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Islip

$124+ Cheap flights from New Jersey to Islip, NY (ISP)

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheap flight deals from New Jersey to Islip

Keep the following information in mind while searching for New Jersey to Islip flight deals. Data was last updated June 26, 2025.

Round-trip from

$261
(FlightHub)

One-way from

$124
(Justfly.com)
From New Jersey to Islip Long Island
Search Deals
One-way flight from New Jersey to Islip Long Island
Search Deals

Find flight deals from New Jersey to Islip

Cheapest flights from New Jersey to Islip
Explore the most affordable flight options available from New Jersey to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This FlightHub deal was found by Cheapflights users on 6/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/183:55 pmPHL - ISP
1 stop21h 09mFrontier
Sun 7/206:00 amISP - PHL
1 stop15h 38mFrontier
Deal found 6/24$261
This Expedia deal was found by Cheapflights users on 6/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:40 amLGA - ISP
1 stop6h 16mJetBlue
Thu 7/311:51 pmISP - LGA
1 stop7h 55mJetBlue
Deal found 6/24$460
This Expedia deal was found by Cheapflights users on 6/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/249:40 pmJFK - ISP
1 stop13h 11mJetBlue
Thu 7/311:51 pmISP - JFK
1 stop10h 08mJetBlue
Deal found 6/24$474
This Expedia deal was found by Cheapflights users on 6/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2510:00 pmEWR - ISP
1 stop12h 51mJetBlue
Mon 7/2811:40 amISP - EWR
1 stop11h 20mJetBlue
Deal found 6/25$485
This Mytrip deal was found by Cheapflights users on 6/23. 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 9/42:24 pmPHL - ISP
3 stops23h 21mMultiple Airlines
Sun 9/77:36 pmISP - PHL
3 stops21h 34mMultiple Airlines
Deal found 6/23$555
This Mytrip deal was found by Cheapflights users on 6/24. 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 7/2410:12 amEWR - ISP
3 stops23h 52mMultiple Airlines
Thu 7/317:39 pmISP - EWR
3 stops27h 17mMultiple Airlines
Deal found 6/24$629
This Mytrip deal was found by Cheapflights users on 6/24. 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 7/248:42 amLGA - ISP
3 stops25h 22mMultiple Airlines
Thu 7/317:39 pmISP - LGA
3 stops27h 32mMultiple Airlines
Deal found 6/24$657
This JetBlue Airways deal was found by Cheapflights users on 6/24. 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.
Mon 7/72:45 pmJFK - ISP
1 stop5h 16mMultiple Airlines
Thu 7/1011:40 amISP - JFK
1 stop12h 06mMultiple Airlines
Deal found 6/24$682

Cheapflights Fare Finder

Customize your flight search to find flights from New Jersey to Islip 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 June 26, 2025.
Use the filters below to find and compare flights from New Jersey to Islip that are best for you.

Fly from

New Jersey

Fly to

Islip

Route

Depart

Return

Price

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Fri 7/18

3:55 pm-1:04 pm

1 stop21h 09m

Islip Long Island

Sun 7/20

6:00 am-9:38 pm

1 stop15h 38m

$261

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 7/24

6:40 am-12:56 pm

1 stop6h 16m

Islip Long Island

Thu 7/31

1:51 pm-9:46 pm

1 stop7h 55m

$460

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 7/24

9:40 pm-10:51 am

1 stop13h 11m

Islip Long Island

Thu 7/31

1:51 pm-11:59 pm

1 stop10h 08m

$474

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 7/25

10:00 pm-10:51 am

1 stop12h 51m

Islip Long Island

Mon 7/28

11:40 am-11:00 pm

1 stop11h 20m

$485

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Thu 9/4

2:24 pm-1:45 pm

3 stops23h 21m

Islip Long Island

Sun 9/7

7:36 pm-5:10 pm

3 stops21h 34m

$555

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 7/24

10:12 am-10:04 am

3 stops23h 52m

Islip Long Island

Thu 7/31

7:39 pm-10:56 pm

3 stops27h 17m

$629

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 7/24

8:42 am-10:04 am

3 stops25h 22m

Islip Long Island

Thu 7/31

7:39 pm-11:11 pm

3 stops27h 32m

$657

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Mon 7/7

2:45 pm-8:01 pm

1 stop5h 16m

Islip Long Island

Thu 7/10

11:40 am-11:46 pm

1 stop12h 06m

$682

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Thu 7/3

10:29 pm-7:36 pm

1 stop21h 07m

$124

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 7/17

6:59 am-11:47 pm

1 stop16h 48m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 16 results
1
2

Best time to book a flight from New Jersey to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from New Jersey 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 New Jersey to Islip

Rainfall in Islip by month

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

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

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

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated June 26, 2025.
Read through reviews of airlines operating flights from New Jersey to Islip, such as JetBlue and Frontier. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.3
Good
2,921 reviews

Boarding

7.5

Overall

7.3

Crew

8.0

Comfort

7.6

Food

6.7

Entertainment

7.3

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
2,921 reviews
JetBlue
7.3
Good
2,921 reviews

Boarding

7.5

Overall

7.3

Crew

8.0

Comfort

7.6

Food

6.7

Entertainment

7.3

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
5.9
Fair
3,296 reviews
JetBlue
7.3
Good
2,921 reviews

Boarding

7.5

Overall

7.3

Crew

8.0

Comfort

7.6

Food

6.7

Entertainment

7.3

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 New Jersey to Islip. 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 into for flights to Islip from New Jersey?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from New Jersey. Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • What are the most popular routes from New Jersey to Islip, New York?

    The most popular route from New Jersey to Islip, New York is Philadelphia - Islip Long Island. You may also consider Newark - Islip Long Island or New York John F Kennedy Intl - Islip Long Island.

  • Can I find deals for flights from New Jersey to Islip that include hotel bookings?

    Yes. In addition to deals on New Jersey to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Jersey to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Jersey to Islip.

  • Can I find deals for business class flights from New Jersey to Islip?

    Yes. Cheapflights offers flight deals from New Jersey to Islip 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 New Jersey to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from New Jersey to Islip, New York (average of $108). Flying from New Jersey to Islip, New York in November is currently the most expensive (average of $213). 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

Traveling to a place near New Jersey?

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