AirHint found the following cheapest return flights from Barcelona (BCN) to San Jose (SJO) in August 2026 (see full year).

Return flights

02 Aug - 16 Aug	Iberia
09 Aug - 23 Aug	Iberia
05 Aug - 14 Aug	Iberia
25 Aug - 01 Sep	SWISS
10 Aug - 23 Aug	Iberia
10 Aug - 24 Aug	Iberia
08 Aug - 22 Aug	Iberia
01 Aug - 12 Aug	Iberia
17 Aug - 27 Aug	Iberia
17 Aug - 26 Aug	Iberia
10 Aug - 25 Aug	Iberia
15 Aug - 05 Sep	Iberia

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

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 August from 923€

Return flights