Montreal→St. LouisNonstop Flight TimeYUL–STL

Montreal (Montreal-Trudeau International Airport) to St. Louis (St. Louis Lambert International Airport).

Direct flights from YUL to STL have an estimated flight time of about 2h 35m, based on the 968-mile great-circle distance. Our current captured departure sample includes 1/day across 1 captured airline, with Air Canada appearing most often in that sample. Captured departure times run from 18:30 to 18:30 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for YUL to STL, last seen June 15, 2026. Frequency uses 7 scheduled departures across 7 observed days; 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.