Cheap Flights from Morristown to Islip from €43

Frequently Asked Questions

FAQs for flights from Morristown to Islip when there’s no local airport. Departures and arrivals are through New York to Islip.

• What are the cheapest flights from New York to Islip (NYC-ISP)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as €43 on Cheapest nonstop routes (e.g. JFK to ISP on Wed, Jan 28), while Jetblue Airways offers Cheapest nonstop round-trips from €162 departing on Thu, Jan 22 and returning on Mon, Jan 26.

• When is the best time to book flights from New York to Islip?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from New York to Islip is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from New York to Islip?

  To find best deals on flights from New York to Islip, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jan 28, with one-way flights priced at just €43.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Islip travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from New York (NYC) to Islip (ISP) the cheapest?

  The cheapest months to fly from New York to Islip is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from New York to Islip on?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from New York to Islip on December 11, 2025 with Jetblue Airways, with prices starting at €253.

• Is there any time difference between New York and Islip?

  The time difference between Islip and New York is 0h.

• How do I change or cancel my ticket from New York to Islip?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.