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

Return flights

10 Dec - 22 Jan	Air Europa
08 Dec - 17 Dec	Delta
11 Dec - 22 Jan	LEVEL
12 Dec - 23 Jan	Ryanair
06 Dec - 15 Jan	Delta
04 Dec - 12 Jan	Ryanair
12 Dec - 14 Jan	Ryanair
08 Dec - 15 Dec	Delta
03 Dec - 11 Dec	easyJet
08 Dec - 12 Jan	Vueling Airlines
04 Dec - 11 Dec	Ryanair
06 Dec - 15 Dec	Delta
06 Dec - 13 Dec	Delta
04 Dec - 13 Jan	Ryanair
03 Dec - 09 Dec	easyJet
08 Dec - 13 Jan	Vueling Airlines
06 Dec - 10 Jan	LEVEL
10 Dec - 25 Dec	Delta
04 Dec - 14 Dec	Ryanair
05 Dec - 11 Dec	TAP

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 632€

Return flights