Please be aware that Taipei and Bangkok has multiple airports and that these results are for all airports serving the city.
The best month to fly between Taipei and Bangkok is August and the most expensive month to fly is September. (Average prices, based on 620 datapoints.)
The best day to arrive at Taipei is Monday and it would be best to avoid Thursday, as prices are on average 51.18% higher than on Monday. (Average prices, based on 636 datapoints.)
The cheapest airline flying from Taipei to Bangkok is Thai Lion Air. They are 70% cheaper than Thai Airways. (Average prices, based on 629 datapoints.)
The best time to fly is at around 9. (Average prices, based on 1057 datapoints.)