What terminal is Spirit Airlines at MCO refers to the question about the specific terminal where Spirit Airlines operates at Orlando International Airport (MCO). The answer to What terminal is Spirit Airlines at MCO is Terminal A. Passengers flying with Spirit Airlines can find their check-in counters, gates, and other services in Terminal A, which is dedicated to several airlines, including Spirit. This terminal provides various amenities like dining options, retail shops, and comfortable waiting areas, ensuring a convenient travel experience for passengers flying through Orlando International Airport.