What is the cheapest month to book a flight from Islip, New York to New York John F Kennedy Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to New York John F Kennedy Intl Airport (average of $236). Flying from Islip, New York to New York John F Kennedy Intl Airport in July is currently the most expensive (average of $319). 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.

In terms of precipitation, rainfall in New York John F Kennedy Intl Airport ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit New York John F Kennedy Intl Airport when rainfall is around 2.8 in.

If weather is an important factor for your trip to New York John F Kennedy Intl Airport, 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 33.8 F).

What is the cheapest time of day to fly from ISP to JFK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to New York John F Kennedy Intl Airport as you normally would.

What airport do you fly from for flights from Islip to New York John F Kennedy Intl?

Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to New York John F Kennedy Intl. You should not have trouble finding flights to New York John F Kennedy Intl from Long Island; the airport handles an average of 0 outbound flights to New York John F Kennedy Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Islip airport to New York John F Kennedy Intl. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

Can I find deals for flights from Islip to John F Kennedy Intl that include hotel bookings?

Yes. In addition to deals on Islip to John F Kennedy Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Islip to John F Kennedy Intl?

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

Can I find deals for business class flights from Islip to John F Kennedy Intl?

Yes. Cheapflights offers flight deals from Islip to John F Kennedy Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$152+ Flights from Islip, NY to New York John F Kennedy Intl Airport, NY

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Cheap flight deals from Islip to John F Kennedy Intl

Round-trip from	$360 (Frontier)
One-way from	$152 (Expedia)

From Islip Long Island to New York John F Kennedy Intl

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One-way flight from Islip Long Island to New York John F Kennedy Intl

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Cheapest flights from Islip to John F Kennedy Intl
Explore the most affordable flight options available from Islip to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Mon 8/42:19 pmISP - JFK

1 stop16h 10mMultiple Airlines

Mon 8/189:40 pmJFK - ISP

1 stop12h 54mMultiple Airlines

Deal found 7/2

$574

Best flights from Islip to John F Kennedy Intl
Discover carefully curated flight deals from Islip to John F Kennedy Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 8/28:37 pmISP - JFK

1 stop13h 46mFrontier

Mon 8/46:59 amJFK - ISP

1 stop12h 53mFrontier

Deal found 7/3

$360

Mon 8/42:19 pmISP - JFK

1 stop16h 10mMultiple Airlines

Mon 8/189:40 pmJFK - ISP

1 stop12h 54mMultiple Airlines

Deal found 7/2

$574

Last-minute flights from Islip to John F Kennedy Intl
Discover last-minute flight deals from Islip to John F Kennedy Intl. Data last updated July 3, 2025 and is based on user searches.

Sat 7/512:55 pmISP - JFK

1 stop8h 05mJetBlue

Sun 7/69:40 pmJFK - ISP

1 stop13h 11mJetBlue

Deal found 7/3

$931

Sat 8/28:37 pmISP - JFK

1 stop13h 46mFrontier

Mon 8/46:59 amJFK - ISP

1 stop12h 53mFrontier

Deal found 7/3

$360

Mon 8/42:19 pmISP - JFK

1 stop16h 10mMultiple Airlines

Mon 8/189:40 pmJFK - ISP

1 stop12h 54mMultiple Airlines

Deal found 7/2

$574

One-way flights from Islip to John F Kennedy Intl
Search for one-way flight options from Islip to John F Kennedy Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 8/111:40 amISP - JFK

1 stop8h 50mJetBlue

Deal found 7/2

$152

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to New York John F Kennedy Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 8/2

8:37 pm-10:23 am

1 stop13h 46m

New York John F Kennedy Intl

Mon 8/4

6:59 am-7:52 pm

1 stop12h 53m

$360

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 8/4

2:19 pm-6:29 am

1 stop16h 10m

New York John F Kennedy Intl

Mon 8/18

9:40 pm-10:34 am

1 stop12h 54m

$574

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 8/1

11:40 am-8:30 pm

1 stop8h 50m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Islip to John F Kennedy Intl

Have a flexible travel schedule? Discover the best time to fly to John F Kennedy Intl 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.

Reviews of airlines servicing John F Kennedy Intl

See what other customers who have flown with JetBlue and Frontier from Islip to New York John F Kennedy Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

JetBlue

7.3

Good

2,916 reviews

Reviews

1 / 20

6.0

Good

Linda,Dec 2024

ANU - JFK

After bag drop had to go through security again. Delayed flight

JetBlue

7.3

Good

2,916 reviews

JetBlue

7.3

Good

2,916 reviews

Reviews

1 / 20

6.0

Good

Linda,Dec 2024

ANU - JFK

After bag drop had to go through security again. Delayed flight

Frontier

5.9

Fair

3,286 reviews

JetBlue

7.3

Good

2,916 reviews

Reviews

1 / 20

6.0

Good

Linda,Dec 2024

ANU - JFK

After bag drop had to go through security again. Delayed flight

Related info for your journey

What airport do you fly from for flights from Islip to New York John F Kennedy Intl?
Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to New York John F Kennedy Intl. You should not have trouble finding flights to New York John F Kennedy Intl from Long Island; the airport handles an average of 0 outbound flights to New York John F Kennedy Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Islip airport to New York John F Kennedy Intl. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.
Can I find deals for flights from Islip to John F Kennedy Intl that include hotel bookings?
Yes. In addition to deals on Islip to John F Kennedy Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to John F Kennedy Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to John F Kennedy Intl.
Can I find deals for business class flights from Islip to John F Kennedy Intl?
Yes. Cheapflights offers flight deals from Islip to John F Kennedy Intl 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 York John F Kennedy Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to New York John F Kennedy Intl Airport (average of $236). Flying from Islip, New York to New York John F Kennedy Intl Airport in July is currently the most expensive (average of $319). 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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$152+ Cheap flights from Islip, NY (ISP) to John F Kennedy Intl, NY (JFK)

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to John F Kennedy Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Islip to John F Kennedy Intl

Round-trip from

One-way from

Find flight deals from Islip to John F Kennedy Intl

Cheapest flights from Islip to John F Kennedy IntlExplore the most affordable flight options available from Islip to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Islip to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to New York John F Kennedy Intl Airport that are best for you.

Best time to book a flight from Islip to John F Kennedy Intl

Have a flexible travel schedule? Discover the best time to fly to John F Kennedy Intl from Islip with our price prediction graph.

Reviews of airlines servicing John F Kennedy Intl

See what other customers who have flown with JetBlue and Frontier from Islip to New York John F Kennedy Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Islip to John F Kennedy Intl. 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 York John F Kennedy Intl?

Can I find deals for flights from Islip to John F Kennedy Intl that include hotel bookings?

How can I find direct flights from Islip to John F Kennedy Intl?

Can I find deals for business class flights from Islip to John F Kennedy Intl?

What is the cheapest month to book a flight from Islip, New York to New York John F Kennedy Intl Airport?

Traveling to a place near Islip?

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Cheapest flights from Islip to John F Kennedy Intl
Explore the most affordable flight options available from Islip to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.