AirHint found the following cheapest return flights from Taipei (TSA) to Bangkok (BKK) in September 2025 (see full year).

Return flights

26 Sep - 04 Oct	Xiamen Airlines
08 Sep - 11 Sep	China Eastern
01 Sep - 05 Sep	Xiamen Airlines
09 Sep - 23 Sep	China Eastern
26 Sep - 09 Oct	Xiamen Airlines
20 Sep - 23 Sep	Xiamen Airlines
27 Sep - 12 Oct	Xiamen Airlines
04 Sep - 08 Sep	Xiamen Airlines
26 Sep - 03 Oct	Xiamen Airlines
10 Sep - 11 Sep	Uni Air
10 Sep - 17 Sep	Uni Air
10 Sep - 12 Sep	Uni Air
11 Sep - 17 Sep	Uni Air
08 Sep - 10 Sep	Uni Air
26 Sep - 12 Oct	Xiamen Airlines
30 Sep - 02 Oct	Uni Air
30 Sep - 03 Oct	Uni Air
26 Sep - 08 Oct	Xiamen Airlines
30 Sep - 01 Oct	Uni Air
24 Sep - 01 Oct	Uni Air

Also check the deals for one-way flights from Taipei to Bangkok in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Taipei to Bangkok in September from $290

Return flights