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

Return flights

08 Oct - 20 Oct	Air Canada
03 Oct - 12 Oct	Air Canada
21 Oct - 31 Oct	Air Canada
10 Oct - 20 Oct	Iberia
22 Oct - 29 Oct	United
22 Oct - 24 Nov	United
22 Oct - 08 Nov	United
01 Oct - 11 Oct	United
22 Oct - 31 Oct	United
04 Oct - 30 Oct	United
17 Oct - 29 Oct	United
05 Oct - 21 Oct	United
24 Oct - 08 Nov	United
29 Oct - 10 Nov	United
29 Oct - 13 Nov	United
31 Oct - 08 Nov	United
30 Oct - 13 Nov	United
25 Oct - 08 Nov	United
30 Oct - 22 Nov	United
27 Oct - 09 Nov	TAP

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 $618

Return flights