Main terminal
One terminal building. The security checkpoint serves both concourses.
Charleston International Airport (CHS) terminal guide
Charleston, South Carolina KCHS #57 US airport by passengers
How CHS is laid out and how to move between buildings.
Terminals at CHS
Concourse A
Eight gates, mostly Delta and Delta Connection flights.
Concourse B
Ten gates for the other airlines, including international arrivals. The Club CHS lounge is here, airside near Concourse B.
Moving between terminals
Both concourses sit behind the same security checkpoint and are connected airside. You walk between them after screening, so you do not need to clear security again.
Reviewed October 8, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
Which concourse is my airline in at CHS?
Delta and Delta Connection use Concourse A, which has eight gates. Other airlines, including Alaska, American, JetBlue, Southwest, Spirit, United and international carriers, use Concourse B, which has ten gates.
Can I check bags before the terminal?
Yes, with several airlines. The airport lists Alaska, American, Delta, JetBlue, Southwest, Spirit and United for curbside or Daily Garage bag check. Confirm the service with your airline.