The cheapest times to fly from ISP to PBI are

  • January 1st to March 4th (except the week of February 12th)
  • July 30th to November 18th
  • December 3rd to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ISP to PBI is mid to late September. Prices can be as high as $703 for Monday flights during early to mid April, or as low as $165 for Tuesday flights around mid to late September.


When to Fly to West Palm Beach

Flying from Islip, NY (ISP) to West Palm Beach/Palm Beach, FL (PBI) will usually cost between $202 to $584 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $268. Due to high demand the most expensive time to fly is early to mid April, with an average price of $545. Planning your trip to low-cost times can easily save you $276 on economy flights and even more on first-class flights. Generally, any price below $375 can be considered a good price for a round-trip ISP to PBI flight.

See below for a graph of average weekly prices for the ISP to PBI route. All prices are for round-trip tickets in USD.

ISP to PBI Flight Prices

Compared to other flights, the ISP to PBI flight is much cheaper than the average and costs much less than the average flight leaving from Islip. The average price per mile (for a direct flight) is $0.22, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $107 (25%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $317. Return trip prices are from the PBI to ISP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ISP to PBI can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 53 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ISP to PBI while comparing.

Destination alternative #1: Southwest Florida International Airport (RSW) in Fort Myers, FL

  • 103 miles (166 km) away from PBI
  • Usually 24.83% less expensive than PBI
  • Nonstop flights available

See ISP to RSW flights

Destination alternative #2: Orlando International Airport (MCO) in Orlando, FL

  • 142 miles (229 km) away from PBI
  • Usually 20.96% less expensive than PBI
  • Nonstop flights available

See ISP to MCO flights

Destination alternative #3: Miami International Airport (MIA) in Miami, FL

  • 63 miles (101 km) away from PBI
  • Usually 8.41% less expensive than PBI
  • 1-layover flights available

See ISP to MIA flights

Destination alternative #4: Melbourne International Airport (MLB) in Melbourne, FL

  • 104 miles (167 km) away from PBI
  • Usually 2.80% less expensive than PBI
  • 1-layover flights available

See ISP to MLB flights


Flight Questions Answered

Still have questions about flying from ISP to PBI? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, Frontier, Southwest, and potentially more during busy seasons.

How far away is it from Palm Beach International Airport to Long Island MacArthur Airport?

The distance between the two airports is roughly 1054 miles or 1696 kilometers.

How long does it take to fly from ISP to PBI?

The real-world flight time for a nonstop ISP to PBI flight is about 2 hour 53 minutes.

How many flights go between Islip, NY and West Palm Beach/Palm Beach, FL?

It depends on the day of the week and the date, but a typical day might have around 64 available flights from ISP to PBI.


Airport Location Info


Departing Airport

Origination code ISP
Origination airport name Long Island MacArthur Airport
City Islip, NY
Country the United States
Latitude 40.8
Longitude -73.1

Return Airport

Destination code PBI
Destination airport name Palm Beach International Airport
City West Palm Beach/Palm Beach, FL
Country the United States
Latitude 26.7
Longitude -80.1


Late and Early Flight Data

Flights from ISP to PBI tend to depart later than the average flight. According to our recently updated data, 33% of flights departed 5 or more minutes late, and 4% of flights left 5 or more minutes early. On average you can expect to leave PBI heading for ISP about 22 minutes late. This does significantly impact arrival time, as the average landing time in West Palm Beach/Palm Beach, FL is about 11 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • Southwest: 21 minutes late
  • Frontier: 25 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.