- Cheap flights from Rio Mayo (ROY) to Chiang Rai (CEI) (2026) | Expedia.co.th

A detailed ceiling with intricate patterns and a central lotus motif.

Popular airlines from Rio Mayo (ROY) to Chiang Rai Intl. Airport (CEI)

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 40% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

Travel information

Origin airport	Rio Mayo
Destination airport	Chiang Rai Intl. Airport
Distance	17,011 km away

*Available to Expedia members.