Cheap Frontier Airlines flights Buffalo (BUF) to Islip (ISP)

Flights from Buffalo (BUF) to Islip (ISP)
Origin airport
Buffalo Niagara Intl.
Destination airport
MacArthur
Distance
325 mi

Frequently asked questions

How much is a Frontier Airlines flight from Buffalo Niagara Intl. Airport (BUF) to MacArthur Airport (ISP)?
Landing cheap one-way Frontier Airlines flights from BUF to ISP on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our affordable return fares for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BUF to ISP with Frontier Airlines?
Frontier Airlines flights to Islip are typically cheaper in the low-season months of January and February. Whether you're searching for a return or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Buffalo Niagara Intl. Airport (BUF) to MacArthur Airport (ISP) with Frontier Airlines?
Begin your search one to three months before your departure to score cheap fares on Frontier Airlines flights from Buffalo Niagara Intl. Airport (BUF) to MacArthur Airport (ISP). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Buffalo Niagara Intl. Airport (BUF) to MacArthur Airport (ISP)?
Enter your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from BUF to ISP with Frontier Airlines or other airlines.
What is the earliest Frontier Airlines flight from BUF to ISP?
To find the earliest departures from BUF to ISP with Frontier Airlines, sort your results by "Morning" and "Early Morning." Choosing an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Islip?
Hop on a Frontier Airlines flight from Buffalo Niagara Intl. Airport (BUF) to Islip, and you'll likely land at MacArthur Airport (ISP). This is the airline's primary hub in this city.
Why fly with Frontier Airlines from BUF to ISP?
With a rewarding loyalty program, Frontier Airlines is a top pick for many passengers journeying from BUF to ISP. Plus, if you're a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Buffalo Niagara Intl. Airport (BUF) to MacArthur Airport (ISP)?
In most cases, you can change or cancel your flight, although there may be a charge if your booking was made over 24 hours ago. Need to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you need to adjust your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.
*Available to One Key members.