# Distance from Ulanhot (HLH) to Seoul (ICN)

> 1,038 km · estimated flight time 2h · Short-haul route.

## Summary

- **Distance**: 1,038 km / 645 mi / 560 nm
- **Estimated flight time**: 2h
- **Heading**: 158° (south southeast)
- **Return heading**: 341° (north northwest)
- **Classification**: Short-haul
- **Type**: International (China) → South Korea
- **Time difference**: +1h (When it's 16:10 in Ulanhot, it's 17:10 in Seoul)
- **Elevation difference**: 23 ft (ICN is higher than HLH)

## Airports

### [Ulanhot Airport (HLH)](https://www.flightduration.online/airport/hlh-ulanhot-ulanhot-airport/1ef266e0-1e51-6c54-a1c9-06bb2780ed98)

- City: Ulanhot, China
- ICAO: ZBUL
- Timezone: Asia/Shanghai
- Coordinates: 46.200000, 122.010000
- Elevation: 0 ft

### [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

## Route notes

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

Time-zone information: When it's 16:10 in Ulanhot, it's 17:10 in Seoul.

## Related

- [Ulanhot Airport (HLH)](https://www.flightduration.online/airport/hlh-ulanhot-ulanhot-airport/1ef266e0-1e51-6c54-a1c9-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)