HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Jersey

$155+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Sep 6 — Sep 131
Sun 9/6
Sun 9/13
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 August 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Tue 9/151:38 pm -
2 stops10h 31m
Thu 9/175:45 pm -
1 stop23h 13m
Deal found 8/6$267
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/15:27 pm -
2 stops13h 48m
Tue 9/87:25 am -
1 stop9h 22m
Deal found 8/2$272
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/105:43 pm -
1 stop15h 22m
Thu 9/178:41 am -
2 stops32h 17m
Deal found 8/3$285
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/175:43 pm -
1 stop15h 22m
Thu 9/241:45 pm -
1 stop30h 14m
Deal found 8/2$286
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Tue 9/155:43 pm -
1 stop15h 47m
Thu 9/177:15 am -
1 stop9h 43m
Deal found 8/6$308
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/221:38 pm -
2 stops10h 31m
Thu 9/241:45 pm -
1 stop30h 14m
Deal found 8/4$315
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/175:43 pm -
1 stop15h 22m
Thu 9/248:02 pm -
2 stops20h 56m
Deal found 8/2$329
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/107:31 pm -
2 stops37h 34m
Thu 9/173:30 pm -
1 stop25h 28m
Deal found 8/5$352
This Priceline deal was found by Cheapflights users on 8/4. 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 9/26:00 am -
1 stop8h 54m
Wed 9/96:05 am -
1 stop9h 31m
Deal found 8/4$353
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:35 pm -
2 stops9h 10m
Thu 9/1712:45 pm -
2 stops9h 25m
Deal found 8/3$377
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/317:09 pm -
2 stops20h 51m
Mon 9/78:29 pm -
1 stop13h 24m
Deal found 8/2$411
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Sun 8/3010:57 am -
2 stops29h 03m
Sun 9/68:29 pm -
1 stop13h 24m
Deal found 8/2$415

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 August 7, 2026.

Round-trip from

$272
(Kiwi.com)

One-way from

$155
(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 August 7, 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 Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Tue 9/15

1:38 pm-12:09 am

2 stops10h 31m

Philadelphia

Thu 9/17

5:45 pm-4:58 pm

1 stop23h 13m

$267

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Tue 9/1

5:27 pm-7:15 am

2 stops13h 48m

Philadelphia

Tue 9/8

7:25 am-4:47 pm

1 stop9h 22m

$272

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Thu 9/10

5:43 pm-9:05 am

1 stop15h 22m

Philadelphia

Thu 9/17

8:41 am-4:58 pm

2 stops32h 17m

$285

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Tue 9/15

5:43 pm-9:30 am

1 stop15h 47m

Philadelphia

Thu 9/17

7:15 am-4:58 pm

1 stop9h 43m

$308

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Tue 9/22

1:38 pm-12:09 am

2 stops10h 31m

Philadelphia

Thu 9/24

1:45 pm-7:59 pm

1 stop30h 14m

$315

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Thu 9/17

5:43 pm-9:05 am

1 stop15h 22m

Philadelphia

Thu 9/24

8:02 pm-4:58 pm

2 stops20h 56m

$329

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Thu 9/10

7:31 pm-9:05 am

2 stops37h 34m

Philadelphia

Thu 9/17

3:30 pm-4:58 pm

1 stop25h 28m

$352

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Thu 9/10

12:35 pm-9:45 pm

2 stops9h 10m

Philadelphia

Thu 9/17

12:45 pm-10:10 pm

2 stops9h 25m

$377

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Tue 9/22

6:05 am-2:05 pm

2 stops8h 00m

Philadelphia

Thu 9/24

2:05 pm-10:10 pm

2 stops8h 05m

$377

IslipPhiladelphia

ISP Islip Long Island - PHL Philadelphia

ISPPHL

Islip Long Island

Thu 9/17

12:35 pm-9:45 pm

2 stops9h 10m

Philadelphia

Thu 9/24

2:05 pm-10:10 pm

2 stops8h 05m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 40 resultsSorted by cheapest first
1
2
3
4

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 8h 59m. Your travel time can differ by up to 6h 23m. Airlines will cover a distance of 41 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

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.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
Newark to Orlando flights
John F Kennedy Intl to Miami flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Los Angeles flights
LaGuardia to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to O'Hare Intl flights
Newark to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Newark to Las Vegas flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Atlanta flights
LaGuardia to O'Hare Intl flights
Newark to Seattle flights
John F Kennedy Intl to Atlanta flights
Stewart to San Francisco flights
LaGuardia to Los Angeles flights
Newark to Tampa flights
LaGuardia to Hobby flights
John F Kennedy Intl to Ontario flights
John F Kennedy Intl to Tampa flights
Newark to Denver flights
John F Kennedy Intl to Denver flights
Newark to Sky Harbor Intl flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Atlanta flights
LaGuardia to Las Vegas flights
LaGuardia to Denver flights
LaGuardia to Tampa flights
Newark to Hobby flights
Newark to New Orleans flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Midway flights
John F Kennedy Intl to Hobby flights
Newark to Nashville flights
White Plains to Orlando flights
Newark to Austin flights
LaGuardia to New Orleans 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.