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

Return flights

08 Dec - 22 Dec	Air Canada
13 Dec - 24 Dec	Air Canada
08 Dec - 24 Dec	Lufthansa
10 Dec - 20 Jan	United
08 Dec - 23 Dec	KLM
30 Dec - 20 Jan	United
04 Dec - 15 Dec	Lufthansa
30 Dec - 15 Jan	United
30 Dec - 16 Jan	United
01 Dec - 15 Dec	United
31 Dec - 14 Jan	United
31 Dec - 15 Jan	United
12 Dec - 25 Dec	United
29 Dec - 13 Jan	United
29 Dec - 12 Jan	United
01 Dec - 19 Dec	SWISS
15 Dec - 15 Jan	Lufthansa
05 Dec - 21 Dec	United
06 Dec - 21 Dec	United
17 Dec - 13 Jan	Lufthansa

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 $613

Return flights