Please be aware that Bangkok has multiple airports and that these results are only for Don Mueang International Airport.
The best month to arrive at Bangkok is September and the most expensive month to fly is November. (Average prices, based on 3619 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 30.54% higher than on Tuesday. (Average prices, based on 98009 datapoints.)
The cheapest airline flying to Bangkok is AirAsia. They are 66% cheaper than Thai Airasia X . (Average prices, based on 3738 datapoints.)
At Bangkok the most flights depart around 17:00. (Hourly flights, based on 4179 datapoints.)
From Bangkok it is on average the cheapest to fly to Ubon Ratchathani and to Surat Thani. (Average prices, based on 4732 datapoints.)
From Bangkok most of the flights depart to Kuala Lumpur, second best connected from Bangkok is Chiang Mai. (Daily flights, based on 333 datapoints.)