AirHint found the following cheapest return flights from Taipei (TPE) to Helsinki (HEL) in September 2025 (see full year).

Return flights

04 Sep - 17 Sep	KLM
11 Sep - 20 Sep	KLM
07 Sep - 18 Sep	KLM
01 Sep - 08 Sep	EVA Air
02 Sep - 09 Sep	KLM
09 Sep - 27 Sep	KLM
17 Sep - 26 Sep	STARLUX Airlines
19 Sep - 04 Oct	KLM
08 Sep - 19 Sep	Japan Airlines
28 Sep - 05 Oct	KLM
08 Sep - 22 Sep	STARLUX Airlines
24 Sep - 29 Sep	Japan Airlines
26 Sep - 05 Oct	KLM
27 Sep - 05 Oct	Japan Airlines
27 Sep - 01 Oct	Japan Airlines

Also check the deals for one-way flights from Taipei to Helsinki 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.

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Cheapest return flights from Taipei to Helsinki in September from 994€

Return flights