JetRadar compares airfares from Chiang Mai to Bangkok with hundreds of airlines (including United Airlines, Lufthansa, Turkish Airlines) and dozens of online travel agencies in one single place. We provide you with all the options to find the cheapest flights to Bangkok, you choose where to book. Also there you can find airlines special offers from Chiang Mai to Bangkok. The cheapest round-trip price found within the last week was $12. The cheapest oneway price found within the last week was $3.