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

Return flights

02 Dec - 14 Dec	Air Canada
04 Dec - 14 Dec	Air Canada
30 Dec - 13 Jan	Iberia
28 Dec - 12 Jan	Delta
07 Dec - 23 Dec	Delta
10 Dec - 29 Dec	Delta
10 Dec - 21 Dec	Delta
29 Dec - 12 Jan	Iberia
04 Dec - 19 Dec	Air Canada
04 Dec - 18 Dec	Delta
05 Dec - 21 Dec	United
10 Dec - 14 Dec	Vueling Airlines
06 Dec - 23 Dec	Air Canada
25 Dec - 26 Jan	United
25 Dec - 10 Jan	United
25 Dec - 11 Jan	United
13 Dec - 10 Jan	Iberia
28 Dec - 11 Jan	Iberia
26 Dec - 27 Jan	Iberia
28 Dec - 10 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 509€

Return flights