The best month to fly between Chiang Rai and Bangkok is May and the most expensive month to fly is March. (Average prices, based on 321 datapoints.)
The best day to arrive at Chiang Rai is Friday and it would be best to avoid Monday, as prices are on average 65.07% higher than on Friday. (Average prices, based on 321 datapoints.)
The cheapest airline flying from Chiang Rai to Bangkok is Thai Vietjet Air. They are 46% cheaper than Thai Airways. (Average prices, based on 332 datapoints.)