STLSt. Louis·Lambert St Louis International·St. Louis, United States
Recommended minimum45 minutes
Concourses
2
Terminal 1 (Main Terminal), Terminal 2 (East Terminal)
Max Transit
20m
via walking
Avg. Security
15m
~8m with PreCheck
Primary Hub
Southwest Airlines
Domestic → Domestic
40min
Domestic → International
60min
International → Domestic
75min
International → International
70min
St. Louis skylinePhoto by James L on Pexels
AD PLACEMENT — CONTEXTUAL
Terminal 1 and Terminal 2 are connected by an enclosed pedestrian walkway of roughly 10-15 minutes, as well as a free shuttle bus and the MetroLink light rail (a couple of stops), both of which take 10-20 minutes depending on waits. Passengers connecting within the same terminal rarely need to leave the secure area, but those switching terminals who exit security may need to clear TSA screening again on the other side.
12a6a12p6p12a
Low risk
Moderate
High risk
Compact two-terminal layout
Southwest Airlines' operational hub
Low congestion compared to major hubs
Limited international connections
Southwest Airlines
Is 30 minutes enough for a layover at STL?

30 minutes is below the standard minimum connect time even within one terminal. See full 30 min guide →

Is 45 minutes enough for a layover at STL?

Comfortable for same-terminal connections and doable for a cross-terminal walk without major delays. See full 45 min guide →

Is 1 hour enough for a layover at STL?

An hour covers even international arrivals connecting to a domestic flight in most cases. See full 1 hr guide →

Is 1 hour 15 min enough for a layover at STL?

Comfortably meets STL's international-domestic MCT with room to spare. See full 1¼ hr guide →

Is 1½ hours enough for a layover at STL?

Ample time for any combination of terminals and security requirements. See full 1½ hr guide →

Is 2 hours enough for a layover at STL?

Two hours is generous at a low-congestion airport like STL. See full 2 hr guide →

Is 2½ hours enough for a layover at STL?

Far more time than needed for any STL connection scenario. See full 2½ hr guide →

Is 3 hours enough for a layover at STL?

Three hours turns a simple connection into a long layover at STL. See full 3 hr guide →

Is 4 hours enough for a layover at STL?

Four hours is excessive for STL's compact, low-traffic layout. See full 4 hr guide →

AD PLACEMENT — BEFORE FOOTER