# Distance from Chiang Rai (CEI) to Cancun (CUN)

> 15,398 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,398 km / 9,568 mi / 8,314 nm
- **Estimated flight time**: 19h
- **Heading**: 10° (north)
- **Return heading**: 350° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → Mexico
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 08:26 in Chiang Rai, it's 20:26 in Cancun)
- **Elevation difference**: 1,258 ft (CUN 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

### [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)

- City: Cancun, Mexico
- ICAO: MMUN
- Timezone: America/Cancun
- Coordinates: 21.040000, -86.880000
- Elevation: 22 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 08:26 in Chiang Rai, it's 20:26 in Cancun.
With a 12-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)
- [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)
- [Flight duration calculator](/#calculator)