# Distance from Seoul (ICN) to Chaiten (WCH)

> 18,284 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,284 km / 11,361 mi / 9,872 nm
- **Estimated flight time**: 23h
- **Heading**: 117° (east southeast)
- **Return heading**: 256° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Chile
- **Intercontinental**: Asia → South America
- **Time difference**: -13h (When it's 02:54 in Seoul, it's 13:54 in Chaiten)
- **Elevation difference**: 10 ft (WCH is lower 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

### [Chaiten Airport (WCH)](https://www.flightduration.online/airport/wch-chaiten-chaiten-airport/1ef266df-9dfe-6be2-9e33-06bb2780ed98)

- City: Chaiten, Chile
- ICAO: SCTN
- Timezone: America/Santiago
- Coordinates: -42.930000, -72.700000
- Elevation: 13 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 02:54 in Seoul, it's 13:54 in Chaiten.
With a 13-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)
- [Chaiten Airport (WCH)](https://www.flightduration.online/airport/wch-chaiten-chaiten-airport/1ef266df-9dfe-6be2-9e33-06bb2780ed98)
- [Flight duration calculator](/#calculator)