# Distance from Seoul (ICN) to Sion (SIR)

> 8,906 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,906 km / 5,534 mi / 4,809 nm
- **Estimated flight time**: 11h
- **Heading**: 322° (northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Long-haul
- **Type**: International (South Korea) → Switzerland
- **Intercontinental**: Asia → Europe
- **Time difference**: -7h (When it's 19:16 in Seoul, it's 12:16 in Sion)
- **Elevation difference**: 1,562 ft (SIR is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 ft

### [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)

- City: Sion, Switzerland
- ICAO: LSGS
- Timezone: Europe/Zurich
- Coordinates: 46.220000, 7.330000
- Elevation: 1,585 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 19:16 in Seoul, it's 12:16 in Sion.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)
- [Flight duration calculator](/#calculator)