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 September and the most expensive month to fly is December. (Average prices, based on 6055 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 23.67% higher than on Tuesday. (Average prices, based on 4732 datapoints.)
The cheapest airline flying to Bangkok is Nok Air. They are 51% cheaper than Vietnam Airlines. (Average prices, based on 6341 datapoints.)
At Bangkok the most flights depart around 09:00. (Hourly flights, based on 6901 datapoints.)
From Bangkok it is on average the cheapest to fly to Chiang Mai and to Chiang Rai. (Average prices, based on 7983 datapoints.)
From Bangkok most of the flights depart to Phuket, second best connected from Bangkok is Koh Samui. (Daily flights, based on 279 datapoints.)