$79 Cheap Frontier Airlines flights Myrtle Beach (MYR) to Islip (ISP)

Landing cheap one-way Frontier Airlines flights from MYR to ISP from $79 on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $137 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.

Look for one-way or return flights to Islip in January or February. You could find lower fares with Frontier Airlines during these off-peak times.

Look for cheap Frontier Airlines flights from Myrtle Beach Intl. Airport (MYR) to MacArthur Airport (ISP) one to three months prior to your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

To find out if there’s a direct trip from MYR to ISP with Frontier Airlines or any other airlines, check the “Nonstop” filter when browsing for tickets.

To find the earliest departure from MYR to ISP with Frontier Airlines, sort your results by “Morning” and “Early Morning.” Booking an early flight usually 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.

Frontier Airlines flights from Myrtle Beach Intl. Airport (MYR) to Islip come in to land at MacArthur Airport (ISP). This is the main gateway to this city.

With a rewarding loyalty program, Frontier Airlines is a favorite of many travelers flying from MYR to ISP. Plus, as 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.

It’s usually possible to modify or cancel your flight, although there may be a charge if your booking was made more than 24 hours ago. Prefer to keep your options open? Make use of Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to alter your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for further information.