The majority of Frontier Airlines' flights originate from San Juan, Puerto Rico's Luis Muñoz Marín International Airport (SJU), Terminal A. This modern
Frontier Airlines SJU Terminal features quick check-in counters, security, and boarding amenities that ensure a smooth travel experience. Wi-Fi, shops, and restaurants are some of the facilities accessible to tourists. With affordable, low-cost flights, Frontier Airlines links passengers to a variety of destinations in the Caribbean and the US. Get there early to avoid any hassles.