Please be aware that Bangkok has multiple airports and that these results are for all airports serving the city.
The best month to fly between Bangkok and Phuket is June and the most expensive month to fly is February. (Average prices, based on 93021 datapoints.)
The best day to arrive at Bangkok is Monday and it would be best to avoid Friday, as prices are on average 16.11% higher than on Monday. (Average prices, based on 85356 datapoints.)
The cheapest airline flying from Bangkok to Phuket is Thai Lion Air. They are 43% cheaper than Thai Airways. (Average prices, based on 93065 datapoints.)
The best time to fly is at around 14. (Average prices, based on 113064 datapoints.)