$34 Cheap Flights from Fort Lauderdale (FLL) to Islip (ISP)

View $34 flight on Tue, May 6, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Fort Lauderdale to Islip (FLL-ISP)

Prices were available within the past 7 days and start at $34 for one-way flights and $68 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Apr 30 - Sat, May 3
FLL
Fort Lauderdale
ISP
Islip
$68 Roundtrip, found 3 hours ago
$68
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Apr 30 from Fort Lauderdale to Islip, returning Sat, May 3, priced at $68 found 3 hours ago
Frontier Airlines
Sat, May 10 - Sun, May 11
FLL
Fort Lauderdale
ISP
Islip
$76 Roundtrip, found 2 hours ago
$76
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 10 from Fort Lauderdale to Islip, returning Sun, May 11, priced at $76 found 2 hours ago
Frontier Airlines
Tue, May 6 - Mon, May 12
FLL
Fort Lauderdale
ISP
Islip
$83 Roundtrip, found 6 hours ago
$83
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Tue, May 6 from Fort Lauderdale to Islip, returning Mon, May 12, priced at $83 found 6 hours ago
Frontier Airlines
Fri, May 9 - Sun, May 11
FLL
Fort Lauderdale
ISP
Islip
$84 Roundtrip, found 4 hours ago
$84
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, May 9 from Fort Lauderdale to Islip, returning Sun, May 11, priced at $84 found 4 hours ago
Frontier Airlines
Wed, Apr 30 - Mon, May 5
FLL
Fort Lauderdale
ISP
Islip
$88 Roundtrip, found 3 hours ago
$88
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Apr 30 from Fort Lauderdale to Islip, returning Mon, May 5, priced at $88 found 3 hours ago
Frontier Airlines
Sat, May 3 - Tue, May 13
FLL
Fort Lauderdale
ISP
Islip
$91 Roundtrip, found 1 day ago
$91
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 3 from Fort Lauderdale to Islip, returning Tue, May 13, priced at $91 found 1 day ago
Frontier Airlines
Thu, May 8 - Mon, May 12
FLL
Fort Lauderdale
ISP
Islip
$91 Roundtrip, found 3 hours ago
$91
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 8 from Fort Lauderdale to Islip, returning Mon, May 12, priced at $91 found 3 hours ago
JetBlue Airways
Thu, May 15 - Tue, May 20
FLL
Fort Lauderdale
ISP
Islip
$92 Roundtrip, found 3 hours ago
$92
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Thu, May 15 from Fort Lauderdale to Islip, returning Tue, May 20, priced at $92 found 3 hours ago
JetBlue Airways
Wed, Jun 4 - Mon, Jun 9
FLL
Fort Lauderdale
ISP
Islip
$93 Roundtrip, found 2 hours ago
$93
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Wed, Jun 4 from Fort Lauderdale to Islip, returning Mon, Jun 9, priced at $93 found 2 hours ago
Southwest Airlines
Wed, May 7 - Wed, May 14
FLL
Fort Lauderdale
ISP
Islip
$105 Roundtrip, found 6 hours ago
$105
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, May 7 from Fort Lauderdale to Islip, returning Wed, May 14, priced at $105 found 6 hours ago
Flights from Fort Lauderdale (FLL) to Islip (ISP)
Origin airport
Fort Lauderdale - Hollywood Intl.
Destination airport
MacArthur
Airlines serving
Frontier Airlines, JetBlue Airways, Southwest Airlines
Roundtrip price
$68
Distance
1094 mi

Fort Lauderdale to Islip Flights

The cheapest times to fly from Fort Lauderdale 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 Fort Lauderdale to Islip are during the month of April. You can find some of the cheapest flights from Fort Lauderdale to Islip with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Fort Lauderdale to Islip

Sunday is one of the best days to book for cheap flights from Fort Lauderdale 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 Fort Lauderdale 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 Fort Lauderdale to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $34 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 Fort Lauderdale 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 Fort Lauderdale 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.

Frequently asked questions

How much does a flight from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP) cost?
Cheap return fares from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP) start at $84. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving FLL on May 16 2025 and touching down at ISP. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from FLL to ISP?
The cheapest flights from FLL to ISP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP)?
Fly directly from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP) on a JetBlue Airways flight.
What is the cheapest airline that flies from FLL to ISP?
Right now, the cheapest airline offering one-way flights from FLL to ISP is Frontier Airlines. You can jet off on this route from $42. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from FLL on May 21 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP)?
On average you can take your pick of 4 direct weekly flights from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP). To increase your travel options, consider taking a flight with a layover. Enter your dates on Expedia and then filter your search to show one or more stops.
What are the most popular departure times for flights from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP)?
Flights between FLL and ISP tend to be busiest at 8 AM. If you want a less crowded experience and possibly cheaper prices, choose a departure that’s outside typical rush times.
What day of the week has the most flights from FLL to ISP?
If you travel on a Saturday, you’ll get the widest range of options for flights from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP).
What is the earliest flight from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP)?
Catch the earliest flight at around 8:55AM UTC-5, leaving from Fort Lauderdale - Hollywood Intl. Airport (FLL). You’ll be flying for around 2h 50m, landing at MacArthur Airport (ISP) at approximately 11:45AM UTC-5.
How long does it take to fly from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP)?
Flights from FLL to ISP have an average travel time of 2 hours and 50 minutes. The distance between these two airports is 1,100 mi.
What is the best time to fly from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP)?
To arrive at MacArthur Airport (ISP) without delays, select a flight that leaves from Fort Lauderdale - Hollywood Intl. Airport (FLL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Fort Lauderdale - Hollywood Intl. Airport (FLL)?
A direct flight from Fort Lauderdale - Hollywood Intl. Airport (FLL) will take you straight to one of these airports in Islip:

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

Is it cheaper to buy a plane ticket from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP) last-minute?
Booking your ticket from FLL to ISP right before your journey is typically more expensive. However, if there’s some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a FLL to ISP flight and hotel package?
Opting for a FLL to ISP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Fort Lauderdale - Hollywood Intl. Airport (FLL) to MacArthur Airport (ISP)?
In most instances, you’re able to reschedule or cancel your FLL 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 rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.