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

Return flights

04 Dec - 12 Dec	Ryanair
06 Dec - 23 Dec	Delta
04 Dec - 27 Dec	Delta
08 Dec - 15 Dec	Delta
05 Dec - 12 Dec	Ryanair
12 Dec - 14 Jan	Ryanair
05 Dec - 13 Dec	Ryanair
16 Dec - 13 Jan	Iberia
04 Dec - 08 Jan	Ryanair
05 Dec - 14 Dec	Ryanair
10 Dec - 23 Dec	Delta
06 Dec - 22 Dec	Delta
08 Dec - 24 Dec	Delta
11 Dec - 16 Jan	Wizz Air Malta
15 Dec - 15 Jan	Ryanair
04 Dec - 15 Jan	Ryanair
07 Dec - 16 Jan	TAP
06 Dec - 09 Jan	Iberia
31 Dec - 10 Jan	Vueling Airlines
29 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 $744

Return flights