# Distance from Seoul (ICN) to Chillan (YAI)

> 18,374 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,374 km / 11,417 mi / 9,921 nm
- **Estimated flight time**: 23h
- **Heading**: 92° (east)
- **Return heading**: 279° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Chile
- **Intercontinental**: Asia → South America
- **Time difference**: -13h (When it's 05:26 in Seoul, it's 16:26 in Chillan)
- **Elevation difference**: 472 ft (YAI 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

### [Gral. Bernardo O´Higgins Airport (YAI)](https://www.flightduration.online/airport/yai-chillan-gral-bernardo-ohiggins-airport/1ef266df-9857-6130-88a5-06bb2780ed98)

- City: Chillan, Chile
- ICAO: SCCH
- Timezone: America/Santiago
- Coordinates: -36.580000, -72.030000
- Elevation: 495 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 05:26 in Seoul, it's 16:26 in Chillan.
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)
- [Gral. Bernardo O´Higgins Airport (YAI)](https://www.flightduration.online/airport/yai-chillan-gral-bernardo-ohiggins-airport/1ef266df-9857-6130-88a5-06bb2780ed98)
- [Flight duration calculator](/#calculator)