Frontier Airlines' longest route from Las Vegas Harry Reid International Airport (LAS) is to New York John F. Kennedy International Airport (JFK), coming in at 2,248 miles long. In February 2025, the ultra-low-cost carrier will operate 28 flights in each direction, equating to a daily service.

CLEVELAND, Ohio – Frontier Airlines is adding two new routes, to Boston and Nashville, to its growing list of destinations from Cleveland Hopkins International Airport. The new flights to Boston Logan International Airport will launch May 22 and run three times per week, on Sundays, Tuesdays and Thursdays.

Frontier will begin flying three new daily routes between Washington Dulles (IAD) and Dallas-Fort Worth (DFW), Miami and San Juan, Puerto Rico (SJU). Travelers heading from SJU can also enjoy thrice weekly flights to IAD.