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

Return flights

23 Dec - 25 Dec	Lufthansa
22 Dec - 25 Dec	Lufthansa
17 Dec - 24 Dec	Lufthansa
21 Dec - 10 Jan	Lufthansa
18 Dec - 23 Dec	Lufthansa
18 Dec - 22 Dec	Lufthansa
24 Dec - 01 Jan	KLM
24 Dec - 25 Dec	Lufthansa
17 Dec - 19 Dec	Lufthansa
17 Dec - 21 Dec	Lufthansa
24 Dec - 26 Dec	Lufthansa
17 Dec - 20 Dec	Lufthansa
29 Dec - 11 Jan	easyJet
19 Dec - 22 Jan	Lufthansa
22 Dec - 06 Jan	KLM
29 Dec - 07 Jan	easyJet
29 Dec - 11 Jan	Finnair	direct
25 Dec - 01 Jan	KLM
30 Dec - 02 Jan	easyJet
30 Dec - 07 Jan	Finnair

Also check the deals for one-way flights from Zurich 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 Zurich to Helsinki in December from $328

Return flights