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

Return flights

02 Dec - 16 Dec	Air Canada
12 Dec - 23 Jan	Air Canada
26 Dec - 09 Jan	Air Canada
12 Dec - 26 Jan	Air Canada
26 Dec - 09 Jan	SWISS	direct
19 Dec - 12 Jan	KLM
12 Dec - 23 Jan	SWISS	direct
19 Dec - 09 Jan	KLM
19 Dec - 09 Jan	SWISS	direct
12 Dec - 26 Jan	SWISS	direct
19 Dec - 12 Jan	SWISS	direct
05 Dec - 19 Dec	United
14 Dec - 26 Dec	United
05 Dec - 19 Dec	SWISS	direct

Also check the deals for one-way flights from San Jose to Zurich 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 San Jose to Zurich in December from $872

Return flights