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

Return flights

01 Dec - 15 Jan	United
31 Dec - 30 Jan	Delta
05 Dec - 14 Dec	Delta
01 Dec - 14 Dec	Iberia
29 Dec - 12 Jan	Iberia
07 Dec - 18 Dec	Delta
07 Dec - 25 Dec	Delta
15 Dec - 21 Dec	Iberia
23 Dec - 26 Jan	Air Canada
23 Dec - 23 Jan	United
23 Dec - 24 Jan	United
23 Dec - 25 Jan	United
23 Dec - 27 Jan	United
14 Dec - 20 Dec	Air France
27 Dec - 17 Jan	Iberia
12 Dec - 27 Dec	Ryanair
25 Dec - 11 Jan	Iberia
23 Dec - 31 Dec	Iberia
18 Dec - 30 Dec	Iberia
05 Dec - 20 Dec	Vueling Airlines

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 629€

Return flights