If you want a cheap flight from Bangkok to Taipei, you've got two airlines to choose from.
Taipei Taiwan Taoyuan International (Chiang Kai Shek International) Airport is just one of the airports in Taipei. If you're not set on a specific airport, try changing your search from Taipei Taiwan Taoyuan International (Chiang Kai Shek International) Airport to Taipei to see a broader range of flights – they might be cheaper. It usually takes about 20 hrs 15 mins to fly 2491 km to Taipei Taiwan Taoyuan International (Chiang Kai Shek International) Airport.
There are about ten flights to or via Taipei every week, so you have plenty of options.
If you're planning on going to Taipei during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.
