Air distance from Tucson, USA to St. Louis, USA is 1227.9 Miles (1976.2 Kilometers / 1066.3 Nautical Miles).
2 hrs, 44 mins is the flight duration between Tucson and St. Louis. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.