The flight time to Longmont from St. Louis is 1 hours 34 minutes . This is approximate direct flying time, and include average plane speed 510 miles per hour. Total flight distance between St. Louis, MO and Longmont, CO is about eight hundred and two miles or one thousand, two hundred and ninety km. Real time can be different, and depends on the time of day, the type of aircraft, and can be significantly longer if there are transplants during the flight.
Flying time is about 1 hours 34 minutes
Select arrival and departure cities, current are St. Louis, MO and CO
This flight will take about one hours thirty-four minutes ;
You can buy ticket to plane or drive by car, check ; distance in miles between St. Louis and Longmont
| Aircraft | Cruising speed | Time |
| Average | 510 mph | 1 hr 34 min |
| Boeing 737 | 515 mph | 1 hr 33 min |
| Boeing 777 | 554 mph | 1 hr 26 min |
| Airbus | 515 mph | 1 hr 33 min |
Dont forget to include time in airport before and after flight.
| Country | USA |
| State | Missouri |
| City | St. Louis, MO |
| Latitude | 38.62727 |
| Longitude | -90.19789 |
| Country | USA |
| State | Colorado |
| City | Longmont, CO |
| Latitude | 40.16721 |
| Longitude | -105.10193 |
Please note: current air time calculator show approximate distance and time between cities St. Louis, MO and Longmont, CO. This values can be different if you flight from airports in this cities. To calculate exact time can be shown only when you buy ticket to the plane. We do not guarantee that there is an airline that connects city St. Louis and Longmont. To find out if there is such a flight use the ticket purchase service.