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

Return flights

11 Dec - 17 Jan	Air Canada
02 Dec - 12 Dec	United
06 Dec - 13 Dec	United
04 Dec - 13 Dec	United
27 Dec - 26 Jan	Air Canada
06 Dec - 15 Dec	Delta
05 Dec - 08 Dec	Scandinavian Airlines
13 Dec - 27 Dec	Delta
06 Dec - 17 Dec	Air Canada
08 Dec - 18 Dec	Delta
08 Dec - 22 Dec	Delta
09 Dec - 15 Dec	Wizz Air Malta
04 Dec - 06 Jan	Delta
13 Dec - 30 Jan	Delta
29 Dec - 12 Jan	Iberia
28 Dec - 11 Jan	Vueling Airlines
17 Dec - 12 Jan	United
31 Dec - 07 Jan	Vueling Airlines
17 Dec - 07 Jan	United
26 Dec - 16 Jan	Iberia

Also check the deals for one-way flights from Barcelona 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 Barcelona to San Jose in December from $631

Return flights