
$185 Cheap Frontier Airlines flights from Fort Lauderdale to Islip (FLL to ISP)
Find The Best Day To Fly from Fort Lauderdale to Islip
Amazing Frontier Airlines FLL to ISP Flight Deals
The cheapest flights to MacArthur found within the past 7 days were $401 round trip and $185 one way. Prices and availability subject to change. Additional terms may apply.
ISP From FLL Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best Frontier Airlines flight from Fort Lauderdale FLL to Islip ISP
To find the best deals on flights to Fort Lauderdale from Islip with Frontier Airlines, just enter your travel dates, filter by Frontier Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Fort Lauderdale FLL to Islip ISP with Frontier Airlines
If you’re planning a round trip, booking return flights with Frontier Airlines is usually the most cost-effective option. With airfares ranging from $401 to $401, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Frontier Airlines flights from Fort Lauderdale FLL to Islip ISP
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Frontier Airlines flight from Fort Lauderdale to Islip costs from $185. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Islip ISP from Fort Lauderdale FLL with Frontier Airlines
To find a cheap Frontier Airlines flight from Fort Lauderdale FLL to Islip ISP, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Frontier Airlines flights from Fort Lauderdale FLL to Islip ISP
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as December, or if you book a flight with a stopover.
Find nonstop flights from Fort Lauderdale FLL to Islip ISP with Frontier Airlines
If you’re keen to be on Islip soil fast, don’t waste time with a stopover—filter your search results to show direct Frontier Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Frontier Airlines flights from Fort Lauderdale FLL to Islip ISP
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Islip ISP from Fort Lauderdale FLL with Frontier Airlines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
DEN | USA | Denver Intl. | 13 |
MCO | USA | Orlando Intl. | 7 |
CUN | MEX | Cancun Intl. | 6 |
GDL | MEX | Don Miguel Hidalgo y Costilla Intl. | 5 |
PHL | USA | Philadelphia Intl. | 2 |
ORD | USA | O'Hare Intl. | 2 |
MIA | USA | Miami Intl. | 1 |
LAS | USA | McCarran Intl. | 1 |
MEX | MEX | Mexico City Intl. | 1 |
LAX | USA | Los Angeles Intl. | 1 |
Travelers ❤️ these 🏨 after their flight to Islip

La Quinta Inn & Suites by Wyndham Islip - MacArthur Airport
Reviewed on Jul 29, 2025

Clarion Hotel & Conference Center
Reviewed on Jul 29, 2025

Hilton Garden Inn Islip/MacArthur Airport
Reviewed on Jul 26, 2025
Top Frontier Airlines Flight Routes from ISP
Domestic
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Atlanta to Fort Lauderdale (ATL - FLL)
- Newark Liberty Intl. Airport to Los Angeles (EWR - LAX)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Atlanta to Fort Lauderdale (ATL - FLL)
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- Atlanta to New York (ATL - JFK)
- Los Angeles to Las Vegas (LAX - LAS)
International
- Atlanta to New York (ATL - JFK)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Los Angeles to New York (LAX - LGA)
- Philadelphia to Orlando (PHL - MCO)
- New York to Fort Lauderdale (JFK - FLL)
- New York to San Juan (JFK - SJU)
- Atlanta to Miami (ATL - MIA)
- Atlanta to New York (ATL - LGA)
- New York to San Juan (JFK - SJU)
Most Popular
- Atlanta to Miami (ATL - MIA)
- Philadelphia to Miami (PHL - MIA)
- JetBlue Airways Boston (BOS) to Orlando (MCO) flights
- Boston to Miami (BOS - MIA)
- JetBlue Airways Boston (BOS) to Las Vegas (LAS) flights
- Baltimore to Orlando (BWI - MCO)
- Dallas to Atlanta (DFW - ATL)
- Chicago to Orlando (ORD - MCO)
- Los Angeles to Orlando (LAX - MCO)
- Boston to Los Angeles (BOS - LAX)
- Los Angeles to Miami (LAX - MIA)
- Delta Atlanta (ATL) to Las Vegas (LAS) flights
- Dallas to Orlando (DFW - MCO)
- Los Angeles to Dallas (LAX - DFW)
- Los Angeles to New York (LAX - JFK)
- New York to Los Angeles (JFK - LAX)
- Delta Minneapolis - St. Paul (MSP) to Las Vegas (LAS) flights
- New York to Orlando (JFK - MCO)
- New York to Miami (JFK - MIA)
- Hawaiian Airlines Orlando (MCO) to Honolulu (HNL) flights
- San Francisco to New York (SFO - JFK)
- New York to Atlanta (JFK - ATL)
- Philadelphia to Orlando (PHL - MCO)
- Los Angeles to Boston (LAX - BOS)
- Detroit to Orlando (DTW - MCO)
- New York to London (JFK - LHR)
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- New York to San Francisco (JFK - SFO)
- Atlanta to Orlando (ATL - MCO)
- Dallas to Los Angeles (DFW - LAX)