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 1278 datapoints.)
The best day to arrive at Chiang Rai is Friday and it would be best to avoid Tuesday, as prices are on average 148.69% higher than on Friday. (Average prices, based on 1278 datapoints.)
The cheapest airline flying from Chiang Rai to Bangkok is Nok Air. They are 52% cheaper than Thai Airways. (Average prices, based on 1284 datapoints.)