# Distance from Irkutsk (IKT) to St Louis (STL)

> 9,794 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,794 km / 6,086 mi / 5,288 nm
- **Estimated flight time**: 13h
- **Heading**: 11° (north northeast)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Russia) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -13h (When it's 09:56 in Irkutsk, it's 20:56 in St Louis)
- **Elevation difference**: 1,058 ft (STL is lower than IKT)

## Airports

### [Irkutsk Airport (IKT)](https://www.flightduration.online/airport/ikt-irkutsk-irkutsk-airport/1ef266df-e65d-6cd0-a35f-06bb2780ed98)

- City: Irkutsk, Russia
- ICAO: UIII
- Timezone: Asia/Irkutsk
- Coordinates: 52.270000, 104.390000
- Elevation: 1,675 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 an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 09:56 in Irkutsk, it's 20:56 in St Louis.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Irkutsk Airport (IKT)](https://www.flightduration.online/airport/ikt-irkutsk-irkutsk-airport/1ef266df-e65d-6cd0-a35f-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)