<p data-pm-slice="0 0 []">Frontier Airlines operates from Terminal A at Orlando International Airport (MCO). If you're wondering, what terminal is Frontier Airlines at MCO, it's Terminal A where all Frontier flights are processed for both departures and arrivals. This terminal is known for its traveler-friendly layout, clear signs, and a range of amenities to make your airport experience smoother. Frontier&rsquo;s check-in counters are usually located on the first level, where you can drop off your bags and get your boarding pass. Once you pass through security, you&rsquo;ll find a variety of restaurants, shops, and seating areas to enjoy while waiting for your flight. It&rsquo;s always a good idea to check your boarding pass or airport screens for any gate updates or changes.