Spirit Airlines MCO Terminal Spirit Airlines offers travelers an affordable travel choice and is based out of Terminal A at Orlando International Airport (MCO). Spirit Airlines is well-known for its inexpensive tickets and provides a wide range of local and international destinations, making it a well-liked alternative for budget-conscious tourists. Spirit Airlines MCO Terminal offers effective check-in services at Terminal A, including self-service kiosks for speedy airport processing and online check-in via their website or mobile app. In order to enable time for security screening and check-in, passengers should arrive early.