Spirit Airlines is a popular choice among travelers using Orlando International Airport (MCO) because of its low prices and straightforward service. Knowing the layout and features of the Spirit Airlines MCO Terminal will improve your trip and make sure you're ready for anything. Orlando International Airport serves millions of passengers annually, making it one of the busiest airports in the country. MCO serves as a hub for numerous airlines, including Spirit Airlines, thanks to its wide selection of local and international flights. The airport has a central terminal building with multiple concourses, each with a different selection of eateries, retail establishments, and services.