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

Return flights

01 Dec - 10 Dec	Air Canada
01 Dec - 15 Dec	Air Canada
01 Dec - 12 Dec	United
16 Dec - 31 Dec	United
03 Dec - 12 Dec	United
31 Dec - 09 Jan	United
03 Dec - 19 Dec	Air France
03 Dec - 14 Dec	United
05 Dec - 20 Dec	KLM
31 Dec - 30 Jan	United
25 Dec - 15 Jan	United
05 Dec - 19 Dec	KLM
24 Dec - 10 Jan	United
12 Dec - 19 Dec	United
13 Dec - 09 Jan	United
26 Dec - 07 Jan	United
23 Dec - 08 Jan	United
22 Dec - 06 Jan	United
27 Dec - 29 Jan	United
26 Dec - 09 Jan	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 752€

Return flights