Please be aware that Bangkok has multiple airports and that these results are only for Suvarnabhumi Airport.
The best month to arrive at Bangkok is May and the most expensive month to fly is September. (Average prices, based on 7915 datapoints.)
The best day to arrive at Bangkok is Monday and it would be best to avoid Saturday, as prices are on average 23.52% higher than on Monday. (Average prices, based on 31246 datapoints.)
The cheapest airline flying to Bangkok is Thai Vietjet Air. They are 90% cheaper than Qatar Airways. (Average prices, based on 8093 datapoints.)
At Bangkok the most flights depart around 22:00. (Hourly flights, based on 8810 datapoints.)
From Bangkok it is on average the cheapest to fly to Chiang Mai and to Phuket. (Average prices, based on 9281 datapoints.)
From Bangkok most of the flights depart to Kuala Lumpur, second best connected from Bangkok is Phuket. (Daily flights, based on 375 datapoints.)