Please be aware that Bangkok has multiple airports and that these results are only for Don Mueang International Airport.
The best month to arrive at Bangkok is October and the most expensive month to fly is December. (Average prices, based on 19144 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 25.55% higher than on Tuesday. (Average prices, based on 23760 datapoints.)
The cheapest airline flying to Bangkok is AirAsia. They are 68% cheaper than Thai Airasia X . (Average prices, based on 19278 datapoints.)
At Bangkok the most flights depart around 18:00. (Hourly flights, based on 19415 datapoints.)
From Bangkok it is on average the cheapest to fly to Krabi and to Chiang Mai. (Average prices, based on 6148 datapoints.)
From Bangkok most of the flights depart to Chiang Mai, second best connected from Bangkok is Kuala Lumpur. (Daily flights, based on 101 datapoints.)