# Distance from Chiang Rai (CEI) to London (LHR)

> 8,972 km · estimated flight time 12h · Long-haul route.

## Summary

- **Distance**: 8,972 km / 5,575 mi / 4,845 nm
- **Estimated flight time**: 12h
- **Heading**: 322° (northwest)
- **Return heading**: 70° (east northeast)
- **Classification**: Long-haul
- **Type**: International (Thailand) → United Kingdom
- **Intercontinental**: Asia → Europe
- **Time difference**: -6h (When it's 15:07 in Chiang Rai, it's 09:07 in London)
- **Elevation difference**: 1,197 ft (LHR 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

### [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGLL
- Timezone: Europe/London
- Coordinates: 51.470000, -0.460000
- Elevation: 83 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 15:07 in Chiang Rai, it's 09:07 in London.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Chiang Rai International Airport (CEI)](https://www.flightduration.online/airport/cei-chiang-rai-chiang-rai-international-airport/1ef266df-f548-6b50-a273-06bb2780ed98)
- [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)
- [Flight duration calculator](/#calculator)