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 January and the most expensive month to fly is November. (Average prices, based on 17058 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Wednesday, as prices are on average 55.6% higher than on Tuesday. (Average prices, based on 1211 datapoints.)
The cheapest airline flying to Bangkok is Nok Air. They are 58% cheaper than Hong Kong Express. (Average prices, based on 17486 datapoints.)
At Bangkok the most flights depart around 09:00. (Hourly flights, based on 18189 datapoints.)
From Bangkok it is on average the cheapest to fly to Chiang Mai and to Chiang Rai. (Average prices, based on 4354 datapoints.)
From Bangkok most of the flights depart to Chiang Mai, second best connected from Bangkok is Phuket. (Daily flights, based on 361 datapoints.)