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 August and the most expensive month to fly is July. (Average prices, based on 9322 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 23.3% higher than on Tuesday. (Average prices, based on 8522 datapoints.)
The cheapest airline flying to Bangkok is Thai AirAsia. They are 67% cheaper than Hong Kong Airlines. (Average prices, based on 9621 datapoints.)
At Bangkok the most flights depart around 09:00. (Hourly flights, based on 10221 datapoints.)
From Bangkok it is on average the cheapest to fly to Chiang Mai and to Phuket. (Average prices, based on 2155 datapoints.)
From Bangkok most of the flights depart to Phuket, second best connected from Bangkok is Chiang Mai. (Daily flights, based on 252 datapoints.)