Cheap Flights from Islip (ISP) to New York John F. Kennedy (JFK)

Travelers and cabin class

Compare Islip to New York John F. Kennedy flight deals

Find the cheapest month or even day of the year to fly to New York John F. Kennedy

Book the best New York John F. Kennedy fare with no extra fees

Flight deals from Islip to New York John F. Kennedy

Looking for a cheap last-minute deal or the best round-trip flight from Islip to New York John F. Kennedy? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Islip to New York John F. Kennedy

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to New York John F. Kennedy flights are currently cheapest in September.

Islip to New York John F. Kennedy: Alternative routes

Compare routes from Islip to New York below. You may find an airport to fly into that's cheaper, faster, or easier than New York John F. Kennedy.

Islip to New York: Flight information

The things to know before you go.
Cheapest flight found$186
Cheapest month to flySeptember

Finding cheap flights from Islip to New York John F. Kennedy: Frequently asked questions

The best price we found for a round-trip flight from Islip to New York John F. Kennedy is $378. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Islip to New York John F. Kennedy. But we found flights with one or more stops from $378.
There are no flights flying from Islip to New York John F. Kennedy, as of May 2025.
The cheapest month to fly from Islip to New York John F. Kennedy is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to New York John F. Kennedy Airport on Monday, June 9, 2025.
No airlines currently offer direct flights between Islip Airport and New York John F. Kennedy Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to New York John F. Kennedy but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to New York is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to New York John F. Kennedy.

Traveling from Long Island MacArthur Airport (ISP) to John F. Kennedy International Airport (JFK): what you need to know

  • New York's timezone is UTC-4, which is the same as Islip.

  • Leave plenty of time to catch your ISP to JFK flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer queues during popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Long Island MacArthur Airport to John F. Kennedy International Airport. Here are the most popular stopovers between ISP and JFK:

    • Baltimore/Wash International Thurgood Marshall Airport

    • Charleston International Airport

    • Portland International Jetport Airport

How to find the cheapest flights from Long Island MacArthur Airport (ISP) to John F. Kennedy International Airport (JFK)

  • Currently, $186 is the cheapest price we've seen for a one-way Long Island MacArthur Airport to John F. Kennedy International Airport flight. The best price for a return plane ticket is $378. Keep in mind that fares can change due to availability at the time of booking.

  • It's usually best to book ahead of time if you want to get cheap tickets from ISP to JFK. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' search tool. It'll give you the lowest price in each month when looking for a flight from Long Island MacArthur Airport to John F. Kennedy International Airport.

  • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from ISP to JFK.

  • Tailor your trip with filters. Select your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Long Island MacArthur Airport to John F. Kennedy International Airport.

Handy information about Long Island MacArthur Airport (ISP)

  • ISP is located at 100 Arrivals Avenue.

  • Of all flights departing from Long Island MacArthur Airport, 77.45% arrive on time at their destination.

  • To get to Long Island MacArthur Airport from central Islip, it takes around 15 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 10 miles from the airport to the city center.

  • The trip when using public transport typically takes 1 hour 10 minutes.

  • Booked an early flight from Long Island MacArthur Airport to John F. Kennedy International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these hotels close to ISP:

Arriving at John F. Kennedy International Airport (JFK)

  • Reserve a hotel close to JFK if you're taking a late Long Island MacArthur Airport to John F. Kennedy International Airport flight. Pick one of these options and skip the long transfer after landing:

  • Get your adventure underway by picking up a John F. Kennedy International Airport rental car. Grab a set of wheels from Budget, Dollar or Sixt and experience the lesser-explored corners of New York and beyond.

  • To secure the lowest price, book your ride from John F. Kennedy International Airport around two weeks before you travel.

Getting from John F. Kennedy International Airport (JFK) to central New York

  • You'll find JFK at JFK Airport.

  • John F. Kennedy International Airport to central New York has a drive time of around 50 minutes. It's approximately 30 miles away.

  • Getting there by public transport takes about 1 hour 20 minutes.

When to fly to John F. Kennedy International Airport (JFK)

  • July is the busiest month for flights from Long Island MacArthur Airport to John F. Kennedy International Airport. To steer clear of the crowds, visit New York in May.

  • Before locking in your flight from Long Island MacArthur Airport to John F. Kennedy International Airport, think about the type of weather you enjoy. July is the warmest month in New York, with temperatures ranging from 64ºF to 86ºF.

  • Search for cheap tickets from ISP to JFK in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 21ºF and 46ºF on average.

Explore more of United States

  • New York is easy to fall in love with, but there are so many other parts of United States waiting to be explored. Around 80 miles south-west of New York, a trip to Philadelphia will keep you on the go. Start with leading attractions like Liberty Bell, Independence Hall and Philadelphia Museum of Art.

  • If you're looking to explore another well-known destination in United States, head for Boston, roughly 190 miles north-east of New York. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.