St. Louis to Ontario Flight Time, Distance, Route Map

Flight time from St. Louis, United States to Ontario, United States is 3 hours 6 minutes under avarage conditions. Our flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Actual flight times may vary depending on aircraft type, cruise speed, routing, weather conditions, passenger load, and other factors.

What is the Flight Distance Between St. Louis and Ontario?

The flight distance from St. Louis (United States) to Ontario (United States) is 1554 miles. This is equivalent to 2501 kilometers or 1350 nautical miles. The calculated distance (air line) is the straight line distance or direct flight distance between cities. The nearest airport to St. Louis, is Bi-State Parks Airport (CPS) and the nearest airport to Ontario, is Ontario International Airport (ONT).

St. Louis - Ontario Timezones & Time Difference

Current local time in St. Louis is 2024-11-22, 04:30:17 EST
Current local time in Ontario is 2024-11-22, 01:30:17 PST.
Time difference between St. Louis (United States) and Ontario (United States) is 3 Hours.
Ontario time is 3 Hours behind St. Louis.

St. Louis to Ontario Flight Route Map

Flight map from St. Louis, United States to Ontario, United States is given below.
Click the map to view St. Louis to Ontario nonstop flight path and travel direction.

The distance between cities calculated based on their latitudes and longitudes. This is also called distance as the crow flies. Bird flight distance is calculated by drawing a straight line between two point coordinates. The length of this drawn line will give the shortest distance value. This distance may be very much different from the actual travel distance.


St. Louis GPS Coordinates: Latitude: N 38° 37' 37.2'' Longitude: W 90° 11' 57.9''
Ontario GPS Coordinates: Latitude: N 34° 3' 48'' Longitude: W 117° 39' 3.2''

St. Louis Map, Where is St. Louis located?

Ontario Map, Where is Ontario located?