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

Return flights

25 Sep - 30 Sep	Scoot Tigerair
18 Sep - 23 Sep	Scoot Tigerair
25 Sep - 29 Sep	Scoot Tigerair
26 Sep - 05 Oct	Scoot Tigerair
11 Sep - 24 Sep	KLM
19 Sep - 23 Sep	China Airlines
19 Sep - 28 Sep	KLM
08 Sep - 19 Sep	STARLUX Airlines
15 Sep - 15 Oct	Japan Airlines
17 Sep - 26 Sep	Cathay Pacific
01 Sep - 13 Sep	China Airlines
09 Sep - 07 Oct	KLM
12 Sep - 01 Oct	China Airlines
19 Sep - 26 Sep	STARLUX Airlines
27 Sep - 05 Oct	Japan Airlines
30 Sep - 10 Oct	Singapore Airlines
30 Sep - 12 Oct	KLM
27 Sep - 10 Oct	Singapore Airlines
30 Sep - 11 Oct	KLM

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 $956

Return flights