HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Fort Lauderdale

$90+ Cheap flights from Islip, NY to Fort Lauderdale (ISP - FLL)

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — FLL
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Fort Lauderdale 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 Fort Lauderdale are usually found in January or September, booked 59 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from Islip to Fort Lauderdale

Cheapest flights from Islip to Fort Lauderdale
Explore the most affordable flight options available from Islip to Fort Lauderdale. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am
ISP
-
FLL
Nonstop3h 00m
Multiple Airlines
Mon 9/146:05 am
FLL
-
ISP
1 stop4h 23m
Multiple Airlines
Deal found 7/25$215
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Tue 10/206:00 am
ISP
-
FLL
Nonstop2h 56m
JetBlue
Sat 10/246:45 pm
FLL
-
ISP
Nonstop2h 50m
JetBlue
Deal found 7/27$217
This JetBlue deal was found by Cheapflights users on 7/24. 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.
Tue 10/67:00 am
ISP
-
FLL
Nonstop2h 59m
JetBlue
Thu 10/86:45 pm
FLL
-
ISP
Nonstop2h 50m
JetBlue
Deal found 7/24$219
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:39 am
ISP
-
FLL
1 stop8h 56m
Multiple Airlines
Wed 12/167:10 pm
FLL
-
ISP
Nonstop2h 54m
Multiple Airlines
Deal found 7/25$220
This JetBlue deal was found by Cheapflights users on 7/28. 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.
Sat 9/267:00 am
ISP
-
FLL
Nonstop2h 59m
JetBlue
Wed 9/308:30 pm
FLL
-
ISP
Nonstop2h 52m
JetBlue
Deal found 7/28$221
This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:39 am
ISP
-
FLL
1 stop8h 56m
Multiple Airlines
Tue 9/158:30 pm
FLL
-
ISP
Nonstop2h 52m
Multiple Airlines
Deal found 7/27$224
This Priceline deal was found by Cheapflights users on 7/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
ISP
-
FLL
Nonstop3h 00m
Multiple Airlines
Fri 9/48:00 am
FLL
-
ISP
1 stop4h 20m
Multiple Airlines
Deal found 7/26$226
This Super.com deal was found by Cheapflights users on 7/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
ISP
-
FLL
Nonstop3h 00m
JetBlue
Sun 9/67:05 pm
FLL
-
ISP
Nonstop2h 59m
JetBlue
Deal found 7/27$227
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/1111:08 am
ISP
-
FLL
1 stop4h 37m
Breeze Airways
Tue 9/159:00 am
FLL
-
ISP
2 stops26h 20m
Breeze Airways
Deal found 7/25$228

Find flight deals from Islip to Fort Lauderdale

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Fort Lauderdale (FLL). 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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$215
(Priceline)

One-way from

$90
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$327

Good round-trip deal

$179 or less

Good one-way deal

$190 or less
Provider with most accurate pricing for Islip Long Island-Fort Lauderdale flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Fort Lauderdale flights.
Search Deals
From Islip Long Island to Fort Lauderdale
Search Deals
One-way flight from Islip Long Island to Fort Lauderdale
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Islip Long Island to Fort Lauderdale.
Search Deals
Price to beat on a one-way flight from Islip Long Island to Fort Lauderdale.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Fort Lauderdale 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 July 29, 2026.
Use the filters below to find and compare flights from Islip to Fort Lauderdale that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Sat 9/5

11:55 am-4:40 pm

1 stop4h 45m

Fort Lauderdale

Tue 9/8

2:55 pm-9:10 pm

1 stop6h 15m

$234

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Wed 9/9

10:55 am-3:45 pm

1 stop4h 50m

Fort Lauderdale

Mon 9/14

7:00 am-11:55 am

1 stop4h 55m

$239
Quickest round-trip

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Fri 10/2

3:10 pm-7:45 pm

1 stop4h 35m

Fort Lauderdale

Tue 10/6

7:10 am-12:10 pm

1 stop5h 00m

$283

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Fri 10/2

3:10 pm-7:45 pm

1 stop4h 35m

Fort Lauderdale

Mon 10/5

6:05 pm-11:10 pm

1 stop5h 05m

$283

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Thu 8/20

6:10 am-11:05 am

1 stop4h 55m

Fort Lauderdale

Fri 8/21

4:50 pm-9:30 pm

1 stop4h 40m

$328

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Sun 9/13

6:20 am-1:25 pm

2 stops7h 05m

Fort Lauderdale

Tue 9/15

8:15 am-9:10 pm

2 stops12h 55m

$355

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Tue 8/11

3:20 pm-8:10 pm

1 stop4h 50m

Fort Lauderdale

Tue 8/25

7:00 am-4:55 pm

2 stops9h 55m

$382

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Mon 8/24

1:15 pm-10:00 pm

2 stops8h 45m

Fort Lauderdale

Mon 8/31

7:00 am-4:25 pm

2 stops9h 25m

$382

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Sun 8/16

6:20 am-2:00 pm

2 stops7h 40m

Fort Lauderdale

Tue 8/18

2:55 pm-9:05 pm

1 stop6h 10m

$419
Cheapest one-way

IslipFort Lauderdale

ISP - FLL

ISPFLL

Islip Long Island

Mon 8/31

6:00 am-9:00 am

Nonstop3h 00m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Islip to Fort Lauderdale

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 Fort Lauderdale in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*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-Fort Lauderdale flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Fort Lauderdale flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Fort Lauderdale flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Fort Lauderdale flights, Cheapflights users trust FlightHub the most. FlightHub 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-Fort Lauderdale 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 Fort Lauderdale

Have a flexible travel schedule? Discover the best time to fly to Fort Lauderdale 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 Fort Lauderdale

How far ahead should I book a flight from Islip, New York to Fort Lauderdale?

The best time to book flights from Islip, New York to Fort Lauderdale is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Islip, New York to Fort Lauderdale?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Fort Lauderdale (average of $222). Flying from Islip, New York to Fort Lauderdale in April is currently the most expensive (average of $342). 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 FLL?

Find hourly flight availability from Islip to Fort Lauderdale. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 7% on flights from Islip, New York to Fort Lauderdale by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Islip, New York to Fort Lauderdale?

Use this chart to determine the cheapest time to fly round-trip from Islip to Fort Lauderdale. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their Islip, New York to Fort Lauderdale flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons 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 Fort Lauderdale?

Airfare is typical for this route at the moment.

Islip, New York to Fort Lauderdale flights typically cost between $179 and $388 in September.
The cheapest round-trip price found within the last 5 days was $215 on Multiple Airlines (Sep 7-Sep 14).

Reviews of airlines servicing Fort Lauderdale

Get insights into the airlines that provide service to Fort Lauderdale. 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 Fort Lauderdale. Reviews last updated July 29, 2026.
Read through reviews of airlines operating flights from Islip to Fort Lauderdale, such as Southwest,Delta, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,228 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Delta
7.8
Good
8,486 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
JetBlue
7.1
Good
3,023 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Frontier
5.6
Fair
2,749 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

Find useful and relevant information for your journey from Islip to Fort Lauderdale. 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 Fort Lauderdale?

    To fly from Islip to Fort Lauderdale, you need to book a flight from Long Island (ISP) to Fort Lauderdale (FLL). Nonstop flights to Fort Lauderdale from Islip Long Island take 2h 55m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Long Island to Fort Lauderdale offered by 4 different airlines.

  • How popular is this Islip, New York to Fort Lauderdale flight route?

    Flights from Islip Long Island to Fort Lauderdale have been viewed 18 times in the past calendar month.

  • How long is the flight from Islip, New York to Fort Lauderdale?

    Airlines like Southwest fly from Islip, New York to Fort Lauderdale in about 4h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Islip, New York to Fort Lauderdale is about 1093 mi.

  • What are the cheapest airlines flying from Islip, New York to Fort Lauderdale round-trip?

    Our cheapest airline available from Islip, New York to Fort Lauderdale is Frontier. Our recent data shows that you can find tickets from as low as $29 on this airline. Additional options worth looking into are Delta and Southwest, starting at $98 and $156 round-trip. Frontier is currently priced 90% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Islip, New York to Fort Lauderdale one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $39. However, be on the lookout for offers from JetBlue and Southwest, as they are both options that can get you from Islip, New York to Fort Lauderdale for a low price.

  • What are the cheapest flights from Islip, New York to Fort Lauderdale?

    Looking for the cheapest flight from Islip, New York to Fort Lauderdale? While on average our users pay $308, our data indicates the cheapest price to be $144. The most popular route (Islip Long Island - Fort Lauderdale), is priced around $217.

  • Can I find deals for flights from Islip to Fort Lauderdale that include hotel bookings?

    Yes. In addition to deals on Islip to Fort Lauderdale flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Fort Lauderdale?

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

  • Can I find deals for business class flights from Islip to Fort Lauderdale?

    Yes. Cheapflights offers flight deals from Islip to Fort Lauderdale 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 Fort Lauderdale?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Fort Lauderdale (average of $222). Flying from Islip, New York to Fort Lauderdale in April is currently the most expensive (average of $342). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Islip to Fort Lauderdale

Discover the top 4 airlines that operate flights from Islip to Fort Lauderdale. 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$289FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$297FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$156Average$396FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$160Average$291FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.