Frontier Airlines operates out of what terminal is frontier at mco offers a variety of amenities, including dining options, shopping, and comfortable seating areas. Frontier’s check-in counters are located at the end of Terminal A, with self-service kiosks available for a quicker check-in process. After check-in, passengers proceed through security screening, which is efficient and well-organized. The terminal features clear signage to guide you to your departure gate. For connecting flights, MCO provides a convenient shuttle service and walkways linking Terminal A with other terminals, ensuring a smooth transfer between flights.