Terminal 1
Concourse A serves Air Canada, Delta, United and charter flights. Concourse C serves American, Alaska, Frontier and Southern Airways Express. The American Admirals Club and the USO lounge are here.
St. Louis Lambert International Airport (STL) terminal guide
St Louis, Missouri KSTL #35 US airport by passengers
How STL is laid out and how to move between buildings.
Terminals at STL
Terminal 2
Concourse E serves Southwest, Lufthansa and other international flights, with the Wingtips Lounge near gates E22 and E31. Terminal 2 stays open around the clock.
Moving between terminals
The airport shuttle connects Terminals 1 and 2 on the landside, about every 8 to 15 minutes, and it takes about 10 minutes. Because the shuttle is landside, you must go through security again if you transfer between terminals.
Reviewed October 9, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
Is the Terminal 1 MetroLink station open?
It is temporarily closed from October 12 to mid-December 2026 for airport construction. Take MetroLink to the Terminal 2 station, then use the free airport shuttle to Terminal 1.