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$45+ Cheap flights from Islip, NY to West Palm Beach (ISP - PBI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PBI
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Find cheap flights from Islip to West Palm Beach with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Islip Long Island to Palm Beach Intl are usually found in January or March, booked 53 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Islip to West Palm Beach

Cheapest flights from Islip to West Palm Beach
Explore the most affordable flight options available from Islip to West Palm Beach. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This Frontier deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:15 amISP - PBI
Nonstop3h 02mFrontier
Sat 12/139:18 pmPBI - ISP
Nonstop2h 41mFrontier
Deal found 12/7$78
This CheapOair deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:15 amISP - PBI
Nonstop3h 02mFrontier
Tue 12/99:18 pmPBI - ISP
Nonstop2h 41mFrontier
Deal found 12/8$79
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:15 amISP - PBI
Nonstop3h 02mFrontier
Tue 12/169:18 pmPBI - ISP
Nonstop2h 41mFrontier
Deal found 12/7$80
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:15 amISP - PBI
Nonstop3h 02mFrontier
Thu 12/2512:23 pmPBI - ISP
Nonstop2h 47mFrontier
Deal found 12/7$84
This Frontier deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:15 amISP - PBI
Nonstop3h 02mFrontier
Sun 12/2112:23 pmPBI - ISP
Nonstop2h 47mFrontier
Deal found 12/6$88
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:15 amISP - PBI
Nonstop3h 02mFrontier
Mon 12/2212:28 pmPBI - ISP
Nonstop2h 47mFrontier
Deal found 12/7$89
This CheapOair deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:45 amISP - PBI
Nonstop3h 11mFrontier
Sun 12/2112:23 pmPBI - ISP
Nonstop2h 47mFrontier
Deal found 12/8$94
This Frontier deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:15 amISP - PBI
Nonstop3h 02mFrontier
Tue 12/99:18 pmPBI - ISP
Nonstop2h 41mFrontier
Deal found 12/5$98
This CheapOair deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:15 amISP - PBI
Nonstop3h 02mFrontier
Sat 12/2012:28 pmPBI - ISP
Nonstop2h 47mFrontier
Deal found 12/5$99
This CheapOair deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:15 amISP - PBI
Nonstop3h 02mFrontier
Tue 12/169:18 pmPBI - ISP
Nonstop2h 41mFrontier
Deal found 12/6$100
This CheapOair deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:45 amISP - PBI
Nonstop3h 11mFrontier
Mon 12/2212:28 pmPBI - ISP
Nonstop2h 47mFrontier
Deal found 12/5$104

Find flight deals from Islip to West Palm Beach

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to West Palm Beach (PBI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 8, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$87
(Priceline)

One-way from

$45
(CheapOair)

Popular in

April

Cheapest in

January

Average price

$268

Good round-trip deal

$178 or less

Good one-way deal

$98 or less
Provider with most accurate pricing for Islip Long Island-Palm Beach Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Palm Beach Intl flights.
Search Deals
From Islip Long Island to Palm Beach Intl
Search Deals
One-way flight from Islip Long Island to Palm Beach Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Islip Long Island to Palm Beach Intl.
Search Deals
Price to beat on a one-way flight from Islip Long Island to Palm Beach Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to West Palm Beach that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Islip to West Palm Beach that are best for you.

Fly from

Islip

Fly to

West Palm Beach

Route

Depart

Return

Price

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Fri 1/9

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Fri 1/16

7:40 am-10:20 am

Nonstop2h 40m

$187

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Tue 1/27

7:35 am-10:45 am

Nonstop3h 10m

Palm Beach Intl

Sat 1/31

7:00 am-11:35 am

1 stop4h 35m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Thu 1/8

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Thu 1/15

7:40 am-10:20 am

Nonstop2h 40m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Sun 1/25

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Mon 1/26

7:40 am-10:20 am

Nonstop2h 40m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Sat 1/17

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Sat 1/24

7:40 am-10:20 am

Nonstop2h 40m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Fri 1/2

5:05 pm-8:03 pm

Nonstop2h 58m

Palm Beach Intl

Wed 1/7

7:40 am-10:20 am

Nonstop2h 40m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Mon 1/12

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Thu 1/22

7:40 am-10:20 am

Nonstop2h 40m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Sat 2/7

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Thu 2/12

9:05 pm-11:48 pm

Nonstop2h 43m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Tue 1/13

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Sat 1/17

7:40 am-10:20 am

Nonstop2h 40m

$197

IslipWest Palm Beach

ISP - PBI

ISPPBI

Islip Long Island

Fri 1/9

6:45 pm-9:43 pm

Nonstop2h 58m

Palm Beach Intl

Sun 1/11

7:40 am-10:20 am

Nonstop2h 40m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Islip to West Palm Beach

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to West Palm Beach in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-West Palm Beach flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Islip, New York-West Palm Beach flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Islip, New York-West Palm Beach flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-West Palm Beach flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-West Palm Beach flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to West Palm Beach

Have a flexible travel schedule? Discover the best time to fly to West Palm Beach from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to West Palm Beach

How far ahead should I book a flight from Islip, New York to West Palm Beach?

Use this chart to determine the optimal time to book a round-trip flight from Islip to West Palm Beach. Price data was last updated on December 5, 2025.

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Islip, New York to West Palm Beach. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Islip, New York to West Palm Beach?

Currently, December is the cheapest month in which you can book a flight from Islip, New York to West Palm Beach (average of $31). Flying from Islip, New York to West Palm Beach in July is currently the most expensive (average of $83). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ISP to PBI?

Find hourly flight availability from Islip to West Palm Beach. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

It’s typically best to fly out from Islip, New York to West Palm Beach in the morning. Doing so could potentially save you 51% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Islip, New York to West Palm Beach?

Use this chart to determine the cheapest time to fly round-trip from Islip to West Palm Beach. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Islip, New York to West Palm Beach flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Islip, New York to West Palm Beach?

Reviews of airlines servicing West Palm Beach

Get insights into the airlines that provide service to West Palm Beach. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to West Palm Beach. Reviews last updated December 8, 2025.
See what other customers who have flown with Southwest, Delta, and JetBlue from Islip to West Palm Beach have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,011 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,898 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,085 reviews
Southwest
8.0
Very good
4,254 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Islip to West Palm Beach. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Islip to West Palm Beach?

    If you wish to fly to West Palm Beach from Islip, then you need to book flights from Islip Long Island to Palm Beach Intl. There are 2 flights from Long Island (ISP) to Palm Beach Intl (PBI) per day to choose from. Flights to West Palm Beach from Long Island are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 2h 50m is how long a nonstop flight from Islip to Palm Beach Intl typically takes.

  • How popular is this Islip, New York to West Palm Beach flight route?

    Within the past month, 53 users have taken a look at flights from Islip Long Island to Palm Beach Intl.

  • How long is the flight from Islip, New York to West Palm Beach?

    Airlines like JetBlue and Southwest fly from Islip, New York to West Palm Beach in about 2h 58m. The time it takes to get you to your destination is usually consistent. There are 1053 mi between Islip, New York and West Palm Beach. All flights are typically nonstop.

  • What are the cheapest airlines flying from Islip, New York to West Palm Beach round-trip?

    Flying on Frontier is currently your cheapest option to West Palm Beach, with prices starting at $38. Additional round-trip tickets that might be worth considering are offered by JetBlue and Southwest, with the lowest prices starting at $98 and $167, respectively. Frontier is 84% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Islip, New York to West Palm Beach one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $21. Delta flights start at $63 while deals on Southwest start at $73 one-way.

  • What are the cheapest flights from Islip, New York to West Palm Beach?

    The cheapest flight price from Islip, New York to West Palm Beach is $29. On average you can expect to pay $232. The most popular route, (Islip Long Island - Palm Beach Intl), can usually be booked for $64.

  • Can I find deals for flights from Islip to West Palm Beach that include hotel bookings?

    Yes. In addition to deals on Islip to West Palm Beach flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to West Palm Beach?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to West Palm Beach.

  • Can I find deals for business class flights from Islip to West Palm Beach?

    Yes. Cheapflights offers flight deals from Islip to West Palm Beach by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to West Palm Beach?

    Currently, December is the cheapest month in which you can book a flight from Islip, New York to West Palm Beach (average of $31). Flying from Islip, New York to West Palm Beach in July is currently the most expensive (average of $83). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Islip to West Palm Beach

Discover the top 4 airlines that operate flights from Islip to West Palm Beach. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$160FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$122Average$288FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$167Average$311FlexibilityNo cancel feeOn-time63%
DeltaCheapest$167Average$334FlexibilityNo cancel feeOn-timeN/A

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