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

Return flights

09 Dec - 16 Jan	Air Canada
10 Dec - 16 Jan	Air Canada
01 Dec - 09 Jan	United
31 Dec - 16 Jan	United
02 Dec - 30 Jan	United
25 Dec - 11 Jan	United
15 Dec - 09 Jan	United
16 Dec - 16 Jan	United
25 Dec - 12 Jan	United
25 Dec - 08 Jan	United
01 Dec - 16 Dec	United
05 Dec - 16 Dec	United
02 Dec - 23 Dec	United
17 Dec - 28 Dec	United
12 Dec - 26 Dec	Air Canada
15 Dec - 26 Dec	United
03 Dec - 19 Dec	KLM
19 Dec - 29 Dec	United
17 Dec - 30 Dec	United
18 Dec - 31 Dec	United

Also check the deals for one-way flights from Zurich to San Jose 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 San Jose in December from $794

Return flights