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

Return flights

11 Dec - 23 Dec	Japan Airlines
25 Dec - 01 Jan	Japan Airlines
06 Dec - 13 Dec	Japan Airlines
26 Dec - 29 Dec	Japan Airlines
06 Dec - 20 Dec	Japan Airlines
07 Dec - 18 Dec	Japan Airlines
21 Dec - 04 Jan	Japan Airlines
24 Dec - 02 Jan	Japan Airlines
17 Dec - 21 Dec	Japan Airlines
17 Dec - 31 Dec	Japan Airlines
27 Dec - 31 Dec	Japan Airlines

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

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 December from $1277

Return flights