Cheap Flights from West Palm Beach to Islip from AU$38

Frequently Asked Questions

• What are the cheapest flights from West Palm Beach to Islip (PBI-ISP)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as AU$38 on Cheapest nonstop routes (e.g. PBI to ISP on Tue, Dec 16), while Frontier Airlines offers Cheapest nonstop round-trips from AU$75 departing on Thu, Dec 11 and returning on Sun, Dec 14.

• How long does it take to fly from West Palm Beach (PBI) to Islip (ISP) and what is the distance?

  It takes around 2 hours 43 minutes to fly from West Palm Beach (PBI) to Islip (ISP).

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

  To find best deals on flights from West Palm Beach 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 Tue, Dec 16, with one-way flights priced at just AU$38.
  · 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 January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from West Palm Beach (PBI) to Islip (ISP) the cheapest?

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

• Which upcoming date is cheapest to fly from West Palm Beach to Islip on?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from West Palm Beach to Islip on December 11, 2025 with Frontier Airlines, with prices starting at AU$74.

• Is there any time difference between West Palm Beach and Islip?

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

• How do I change or cancel my ticket from West Palm Beach 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.