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

Return flights

04 Dec - 15 Jan	United
08 Dec - 14 Dec	Iberia
04 Dec - 14 Dec	Delta
10 Dec - 23 Dec	Delta
05 Dec - 12 Dec	Ryanair
11 Dec - 25 Dec	Delta
07 Dec - 23 Dec	Delta
09 Dec - 23 Dec	Delta
08 Dec - 17 Dec	Delta
03 Dec - 13 Dec	United
11 Dec - 27 Dec	Delta
11 Dec - 07 Jan	Delta
25 Dec - 23 Jan	Iberia
24 Dec - 15 Jan	United
29 Dec - 20 Jan	Vueling Airlines
29 Dec - 11 Jan	Air Canada
12 Dec - 05 Jan	Ryanair
25 Dec - 15 Jan	Iberia
28 Dec - 11 Jan	Vueling Airlines
17 Dec - 17 Jan	United

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 584€

Return flights