# Distance from Ontario (ONO) to St Louis (STL)

> 2,287 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,287 km / 1,421 mi / 1,235 nm
- **Estimated flight time**: 4h
- **Heading**: 96° (east)
- **Return heading**: 293° (west northwest)
- **Classification**: Medium-haul
- **Type**: Domestic (United States)
- **Time difference**: +1h (When it's 00:35 in Ontario, it's 01:35 in St Louis)
- **Elevation difference**: 1,576 ft (STL is lower than ONO)

## Airports

### [Ontario Municipal Airport (ONO)](https://www.flightduration.online/airport/ono-ontario-ontario-municipal-airport/1ef266df-30d1-6416-acc3-06bb2780ed98)

- City: Ontario, United States
- ICAO: KONO
- Timezone: America/Denver
- Coordinates: 44.020000, -117.010000
- Elevation: 2,193 ft

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 ft

## Route notes

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 00:35 in Ontario, it's 01:35 in St Louis.

## Related

- [Ontario Municipal Airport (ONO)](https://www.flightduration.online/airport/ono-ontario-ontario-municipal-airport/1ef266df-30d1-6416-acc3-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)