HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Jersey

$128+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
May 3 — May 101
Sun 5/3
Sun 5/10
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 April 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/274:07 pm
ISP
-
PHL
1 stop26h 31m
Frontier
Mon 5/48:41 pm
PHL
-
ISP
2 stops14h 19m
Frontier
Deal found 3/30$219
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 6/26:02 pm
ISP
-
LGA
1 stop22h 09m
Frontier
Mon 6/88:15 pm
LGA
-
ISP
1 stop19h 41m
Frontier
Deal found 4/2$228
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 4/1511:50 am
ISP
-
PHL
2 stops19h 51m
Multiple Airlines
Thu 4/2310:38 pm
PHL
-
ISP
1 stop10h 35m
Multiple Airlines
Deal found 3/29$264
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Fri 5/18:31 pm
ISP
-
LGA
2 stops24h 28m
Multiple Airlines
Fri 5/812:59 pm
LGA
-
ISP
1 stop28h 30m
Multiple Airlines
Deal found 4/3$273
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/174:07 pm
ISP
-
LGA
1 stop22h 22m
Multiple Airlines
Tue 4/214:59 pm
LGA
-
ISP
1 stop18h 11m
Multiple Airlines
Deal found 4/2$281
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Wed 4/2211:50 am
ISP
-
PHL
1 stop5h 27m
Multiple Airlines
Wed 4/227:56 pm
PHL
-
ISP
1 stop13h 37m
Multiple Airlines
Deal found 4/3$281
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/164:07 pm
ISP
-
PHL
1 stop15h 34m
Multiple Airlines
Mon 4/2010:38 pm
PHL
-
ISP
2 stops36h 32m
Multiple Airlines
Deal found 4/1$284
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/1511:50 am
ISP
-
PHL
2 stops21h 06m
Multiple Airlines
Sun 4/1910:38 pm
PHL
-
ISP
1 stop10h 35m
Multiple Airlines
Deal found 3/31$286
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/234:07 pm
ISP
-
LGA
1 stop23h 57m
Frontier
Wed 4/298:25 pm
LGA
-
ISP
1 stop13h 08m
Frontier
Deal found 3/31$296
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 8/281:00 pm
ISP
-
LGA
1 stop9h 10m
Multiple Airlines
Mon 9/78:29 pm
LGA
-
ISP
1 stop19h 27m
Multiple Airlines
Deal found 3/31$298
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Sat 4/1811:50 am
ISP
-
LGA
2 stops10h 25m
Multiple Airlines
Wed 4/228:25 pm
LGA
-
ISP
1 stop13h 08m
Multiple Airlines
Deal found 4/3$300
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/174:07 pm
ISP
-
LGA
1 stop22h 22m
Multiple Airlines
Sun 4/198:25 pm
LGA
-
ISP
1 stop12h 48m
Multiple Airlines
Deal found 3/31$348

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 April 3, 2026.

Round-trip from

$219
(Kiwi.com)

One-way from

$128
(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 April 3, 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

Mon 4/27

4:07 pm-6:38 pm

1 stop26h 31m

Philadelphia

Mon 5/4

10:38 pm-11:00 am

1 stop12h 22m

$223

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 6/2

6:02 pm-4:11 pm

1 stop22h 09m

New York LaGuardia

Mon 6/8

8:15 pm-3:56 pm

1 stop19h 41m

$228

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 4/15

11:50 am-7:41 am

2 stops19h 51m

Philadelphia

Thu 4/23

10:38 pm-9:13 am

1 stop10h 35m

$264

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 5/1

8:31 pm-8:59 pm

2 stops24h 28m

New York LaGuardia

Fri 5/8

12:59 pm-5:29 pm

1 stop28h 30m

$273

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 4/17

4:07 pm-2:29 pm

1 stop22h 22m

New York LaGuardia

Tue 4/21

4:59 pm-11:10 am

1 stop18h 11m

$281

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 4/22

11:50 am-5:17 pm

1 stop5h 27m

Philadelphia

Wed 4/22

7:56 pm-9:33 am

1 stop13h 37m

$281

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 4/23

4:07 pm-4:04 pm

1 stop23h 57m

New York LaGuardia

Wed 4/29

8:25 pm-9:33 am

1 stop13h 08m

$296

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 8/28

1:00 pm-10:10 pm

1 stop9h 10m

New York LaGuardia

Mon 9/7

8:29 pm-3:56 pm

1 stop19h 27m

$298

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 4/18

11:50 am-10:15 pm

2 stops10h 25m

New York LaGuardia

Wed 4/22

8:25 pm-9:33 am

1 stop13h 08m

$300

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 4/29

6:49 pm-5:20 pm

2 stops46h 31m

New York LaGuardia

Wed 5/6

8:15 pm-10:27 am

1 stop14h 12m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
...
6

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 11h 55m. Your travel time can differ by up to 14h 36m. 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

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 San Francisco flights
Newark to San Francisco flights
John F Kennedy Intl to Miami flights
LaGuardia to Miami flights
John F Kennedy Intl to Las Vegas flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Orlando flights
Newark to Miami flights
LaGuardia to San Francisco flights
Newark to Los Angeles flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Dallas/Fort Worth flights
Newark to Orlando flights
LaGuardia to Dallas/Fort Worth flights
LaGuardia to Orlando flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Las Vegas flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to Seattle flights
LaGuardia to Atlanta flights
Newark to Seattle flights
LaGuardia to Las Vegas flights
Newark to West Palm Beach flights
Newark to Tampa flights
Newark to O'Hare Intl flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Tampa flights
Newark to New Orleans flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Atlanta flights
LaGuardia to West Palm Beach flights
Newark to Sky Harbor Intl flights
LaGuardia to New Orleans flights
LaGuardia to Tampa flights
Newark to Denver flights
LaGuardia to Hobby flights
John F Kennedy Intl to Denver flights
John F Kennedy Intl to Nashville flights
John F Kennedy Intl to New Orleans flights
LaGuardia to Denver flights
Newark to Nashville flights
Newark to Austin flights
Newark to Atlanta flights
LaGuardia to Nashville flights
John F Kennedy Intl to Hobby flights
John F Kennedy Intl to George Bush Intcntl 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.
Site
©2026 Cheapflights