$43 Cheap Flights from Islip (ISP) to Fort Myers (RSW)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Islip to Fort Myers (ISP-RSW)

Prices were available within the past 7 days and start at $43 for one-way flights and $92 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Breeze Airways
Frontier Airlines
Frontier Airlines
Breeze Airways
Frontier Airlines
JetBlue Airways
Southwest Airlines

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW) cost?
You can land cheap return fares from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW) starting at $98. Book your seat and be on your way. 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 ISP on May 14 2025 and touching down at RSW. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from ISP to RSW?
The cheapest flights from ISP to RSW 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 MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW)?
Board a direct flight with Breeze Airways and journey straight from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW).
What is the cheapest airline that flies from ISP to RSW?
With prices starting from $49 for a one-way journey from ISP to RSW, Frontier Airlines is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ISP on May 21 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW)?
On average, MacArthur Airport (ISP) has 4 nonstop flights to Southwest Florida Intl. Airport (RSW) per week. If you want more options, take advantage of Expedia’s filters to find flights with a layover. Squeeze in a visit to another city or just break up your journey.
What are the most popular departure times for flights from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW)?
More people fly between ISP and RSW at 6 PM than at any other time of day. Looking for a quieter experience? Pick a flight outside the busiest times and you’re likely to save on your ticket as well.
What day of the week has the most flights from ISP to RSW?
If you jet off on a Friday, you’ll get the largest range of choices for flights from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW).
What is the earliest flight from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW)?
MacArthur Airport (ISP)’s first flight to Southwest Florida Intl. Airport (RSW) takes off at approximately 6:39PM UTC-5. With a total travel time of 3h 20m, you’ll land at around 9:59PM UTC-5.
How long does it take to fly from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW)?
Typically, it takes 3 hours and 18 minutes to fly the 1,100 mi from ISP to RSW.
What is the best time to fly from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW)?
To avoid potential delays on the MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Fort Myers from MacArthur Airport (ISP)?
Browse your flight options from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW). This is the only Fort Myers airport you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW) last-minute?
Booking your flight from ISP to RSW just before your getaway is usually more expensive. However, if you’re flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an ISP to RSW flight and hotel package?
Securing an ISP to RSW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Southwest Florida Intl. Airport (RSW)?
In most instances, you’re able to cancel or reschedule your ISP to RSW flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you want more details, go to our Customer Service portal.
*Available to One Key members.