St. Louis→CheyenneNonstop Flight TimeSTL–CYS

St. Louis (St. Louis Lambert International Airport) to Cheyenne (Cheyenne Regional/Jerry Olson Field).

Direct flights from STL to CYS have an estimated flight time of about 2h 12m, based on the 782-mile great-circle distance. Our current captured departure sample includes weekly across 1 captured airline, with Sun Country Airlines appearing most often in that sample. Captured departure times run from 08:00 to 08:00 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for STL to CYS, last seen June 15, 2026. Frequency uses 1 scheduled departures across 1 observed day; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.