP
1 stop12h 35mFrontier
Deal found 11/10$146
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/1110:19 amISP - PHL
1 stop14h 21mFrontier
Thu 12/188:36 pmPHL - ISP
2 stops27h 23mFrontier
Deal found 11/13$177
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/106:00 amISP - LGA
1 stop14h 00mMultiple Airlines
Wed 12/176:20 amLGA - ISP
2 stops16h 24mMultiple Airlines
Deal found 11/12$180
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/216:00 amISP - PHL
1 stop18h 30mFrontier
Mon 11/246:22 pmPHL - ISP
1 stop15h 56mFrontier
Deal found 11/12$250
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/1611:40 amISP - PHL
2 stops24h 32mMultiple Airlines
Tue 11/181:57 pmPHL - ISP
1 stop20h 40mMultiple Airlines
Deal found 11/12$255
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/2710:02 amISP - LGA
2 stops12h 36mMultiple Airlines
Mon 12/18:30 pmLGA - ISP
1 stop23h 04mMultiple Airlines
Deal found 11/12$269
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/216:00 amISP - PHL
1 stop18h 30mMultiple Airlines
Mon 11/248:59 pmPHL - ISP
2 stops14h 01mMultiple Airlines
Deal found 11/12$272
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/98:29 pmISP - JFK
1 stop13h 31mMultiple Airlines
Tue 12/164:05 pmJFK - ISP
2 stops27h 36mMultiple Airlines
Deal found 11/10$311
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 11/2611:03 amISP - LGA
1 stop8h 32mMultiple Airlines
Sun 11/306:00 amLGA - ISP
1 stop26h 02mMultiple Airlines
Deal found 11/11$316
This Priceline deal was found by Cheapflights users on 11/12. 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.
Wed 12/1011:50 amISP - JFK
1 stop6h 40mJetBlue
Wed 12/1712:30 pmJFK - ISP
1 stop7h 20mJetBlue
Deal found 11/12$456
This Mytrip deal was found by Cheapflights users on 11/13. 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.
Thu 12/117:25 amISP - PHL
2 stops16h 09mMultiple Airlines
Thu 12/188:54 pmPHL - ISP
2 stops19h 16mMultiple Airlines
Deal found 11/13$814

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 November 13, 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

Tue 12/9

8:29 pm-8:00 pm

1 stop23h 31m

New York LaGuardia

Tue 12/16

5:45 am-7:34 pm

1 stop13h 49m

$143

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 12/9

8:29 pm-10:00 am

1 stop13h 31m

New York John F Kennedy Intl

Tue 12/16

6:59 am-7:34 pm

1 stop12h 35m

$146

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 12/11

10:19 am-12:40 am

1 stop14h 21m

Philadelphia

Thu 12/18

8:36 pm-11:59 pm

2 stops27h 23m

$177

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 12/10

6:00 am-8:00 pm

1 stop14h 00m

New York LaGuardia

Wed 12/17

6:20 am-10:44 pm

2 stops16h 24m

$180

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 11/27

10:02 am-10:38 pm

2 stops12h 36m

New York LaGuardia

Mon 12/1

8:30 pm-7:34 pm

1 stop23h 04m

$269

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 11/26

11:03 am-7:35 pm

1 stop8h 32m

New York LaGuardia

Sun 11/30

6:00 am-8:02 am

1 stop26h 02m

$316

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 4/28

1:15 pm-10:55 pm

1 stop9h 40m

New York John F Kennedy Intl

Sat 5/2

5:50 am-12:56 pm

1 stop7h 06m

$340

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 12/10

11:50 am-6:30 pm

1 stop6h 40m

New York John F Kennedy Intl

Wed 12/17

12:30 pm-7:50 pm

1 stop7h 20m

$456

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 3/13

7:25 am-12:45 am

2 stops17h 20m

New York John F Kennedy Intl

Sun 3/15

6:59 am-7:11 pm

1 stop12h 12m

$802

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 12/11

7:25 am-11:34 pm

2 stops16h 09m

Philadelphia

Thu 12/18

8:54 pm-4:10 pm

2 stops19h 16m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 24 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?

    Frontier and JetBlue can get you from Islip, New York to New Jersey in just under 9h 40m. Your travel time can differ by up to 3h 51m. 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 Fort Lauderdale flights
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Orlando flights
LaGuardia to Miami flights
John F Kennedy Intl to West Palm Beach flights
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to West Palm Beach flights
John F Kennedy Intl to San Francisco flights
Newark to Las Vegas flights
John F Kennedy Intl to Tampa flights
Newark to Orlando flights
John F Kennedy Intl to Atlanta flights
LaGuardia to Orlando flights
LaGuardia to Hobby flights
John F Kennedy Intl to O'Hare Intl flights
Newark to San Francisco flights
Newark to Tampa flights
Newark to Hobby flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Hobby flights
LaGuardia to Tampa flights
LaGuardia to West Palm Beach flights
John F Kennedy Intl to Sky Harbor Intl flights
John F Kennedy Intl to New Orleans flights
LaGuardia to Atlanta flights
John F Kennedy Intl to Seattle flights
Newark to Sky Harbor Intl flights
LaGuardia to New Orleans flights
Newark to O'Hare Intl flights
LaGuardia to Las Vegas flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Austin flights
Newark to New Orleans flights
John F Kennedy Intl to Denver flights
Newark to George Bush Intcntl flights
John F Kennedy Intl to George Bush Intcntl flights
LaGuardia to Denver flights
Newark to Atlanta flights
Newark to Austin flights
Newark to Seattle flights
John F Kennedy Intl to Salt Lake City flights
John F Kennedy Intl to San Diego 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.