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

Return flights

28 Aug - 14 Sep	Air Canada
29 Aug - 07 Sep	Air Canada
28 Aug - 07 Sep	Air Canada
28 Aug - 10 Sep	Air Canada
28 Aug - 19 Sep	Air Canada
29 Aug - 19 Sep	Air Canada
25 Aug - 07 Sep	Lufthansa
27 Aug - 08 Sep	United
28 Aug - 20 Sep	United
28 Aug - 09 Sep	United
15 Aug - 25 Aug	Delta
14 Aug - 25 Aug	Delta
22 Aug - 24 Aug	Ryanair
12 Aug - 19 Aug	Ryanair
11 Aug - 17 Aug	Vueling Airlines
19 Aug - 30 Aug	Ryanair
18 Aug - 24 Aug	Avianca
13 Aug - 31 Aug	United
16 Aug - 31 Aug	United
12 Aug - 26 Aug	United

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 525€

Return flights