If you're flying with Frontier Airlines from Charlotte Douglas International Airport (CLT), it's important to know where to go before your trip. So, what terminal is Frontier Airlines at CLT? Frontier Airlines operates out of Concourse A at CLT, which is located in the airport’s main terminal complex. This concourse is home to several low-cost carriers, making it convenient and relati... https://airlinesairportsterminals.com/frontier-airlines/clt-terminal-charlotte-douglas-international-airport/