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$56+ Cheap flights from West Palm Beach to Islip (PBI - ISP)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — ISP
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Palm Beach Intl to Islip Long Island are usually found in May or January, booked 16 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from West Palm Beach to Islip

Discover tips and strategies to find the most affordable flight options for your journey from West Palm Beach (PBI) to Islip (ISP). 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 September 16, 2025.

Round-trip from

$83
(Cheapflightsfares)

One-way from

$56
(Cheapflightsfares)

Popular in

November

Cheapest in

May

Average price

$247

Good round-trip deal

$222 or less

Good one-way deal

$108 or less
From Palm Beach Intl to Islip Long Island
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One-way flight from Palm Beach Intl to Islip Long Island
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Highest demand for flights based on searches. 15% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Palm Beach Intl to Islip Long Island.
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Price to beat on a one-way flight from Palm Beach Intl to Islip Long Island.
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Find flight deals from West Palm Beach to Islip

Cheapest flights from West Palm Beach to Islip
Explore the most affordable flight options available from West Palm Beach to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:09 amPBI - ISP
Nonstop2h 47mFrontier
Sat 12/62:57 pmISP - PBI
Nonstop3h 04mFrontier
Deal found 9/14$83
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:09 amPBI - ISP
Nonstop2h 47mFrontier
Sun 12/142:57 pmISP - PBI
Nonstop3h 04mFrontier
Deal found 9/15$111
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:09 amPBI - ISP
Nonstop2h 47mFrontier
Sun 12/142:57 pmISP - PBI
Nonstop3h 04mFrontier
Deal found 9/14$120
This JetBlue deal was found by Cheapflights users on 9/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:04 amPBI - ISP
Nonstop2h 46mJetBlue
Sun 11/92:05 pmISP - PBI
Nonstop2h 52mJetBlue
Deal found 9/16$167
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:05 amPBI - ISP
1 stop7h 30mSouthwest
Tue 10/286:25 amISP - PBI
Nonstop2h 50mSouthwest
Deal found 9/15$177
This Southwest deal was found by Cheapflights users on 9/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:35 amPBI - ISP
2 stops9h 40mSouthwest
Tue 10/146:25 amISP - PBI
Nonstop2h 50mSouthwest
Deal found 9/14$182
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:25 pmPBI - ISP
1 stop4h 45mSouthwest
Sun 10/195:25 amISP - PBI
1 stop5h 25mSouthwest
Deal found 9/16$187
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2911:30 amPBI - ISP
Nonstop2h 40mSouthwest
Thu 10/24:40 pmISP - PBI
Nonstop2h 55mSouthwest
Deal found 9/16$197
This JetBlue deal was found by Cheapflights users on 9/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:47 amPBI - ISP
Nonstop2h 43mJetBlue
Mon 12/81:40 pmISP - PBI
Nonstop2h 52mJetBlue
Deal found 9/15$202

Cheapflights Fare Finder

 
Customize your flight search to find flights from West Palm Beach to Islip 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 September 16, 2025.
Use the filters below to find and compare flights from West Palm Beach to Islip that are best for you.

Fly from

West Palm Beach

Fly to

Islip

Route

Depart

Return

Price

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Fri 10/24

8:10 am-10:50 am

Nonstop2h 40m

Islip Long Island

Tue 10/28

6:25 am-9:15 am

Nonstop2h 50m

$167

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Wed 11/5

10:04 am-12:50 pm

Nonstop2h 46m

Islip Long Island

Sat 11/8

3:26 pm-6:20 pm

Nonstop2h 54m

$167

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Fri 11/7

10:04 am-12:50 pm

Nonstop2h 46m

Islip Long Island

Sun 11/9

2:05 pm-4:57 pm

Nonstop2h 52m

$167

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Tue 10/21

8:15 am-10:55 am

Nonstop2h 40m

Islip Long Island

Thu 10/30

4:45 pm-7:40 pm

Nonstop2h 55m

$167

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Fri 10/10

1:05 pm-3:45 pm

Nonstop2h 40m

Islip Long Island

Mon 10/13

4:45 pm-7:40 pm

Nonstop2h 55m

$167

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Thu 10/30

8:10 am-10:50 am

Nonstop2h 40m

Islip Long Island

Sat 11/1

5:00 pm-7:55 pm

Nonstop2h 55m

$167

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Fri 10/17

1:05 pm-3:45 pm

Nonstop2h 40m

Islip Long Island

Sun 10/19

5:25 am-10:50 am

1 stop5h 25m

$177

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Thu 10/16

8:10 am-10:50 am

Nonstop2h 40m

Islip Long Island

Sun 10/19

5:25 am-10:50 am

1 stop5h 25m

$177

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Thu 11/6

12:05 pm-2:45 pm

Nonstop2h 40m

Islip Long Island

Wed 11/12

3:55 pm-8:50 pm

1 stop4h 55m

$177

West Palm BeachIslip

PBI - ISP

PBIISP

Palm Beach Intl

Tue 10/28

8:15 am-10:55 am

Nonstop2h 40m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Islip from West Palm Beach 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 West Palm Beach to Islip

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

Use this chart to determine the optimal time to book a round-trip flight from West Palm Beach to Islip. Price data was last updated on September 12, 2025.

The price you pay for your flight from West Palm Beach to Islip may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from West Palm Beach to Islip (average of $108). Flying from West Palm Beach to Islip in November is currently the most expensive (average of $213). 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 PBI to ISP?

Find hourly flight availability from West Palm Beach to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from West Palm Beach to Islip is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 72% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from West Palm Beach to Islip. Price data was last updated on September 14, 2025.

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

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Southwest, JetBlue, and Frontier from West Palm Beach to Islip. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,914 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from West Palm Beach to Islip. 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 West Palm Beach to Islip?

    Booking a flight from Palm Beach Intl (PBI) to Islip Long Island (ISP) is your only option if you wish to fly from West Palm Beach to Islip. On a typical day, there are 2 flights from Palm Beach Intl to Long Island, all of which are around 2h 40m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Palm Beach Intl to Islip.

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

    The Palm Beach Intl to Islip Long Island flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from West Palm Beach to Islip will take you 2h 40m. There are 1053 mi between West Palm Beach and Islip. Generally, flights for this route are nonstop.

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

    Cheapflights users have booked flights from West Palm Beach to Islip round-trip from $38. Other airlines that can offer you cheap pricing are JetBlue, from $145, and Southwest, from $157. Users have found that Frontier is 85% cheaper than the other options available to this destination.

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

    Looking for the cheapest flight from West Palm Beach to Islip? While on average our users pay $254, our data indicates the cheapest price to be $78. The most popular route (Palm Beach Intl - Islip Long Island), is priced around $83.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from West Palm Beach to Islip 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 West Palm Beach to Islip?

    Currently, January is the cheapest month in which you can book a flight from West Palm Beach to Islip (average of $108). Flying from West Palm Beach to Islip in November is currently the most expensive (average of $213). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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Top 3 airlines flying from West Palm Beach to Islip

Discover the top 3 airlines that operate flights from West Palm Beach to Islip. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$140FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$145Average$277FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$157Average$309FlexibilityNo cancel feeOn-time63%

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