At the Frontier Airlines MCO Terminal, check-in counters are located on Level 3 of Terminal A at Orlando International Airport. This is where passengers can check in for their flights, drop off luggage, and obtain boarding passes. The area is well-marked and easily accessible via escalators, elevators, or the main terminal entrance. It's recommended to arrive at least two hours before... https://airlineofficedetails.com/frontier-airlines-orlando-airport-terminal-mco/