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

Return flights

01 Oct - 09 Oct	United
01 Oct - 11 Oct	United
06 Oct - 20 Oct	United
01 Oct - 17 Oct	United
13 Oct - 24 Oct	United
29 Oct - 11 Nov	United
29 Oct - 15 Nov	United
31 Oct - 15 Nov	United
26 Oct - 06 Nov	United
03 Oct - 12 Oct	United
25 Oct - 04 Nov	United
15 Oct - 31 Oct	SWISS
15 Oct - 22 Oct	SWISS
15 Oct - 28 Oct	Iberia
08 Oct - 25 Oct	Iberia
18 Oct - 01 Nov	United

Also check the deals for one-way flights from Barcelona to San Jose in October.

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 October from 554€

Return flights