Cheap Flights from Islip (ISP) to West Palm Beach International (PBI)

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Flight deals from Islip Airport to West Palm Beach International Airport

Looking for a cheap last-minute deal or the best return flight from Islip Airport to West Palm Beach International Airport? If you want to travel next month, return fares start from £153. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Islip to West Palm Beach International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to West Palm Beach International flights are currently cheapest in April.

Direct flights from Islip to West Palm Beach International

Islip to West Palm Beach: Flight information

The things to know before you go.
Cheapest flight found£21
Cheapest month to flyApril
Average flight time2 hrs, 56 mins
Most popular airlineSouthwest Airlines
Average flights per week23

Finding cheap flights from Islip to West Palm Beach International: Frequently asked questions

The best price we found for a return flight from Islip to West Palm Beach International is £146. 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.
2 hours and 56 minutes is the average flight time from Islip to West Palm Beach International.
Southwest Airlines, jetBlue and Frontier Airlines fly direct from Islip to West Palm Beach International.
As of March 2026, there are 23 flights per week flying from Islip to West Palm Beach International.
The cheapest month to fly from Islip to West Palm Beach International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to West Palm Beach International Airport on Wednesday, 27 May 2026.
Yes – the average flight time is 2 hours and 56 minutes.
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 West Palm Beach International 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 West Palm Beach is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines and Frontier Airlines offer the cheapest flight tickets to West Palm Beach International.

Flying from Long Island MacArthur Airport (ISP) to Palm Beach International Airport (PBI): what you need to know

  • Islip and West Palm Beach are in the same timezone, UTC-4.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to catch your ISP to PBI flight.

  • You can expect longer queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • Frontier Airlines has direct flights from Long Island MacArthur Airport to Palm Beach International Airport. Book with this popular airline, then get ready to discover the sights in West Palm Beach — and maybe even more of United States if your schedule allows.

  • The majority of travellers choose to travel with Frontier Airlines on this route.

  • With 75.83% of services arriving as planned, Southwest Airlines is the most punctual carrier offering ISP to PBI flights.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Long Island MacArthur Airport to Palm Beach International Airport. Here are the most popular stopovers between ISP and PBI:

    • Baltimore/Wash International Thurgood Marshall Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Tampa International Airport

How to find the cheapest flights from Long Island MacArthur Airport (ISP) to Palm Beach International Airport (PBI)

  • £21 is currently the best price for a one-way Long Island MacArthur Airport to Palm Beach International Airport flight. Return flights start from £146. These prices can change based on availability and demand.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from ISP to PBI if you book early. Airlines often offer some great early bird discounts.

  • Finding cheap flights from Long Island MacArthur Airport to Palm Beach International Airport is easier if you're flexible with your travel dates. Use the 'Whole month' function to see the lowest fares across the month and bag a great deal.

  • Finding cheap flights from ISP to PBI is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Long Island MacArthur Airport to Palm Beach International Airport.

Handy information about Long Island MacArthur Airport (ISP)

  • You'll find ISP at 100 Arrivals Avenue.

  • Of the departures from Long Island MacArthur Airport, 77.45% land on time at their destination.

  • Central Islip to Long Island MacArthur Airport is approximately 10 miles. Depending on traffic, it'll take about 15 minutes to get there if you're driving, catching a cab or ride-sharing.

  • The journey on public transport takes roughly 1 hour 10 minutes.

  • Catching an early flight from Long Island MacArthur Airport to Palm Beach International Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by picking one of these hotels near ISP:

Arriving at Palm Beach International Airport (PBI)

Getting from Palm Beach International Airport (PBI) to central West Palm Beach

  • PBI is located at Building 846, Palm Beach International.

  • Palm Beach International Airport to the centre of West Palm Beach has a drive time of about 10 minutes. It's approximately 4 miles away.

  • It takes roughly 50 minutes if you're using public transport.

When to fly to Palm Beach International Airport (PBI)

  • February is the busiest month for flights from Long Island MacArthur Airport to Palm Beach International Airport. To skip the crowds, visit West Palm Beach in May.

  • The warmest month in West Palm Beach is August, with the temperature ranging between 26ºC (79ºF) and 32ºC (90ºF). Book your flights from Long Island MacArthur Airport to Palm Beach International Airport in this month if you like this kind of weather.

  • January sees average temperatures of between 13ºC (55ºF) and 25ºC (77ºF). Search for cheap tickets from ISP to PBI sometime around then if you like travelling in cooler conditions.

Explore more of United States

  • Jacksonville is just one of the many cities in United States waiting to be explored once you've taken in the sights of West Palm Beach. Around 270 miles away to the north, top sights here include Jacksonville Zoo and Gardens, The Cummer Museum of Art & Gardens and Friendship Fountain.

  • Miami is another must-experience destination in United States and is around 65 miles south of West Palm Beach. No trip is complete without dropping by Wynwood Walls, Vizcaya Museum and Gardens and American Airlines Arena.

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