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

Return flights

07 Oct - 28 Oct	Japan Airlines
06 Oct - 24 Oct	Japan Airlines
07 Oct - 22 Oct	Japan Airlines
02 Oct - 13 Oct	Japan Airlines
06 Oct - 15 Oct	Japan Airlines
02 Oct - 14 Oct	Japan Airlines
05 Oct - 24 Oct	Japan Airlines
13 Oct - 19 Oct	Japan Airlines
17 Oct - 30 Oct	Japan Airlines
25 Oct - 31 Oct	Japan Airlines
25 Oct - 01 Nov	Japan Airlines
18 Oct - 01 Nov	Japan Airlines

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

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 October from $1363

Return flights