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

Return flights

08 Dec - 13 Jan	Iberia
11 Dec - 12 Jan	Iberia
06 Dec - 15 Dec	Delta
10 Dec - 12 Jan	Wizz Air Malta
03 Dec - 13 Dec	easyJet
05 Dec - 12 Dec	Ryanair
04 Dec - 11 Dec	Ryanair
05 Dec - 10 Jan	Ryanair
12 Dec - 14 Jan	Ryanair
04 Dec - 14 Dec	Ryanair
05 Dec - 09 Jan	Ryanair
08 Dec - 09 Jan	Iberia
05 Dec - 14 Dec	Ryanair
04 Dec - 15 Jan	Ryanair
06 Dec - 13 Dec	Delta
11 Dec - 13 Dec	Wizz Air Malta
03 Dec - 10 Dec	easyJet
05 Dec - 08 Jan	Ryanair
06 Dec - 10 Jan	Iberia
04 Dec - 16 Dec	Delta

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 $724

Return flights