# Distance from Seoul (ICN) to Ban Huoeisay Airport (OUI)

> 3,156 km · estimated flight time 5h · Medium-haul route.

## Summary

- **Distance**: 3,156 km / 1,961 mi / 1,704 nm
- **Estimated flight time**: 5h
- **Heading**: 240° (west southwest)
- **Return heading**: 47° (northeast)
- **Classification**: Medium-haul
- **Type**: International (South Korea) → Laos
- **Time difference**: -2h (When it's 07:25 in Seoul, it's 05:25 in Ban Huoeisay Airport)
- **Elevation difference**: 1,357 ft (OUI 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

### [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)

- City: Ban Huoeisay Airport, Laos
- ICAO: VLHS
- Timezone: Asia/Vientiane
- Coordinates: 20.260000, 100.440000
- Elevation: 1,380 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 07:25 in Seoul, it's 05:25 in Ban Huoeisay Airport.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)
- [Flight duration calculator](/#calculator)