Frontier Airlines operates out of Terminal A at MCO, specifically using Airside 1. Terminal A is on the north side of the airport's main terminal complex and is connected to the airside concourses by automated people movers (trams). This terminal is shared with other domestic carriers but has clear signage and layout to help guide passengers.
Ultimate Travel Guide to Frontier Airlines MCO Terminal at Orlando International...
Everything You Need to Know About Frontier Airlines MCO Terminal at Orlando Inte...