- Hey, At Charleston International Airport's CHS Terminal, Copa Airlines CHS Terminal provides passengers with easy access to Latin American destinations. The airline offers a pleasant journey with its state-of-the-art amenities and effective services. Amenities for travelers include lounges, check-in kiosks, and convenient access to a number of international routes. In order to improve travel efficiency for both business and leisure passengers, the CHS Terminal was developed to optimize departures and arrivals.