$29 Cheap Flights from West Palm Beach (PBI) to Islip (ISP)

View $29 flight on Sat, Feb 14, 2026Opens in a new window

Popular airlines from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Today's featured flight deals from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)

Nonstop
Carry-on included
Lower price than typical

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

Prices were available within the past 7 days and start at $29 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Feb 14 - Wed, Feb 18
PBI
West Palm Beach
ISP
Islip
$54 Roundtrip, found 16 hours ago
$54
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Feb 14 from West Palm Beach to Islip, returning Wed, Feb 18, priced at $54 found 16 hours ago
Frontier Airlines
Thu, Dec 11 - Fri, Dec 19
PBI
West Palm Beach
ISP
Islip
$57 Roundtrip, found 2 days ago
$57
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Dec 11 from West Palm Beach to Islip, returning Fri, Dec 19, priced at $57 found 2 days ago
Frontier Airlines
Sat, Dec 6 - Tue, Dec 9
PBI
West Palm Beach
ISP
Islip
$64 Roundtrip, found 7 hours ago
$64
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from West Palm Beach to Islip, returning Tue, Dec 9, priced at $64 found 7 hours ago
Frontier Airlines
Tue, Dec 9 - Sat, Dec 13
PBI
West Palm Beach
ISP
Islip
$68 Roundtrip, found 1 day ago
$68
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Dec 9 from West Palm Beach to Islip, returning Sat, Dec 13, priced at $68 found 1 day ago
Frontier Airlines
Sat, Dec 20 - Mon, Jan 5
PBI
West Palm Beach
ISP
Islip
$69 Roundtrip, found 11 hours ago
$69
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sat, Dec 20 from West Palm Beach to Islip, returning Mon, Jan 5, priced at $69 found 11 hours ago
Frontier Airlines
Thu, Dec 25 - Sun, Jan 4
PBI
West Palm Beach
ISP
Islip
$70 Roundtrip, found 6 days ago
$70
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Dec 25 from West Palm Beach to Islip, returning Sun, Jan 4, priced at $70 found 6 days ago
Frontier Airlines
Fri, Jan 9 - Sun, Jan 11
PBI
West Palm Beach
ISP
Islip
$71 Roundtrip, found 15 hours ago
$71
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Jan 9 from West Palm Beach to Islip, returning Sun, Jan 11, priced at $71 found 15 hours ago
Frontier Airlines
Fri, Dec 26 - Fri, Jan 2
PBI
West Palm Beach
ISP
Islip
$74 Roundtrip, found 22 hours ago
$74
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Fri, Dec 26 from West Palm Beach to Islip, returning Fri, Jan 2, priced at $74 found 22 hours ago
JetBlue Airways
Wed, Dec 24 - Fri, Jan 2
PBI
West Palm Beach
ISP
Islip
$112 Roundtrip, found 2 days ago
$112
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Dec 24 from West Palm Beach to Islip, returning Fri, Jan 2, priced at $112 found 2 days ago
Southwest Airlines
Tue, Dec 2 - Sun, Dec 7
PBI
West Palm Beach
ISP
Islip
$147 Roundtrip, found 14 hours ago
$147
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Tue, Dec 2 from West Palm Beach to Islip, returning Sun, Dec 7, priced at $147 found 14 hours ago

Find the cheapest month to fly from West Palm Beach (PBI) to Islip (ISP)

January is typically the cheapest month to fly

From $48 - $365 per traveler.

Alternative airports near Islip

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to MacArthur ISP. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $239
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $239

Frequently asked questions

How much does a flight from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP) cost?
Grab a cheap one-way flight from $29 or cheap return flight from $54 from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
Planning your trip for February is a good way to save, as it's the cheapest month for flights between PBI and ISP. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
Take the express route to MacArthur Airport (ISP). 3 carriers operate direct flights from Palm Beach Intl. Airport (PBI), including:

  • Southwest Airlines
  • Frontier Airlines
  • JetBlue Airways

What is the cheapest airline that flies from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
Cheap flight tickets between Palm Beach Intl. Airport (PBI) and MacArthur Airport (ISP) can usually be found through low-cost carriers like Southwest Airlines and JetBlue Airways. Don't forget that prices can change based on the time of year, demand and how early you book. With Expedia's filter tool, you can easily filter your results to find a PBI to ISP flight that fits your budget.
How many flights per day from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
When flying out of Palm Beach Intl. Airport (PBI), you'll have a choice from an average of 3 daily direct flights to MacArthur Airport (ISP).
What are the most popular departure times for flights from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
More people fly between PBI and ISP at 10 AM than at any other time of day. Looking to skip the crowds? Travel outside of rush hours and you're likely to save on your fare as well.
What day of the week has the most flights from PBI to ISP?
Fly on a Friday if you're after the best choice of flights from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP).
What is the earliest flight from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
The first flight of the day jetting off from Palm Beach Intl. Airport (PBI) is at around 7:10AM UTC-5. Board this flight and you'll land at MacArthur Airport (ISP) at approximately 9:50AM UTC-5. The entire trip takes 2h 40m.
How long does it take to fly from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
The average flight time from PBI to ISP is 2 hours and 43 minutes, covering a total distance of 1,050 mi.
What is the best time to fly from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
Choose a flight from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Islip from Palm Beach Intl. Airport (PBI)?
Touch down at any of these Islip airports following your direct flight from Palm Beach Intl. Airport (PBI):

  • LaGuardia Airport (LGA)
  • John F. Kennedy Intl. Airport (JFK)
  • Westchester County Airport (HPN)
  • MacArthur Airport (ISP)
  • Tweed - New Haven Regional Airport (HVN)

Is it cheaper to buy a plane ticket from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP) last-minute?
Booking your plane ticket from PBI to ISP right before your trip is typically more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a PBI to ISP flight and hotel package?
Securing a PBI to ISP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Palm Beach Intl. Airport (PBI) to MacArthur Airport (ISP)?
Typically, you can cancel or reschedule your PBI to ISP flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Origin airport
Palm Beach Intl.
Destination airport
MacArthur
Airlines serving
Frontier Airlines, JetBlue Airways, Southwest Airlines
Roundtrip price
$54
Distance
1052 mi
Average flight time
2 hours 41 mins

Book with confidence

West Palm Beach to Islip Flights

The cheapest times to fly from West Palm Beach to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from West Palm Beach to Islip are during the month of February. You can find some of the cheapest flights from West Palm Beach to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from West Palm Beach to Islip

Sunday is one of the best days to book for cheap flights from West Palm Beach to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from West Palm Beach to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from West Palm Beach to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $29 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap West Palm Beach to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your West Palm Beach to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

West Palm Beach to Islip Flights

Explore a world of travel with Expedia

*Available to One Key members.