# Distance from Seoul (ICN) to Ulan Bator (ULN)

> 1,971 km · estimated flight time 3h · Medium-haul route.

## Summary

- **Distance**: 1,971 km / 1,224 mi / 1,064 nm
- **Estimated flight time**: 3h
- **Heading**: 312° (northwest)
- **Return heading**: 119° (east southeast)
- **Classification**: Medium-haul
- **Type**: International (South Korea) → Mongolia
- **Time difference**: -1h (When it's 08:51 in Seoul, it's 07:51 in Ulan Bator)
- **Elevation difference**: 4,341 ft (ULN 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

### [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)

- City: Ulan Bator, Mongolia
- ICAO: ZMUB
- Timezone: Asia/Ulaanbaatar
- Coordinates: 47.840000, 106.770000
- Elevation: 4,364 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 08:51 in Seoul, it's 07:51 in Ulan Bator.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)
- [Flight duration calculator](/#calculator)