# Distance from Heihe (HEK) to Seoul (ICN)

> 1,414 km · estimated flight time 3h · Short-haul route.

## Summary

- **Distance**: 1,414 km / 879 mi / 763 nm
- **Estimated flight time**: 3h
- **Heading**: 183° (south)
- **Return heading**: 3° (north)
- **Classification**: Short-haul
- **Type**: International (China) → South Korea
- **Time difference**: +1h (When it's 12:28 in Heihe, it's 13:28 in Seoul)
- **Elevation difference**: 8,507 ft (ICN is lower than HEK)

## Airports

### [Heihe Airport (HEK)](https://www.flightduration.online/airport/hek-heihe-heihe-airport/1ef266e0-2140-6e10-86b3-06bb2780ed98)

- City: Heihe, China
- ICAO: ZYHE
- Timezone: Asia/Shanghai
- Coordinates: 50.170000, 127.310000
- Elevation: 8,530 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 12:28 in Heihe, it's 13:28 in Seoul.

## Related

- [Heihe Airport (HEK)](https://www.flightduration.online/airport/hek-heihe-heihe-airport/1ef266e0-2140-6e10-86b3-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)