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

Return flights

05 Dec - 24 Dec	SWISS
09 Dec - 23 Dec	SWISS
01 Dec - 18 Dec	Air France
31 Dec - 13 Jan	United
04 Dec - 15 Dec	SWISS
12 Dec - 12 Jan	United
03 Dec - 15 Dec	SWISS
01 Dec - 15 Dec	SWISS
12 Dec - 25 Dec	United
28 Dec - 16 Jan	United
28 Dec - 17 Jan	United
15 Dec - 15 Jan	Lufthansa
29 Dec - 12 Jan	Lufthansa
01 Dec - 13 Dec	Iberia
15 Dec - 10 Jan	Lufthansa
13 Dec - 11 Jan	Air France
22 Dec - 28 Dec	Air France
17 Dec - 08 Jan	United
18 Dec - 05 Jan	Air France

Also check the deals for one-way flights from Berlin 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 Berlin to San Jose in December from 526€

Return flights