Orlando International Airport’s (MCO) Terminal A is home to Frontier Airlines. Dining establishments and retail stores are among the services offered by this Frontier Airlines MCO Terminal to improve the traveler experience. Convenient check-in options and effective security procedures are available to passengers. Frontier Airlines is a low-cost airline that provides a selection of flights to different locations. Terminal A has everything you need for a hassle-free travel, whether you’re leaving on a business or leisure trip.