Cheap Flights from Islip to West Palm Beach from € 22

Frequently Asked Questions

• Which airlines offer the cheapest flights from Islip (ISP) to West Palm Beach (PBI)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as € 22 on Cheapest nonstop routes (e.g. ISP to PBI on Sun, Dec 14), while Frontier Airlines offers Cheapest nonstop round-trips from € 37 departing on Fri, Dec 19 and returning on Sat, Dec 20.

• How long is a flight from Islip (ISP) to West Palm Beach (PBI)?

  It takes about 2 hours 57 minutes to fly from Islip (ISP) to West Palm Beach (PBI).

• When is the best time to book flights from Islip to West Palm Beach?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Islip to West Palm Beach 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 Islip to West Palm Beach?

  To find best deals on flights from Islip to West Palm Beach, 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 Sun, Dec 14, with one-way flights priced at just € 22.
  · 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 West Palm Beach travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Islip to West Palm Beach to get the best price?

  The cheapest months to fly from Islip to West Palm Beach is December, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Islip to West Palm Beach?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Islip to West Palm Beach on December 19, 2025 with Frontier Airlines, with prices starting at € 36.

• What is the time difference between Islip and West Palm Beach?

  The time difference between West Palm Beach and Islip is 0h.

• How can I change or cancel my flight ticket from Islip to West Palm Beach?

  Tickets can only be changed or cancelled 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.