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

Return flights

02 Dec - 09 Dec	Lufthansa
11 Dec - 14 Dec	Lufthansa
03 Dec - 09 Dec	Lufthansa
04 Dec - 08 Dec	Lufthansa
04 Dec - 07 Dec	Lufthansa
16 Dec - 15 Jan	Lufthansa
05 Dec - 08 Dec	KLM
08 Dec - 12 Dec	KLM
15 Dec - 18 Dec	Finnair	direct
02 Dec - 09 Dec	Finnair	direct
03 Dec - 09 Dec	Finnair	direct
16 Dec - 15 Jan	Finnair	direct
17 Dec - 01 Jan	Finnair	direct
30 Dec - 05 Jan	Finnair	direct
18 Dec - 01 Jan	Finnair	direct
23 Dec - 05 Jan	Lufthansa
24 Dec - 05 Jan	Lufthansa
24 Dec - 04 Jan	Lufthansa
20 Dec - 06 Jan	Lufthansa
26 Dec - 05 Jan	airBaltic

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 186€

Return flights