At Orlando International Airport (MCO), Frontier Airlines is based in Terminal A. Terminal A is renowned for its sleek, contemporary architecture and array of services, including eateries, shops, and cozy seating sections for passengers. Arrivals and baggage claim are on Level 2 of the terminal, and Frontier's check-in desks are on Level 3. https://airlineterminalservice.com/frontier-airlines/frontier-airlines-mco-terminal-orlando-international-airport/