$75+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PBI
Feb 21 — Feb 281
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 March or June, booked 67 days in advance, depart on a Saturday or Tuesday and return on a Saturday
Cheap flight deals from Islip to West Palm Beach
Cheapest flights from Islip to West Palm BeachExplore 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 January 22, 2026.
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 January 22, 2026.
This CheapOair deal was found by Cheapflights users on 1/20. 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.
Wed 2/258:00 am
ISP
- PBI
Nonstop3h 18m
Frontier
Tue 3/38:55 pm
PBI
- ISP
Nonstop2h 47m
Frontier
Deal found 1/20![Frontier logo]()
$129
This CheapOair deal was found by Cheapflights users on 1/20. 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 2/108:00 am
ISP
- PBI
Nonstop3h 18m
Frontier
Tue 3/38:55 pm
PBI
- ISP
Nonstop2h 47m
Frontier
Deal found 1/20![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/233:59 pm
ISP
- PBI
2 stops28h 01m
Frontier
Thu 2/269:58 pm
PBI
- ISP
Nonstop2h 46m
Frontier
Deal found 1/20![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:34 pm
ISP
- PBI
2 stops29h 08m
Multiple Airlines
Thu 2/269:58 pm
PBI
- ISP
Nonstop2h 46m
Multiple Airlines
Deal found 1/21![Multiple Airlines logo]()
$133
This CheapOair deal was found by Cheapflights users on 1/21. 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.
Wed 2/258:00 am
ISP
- PBI
Nonstop3h 18m
Frontier
Sat 2/289:37 pm
PBI
- ISP
Nonstop2h 46m
Frontier
Deal found 1/21![Frontier logo]()
$134
This CheapOair deal was found by Cheapflights users on 1/20. 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 2/108:00 am
ISP
- PBI
Nonstop3h 18m
Frontier
Sat 2/289:37 pm
PBI
- ISP
Nonstop2h 46m
Frontier
Deal found 1/20![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 1/20. 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 2/195:30 am
ISP
- PBI
Nonstop3h 06m
Frontier
Fri 2/279:58 pm
PBI
- ISP
Nonstop2h 46m
Frontier
Deal found 1/20![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 1/20. 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.
Mon 2/235:30 am
ISP
- PBI
Nonstop3h 06m
Frontier
Mon 3/210:08 pm
PBI
- ISP
Nonstop2h 45m
Frontier
Deal found 1/20![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 1/20. 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.
Wed 2/118:00 am
ISP
- PBI
Nonstop3h 18m
Frontier
Mon 2/1610:08 pm
PBI
- ISP
Nonstop2h 45m
Frontier
Deal found 1/20![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:30 am
ISP
- PBI
Nonstop3h 06m
Multiple Airlines
Fri 2/2711:25 am
PBI
- ISP
2 stops23h 41m
Multiple Airlines
Deal found 1/21![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:07 pm
ISP
- PBI
2 stops19h 10m
Frontier
Thu 2/269:58 pm
PBI
- ISP
Nonstop2h 46m
Frontier
Deal found 1/20![Frontier logo]()
$144
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 January 22, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $129 (CheapOair) |
One-way from | $75 (CheapOair) |
Popular in | April |
Cheapest in | March |
Average price | $217 |
Good round-trip deal | $225 or less |
Good one-way deal | $133 or less |
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 January 22, 2026.
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
Wed 3/25
12:29 pm-3:34 pm
Nonstop3h 05m
Palm Beach Intl
Sat 3/28
7:25 am-10:06 am
Nonstop2h 41m
$187
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Mon 2/9
6:45 pm-9:43 pm
Nonstop2h 58m
Palm Beach Intl
Thu 2/12
9:49 am-12:33 pm
Nonstop2h 44m
$212
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Sat 3/14
2:25 pm-5:15 pm
Nonstop2h 50m
Palm Beach Intl
Thu 3/19
7:15 pm-11:55 pm
1 stop4h 40m
$247
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Wed 2/4
6:00 am-4:25 pm
1 stop10h 25m
Palm Beach Intl
Sat 2/7
11:55 am-2:40 pm
Nonstop2h 45m
$256
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Sun 2/22
1:10 pm-7:35 pm
1 stop6h 25m
Palm Beach Intl
Fri 2/27
10:05 am-5:00 pm
1 stop6h 55m
$257
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Mon 3/23
7:00 am-9:55 am
Nonstop2h 55m
Palm Beach Intl
Sat 3/28
3:10 pm-11:35 pm
1 stop8h 25m
$273
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Fri 2/20
3:10 pm-6:15 pm
Nonstop3h 05m
Palm Beach Intl
Sat 3/14
6:20 am-11:40 am
1 stop5h 20m
$282
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Sat 3/28
11:01 am-2:04 pm
Nonstop3h 03m
Palm Beach Intl
Fri 4/3
8:59 pm-11:42 pm
Nonstop2h 43m
$287
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Wed 3/25
2:20 pm-5:10 pm
Nonstop2h 50m
Palm Beach Intl
Sat 3/28
3:10 pm-11:35 pm
1 stop8h 25m
$294
IslipWest Palm Beach
ISP - PBI
ISPPBI
Islip Long Island
Tue 5/19
6:55 am-4:55 pm
2 stops10h 00m
Palm Beach Intl
Tue 5/26
6:45 am-11:55 am
1 stop5h 10m
$297
Showing 1-10 of 20 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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
Prices
Airlines
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 January 16, 2026.
Booking 67 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 $33). 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 January 22, 2026.
It’s typically best to fly out from Islip, New York to West Palm Beach in the morning. Doing so could potentially save you 46% 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 January 17, 2026.
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.
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 January 22, 2026.
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.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Alternative routes for Islip to West Palm Beach
See prices for flight routes from nearby airports that may be better suited for you.
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 January 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$167 | Average$312 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$167 | Average$334 | FlexibilityNo cancel fee | On-timeN/A |