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$174+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$298
(Frontier)

One-way from

$174
(FlightHub)
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 junio 12, 2025.

This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/258:00 amISP - PHL
1 stop4h 23mFrontier
sáb. 6/286:35 pmPHL - ISP
1 stop4h 17mFrontier
Deal found 6/11$298
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/111:40 amISP - JFK
1 stop10h 19mJetBlue
mié. 8/136:30 amJFK - ISP
1 stop6h 11mJetBlue
Deal found 6/10$450
This JetBlue Airways deal was found by Cheapflights users on 6/10. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/37:30 amISP - JFK
1 stop7h 45mMultiple Airlines
mar. 7/89:40 pmJFK - ISP
1 stop14h 01mMultiple Airlines
Deal found 6/10$579
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/252:55 pmISP - PHL
2 stops31h 44mMultiple Airlines
dom. 6/296:20 amPHL - ISP
2 stops12h 39mMultiple Airlines
Deal found 6/10$602
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/182:55 pmISP - LGA
3 stops32h 22mMultiple Airlines
sáb. 6/218:48 pmLGA - ISP
2 stops22h 11mMultiple Airlines
Deal found 6/11$839

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 junio 12, 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

mié. 6/25

8:00 am-12:23 pm

1 stop4h 23m

Philadelphia

sáb. 6/28

6:35 pm-10:52 pm

1 stop4h 17m

$298

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

vie. 8/1

11:40 am-9:59 pm

1 stop10h 19m

New York John F Kennedy Intl

mié. 8/13

6:30 am-12:41 pm

1 stop6h 11m

$450

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

jue. 7/3

7:30 am-3:15 pm

1 stop7h 45m

New York John F Kennedy Intl

mar. 7/8

9:40 pm-11:41 am

1 stop14h 01m

$579

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

mié. 6/25

2:55 pm-10:39 pm

2 stops31h 44m

Philadelphia

dom. 6/29

6:20 am-6:59 pm

2 stops12h 39m

$602

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

vie. 6/20

8:21 pm-11:48 pm

1 stop27h 27m

$174

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

mar. 7/15

12:35 pm-7:25 pm

1 stop6h 50m

$208

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

vie. 7/25

11:40 am-8:30 pm

1 stop8h 50m

$258

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 6/23

2:05 pm-7:29 am

2 stops17h 24m

$305

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

vie. 6/20

10:44 am-5:00 pm

3 stops30h 16m

$320

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

dom. 7/6

7:39 pm-11:21 pm

2 stops27h 42m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 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

Rainfall in New Jersey by month

Plan your trip to New Jersey by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New Jersey ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit New Jersey when rainfall is around 2.9 in.

Temperature in New Jersey by month

Plan your trip to New Jersey by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New Jersey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing New Jersey

Get insights into the airlines that provide service to New Jersey. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Jersey. Reviews last updated junio 12, 2025.
JetBlue
7.3
Good
2,925 reviews

Boarding

7.5

Comfort

7.6

Entertainment

7.3

Overall

7.3

Food

6.7

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job
JetBlue
7.3
Good
2,925 reviews
JetBlue
7.3
Good
2,925 reviews

Boarding

7.5

Comfort

7.6

Entertainment

7.3

Overall

7.3

Food

6.7

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job
Frontier
6.0
Okay
3,295 reviews
JetBlue
7.3
Good
2,925 reviews

Boarding

7.5

Comfort

7.6

Entertainment

7.3

Overall

7.3

Food

6.7

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

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.

  • 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.

  • What is the cheapest month to book a flight from Islip, New York to New Jersey?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to New Jersey (average of $228). Flying from Islip, New York to New Jersey in June is currently the most expensive (average of $307). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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