$54 Cheap Frontier Airlines flights Islip (ISP) to West Palm Beach (PBI)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap Frontier Airlines return flights from $108 from ISP to PBI. Affordable one-way tickets from $54 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

September is one of the cheapest months to travel to West Palm Beach with Frontier Airlines. You could also find fantastic deals on one-way and return tickets in June.

Start searching one to three months before your departure to find cheap fares on Frontier Airlines flights from MacArthur Airport (ISP) to Palm Beach Intl. Airport (PBI). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Frontier Airlines operates direct flights from MacArthur Airport (ISP) to Palm Beach Intl. Airport (PBI), with 7 departures each week. Just choose the “Nonstop” and “Airline” filters during your search on Expedia to see all direct Frontier Airlines flights to PBI.

It takes around 3h 12m to fly nonstop from MacArthur Airport (ISP) to Palm Beach Intl. Airport (PBI) with Frontier Airlines.

The first flight from ISP to PBI with Frontier Airlines departs at 6:30AM UTC-5. You’ll land at 9:41AM UTC-5. The final Frontier Airlines flight of the day leaves at 8:30AM UTC-5 and arrives at 11:49AM UTC-5. With around 20% fewer cancellations for departures before midday, starting your travel day early is generally the smartest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Frontier Airlines flights from MacArthur Airport (ISP) to West Palm Beach come in to land at Palm Beach Intl. Airport (PBI) and Fort Lauderdale - Hollywood Intl. Airport (FLL). The main West Palm Beach gateway served by this airline is PBI. It’s always worth comparing flights arriving at nearby airports on Expedia as they may offer lower fares.

Fly from ISP to PBI with Frontier Airlines and enjoy a range of perks including a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the MacArthur Airport (ISP) to Palm Beach Intl. Airport (PBI) route, Frontier Airlines typically operates Airbus A321neo and Airbus A320neo planes. Keep in mind that last-minute changes can occur for operational purposes, meaning your flight may be on a different aircraft.

It’s generally possible to cancel or reschedule your flight, although there may be additional fees if you booked more than 24 hours ago. Want to keep your options open? Apply the “Changes included” and “No cancel fee” filters to find flights that won’t charge you extra if you need to alter your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more information.