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 December. (Average prices, based on 17618 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 28.35% higher than on Tuesday. (Average prices, based on 16093 datapoints.)
The cheapest airline flying to Bangkok is Nok Air. They are 54% cheaper than Bangkok Airways. (Average prices, based on 17996 datapoints.)
At Bangkok the most flights depart around 09:00. (Hourly flights, based on 18780 datapoints.)
From Bangkok it is on average the cheapest to fly to Chiang Mai and to Chiang Rai. (Average prices, based on 3926 datapoints.)
From Bangkok most of the flights depart to Chiang Mai, second best connected from Bangkok is Kuala Lumpur. (Daily flights, based on 352 datapoints.)