Please be aware that Bangkok has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Bangkok is May and the most expensive month to fly is August. (Average prices, based on 28083 datapoints.)
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Saturday, as prices are on average 20.08% higher than on Wednesday. (Average prices, based on 55113 datapoints.)
The cheapest airline flying to Bangkok is Thai Vietjet Air. They are 87% cheaper than EVA Air. (Average prices, based on 28339 datapoints.)
At Bangkok the most flights depart around 17:00. (Hourly flights, based on 29331 datapoints.)
From Bangkok it is on average the cheapest to fly to Chiang Rai and to Chiang Mai. (Average prices, based on 18623 datapoints.)
From Bangkok most of the flights depart to Kuala Lumpur, second best connected from Bangkok is Phuket. (Daily flights, based on 594 datapoints.)