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

Return flights

09 Dec - 13 Jan	SWISS
10 Dec - 27 Dec	SWISS
03 Dec - 18 Dec	KLM
15 Dec - 29 Dec	SWISS
15 Dec - 19 Jan	SWISS
24 Dec - 13 Jan	SWISS
25 Dec - 12 Jan	SWISS
15 Dec - 07 Jan	SWISS
15 Dec - 06 Jan	Air France
17 Dec - 06 Jan	SWISS
19 Dec - 02 Jan	Vueling Airlines

Also check the deals for one-way flights from Prague 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 Prague to San Jose in December from 810€

Return flights