Frontier Airlines operates from Terminal A at Orlando International Airport. Terminal A is part of the main airport building, located on the north side, and it’s one of the most accessible and efficient terminals for domestic travel. Once you’ve checked in at Terminal A, you’ll proceed to Airside 1, where Frontier flights board and depart. To understand where to check in, board, an... https://airlinestermnals.com/frontier-airlines-mco-terminal-orlando-international-airport/