# Distance from Chiang Rai (CEI) to Seoul (ICN)

> 3,222 km · estimated flight time 5h · Medium-haul route.

## Summary

- **Distance**: 3,222 km / 2,002 mi / 1,740 nm
- **Estimated flight time**: 5h
- **Heading**: 47° (northeast)
- **Return heading**: 240° (west southwest)
- **Classification**: Medium-haul
- **Type**: International (Thailand) → South Korea
- **Time difference**: +2h (When it's 23:22 in Chiang Rai, it's 01:22 in Seoul)
- **Elevation difference**: 1,257 ft (ICN is lower than CEI)

## Airports

### [Chiang Rai International Airport (CEI)](https://www.flightduration.online/airport/cei-chiang-rai-chiang-rai-international-airport/1ef266df-f548-6b50-a273-06bb2780ed98)

- City: Chiang Rai, Thailand
- ICAO: VTCT
- Timezone: Asia/Bangkok
- Coordinates: 19.950000, 99.880000
- Elevation: 1,280 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 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 23:22 in Chiang Rai, it's 01:22 in Seoul.

## Related

- [Chiang Rai International Airport (CEI)](https://www.flightduration.online/airport/cei-chiang-rai-chiang-rai-international-airport/1ef266df-f548-6b50-a273-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)