Average price (all airlines)
Cheapflights currently has 6 FRA-CNX flights for under ฿1,300. Flights to Chiang Mai will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.
When planning your FRA-CNX trip, keep in mind that Thai Airways is typically rated 7.7/10. This rating comes from 48 reviews by Cheapflights users who have traveled with Thai Airways.