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

Return flights

30 Aug - 13 Sep	United
26 Aug - 05 Sep	United
27 Aug - 05 Sep	United
29 Aug - 11 Sep	United
29 Aug - 05 Sep	United
30 Aug - 09 Sep	United
31 Aug - 14 Sep	United
27 Aug - 06 Sep	United
26 Aug - 06 Sep	United
24 Aug - 31 Aug	Delta
25 Aug - 10 Sep	Delta
23 Aug - 30 Aug	Norwegian Air Sweden AOC
22 Aug - 25 Aug	TAP
18 Aug - 25 Aug	Delta
19 Aug - 31 Aug	Vueling Airlines
24 Aug - 29 Aug	Avianca
20 Aug - 24 Aug	Avianca
17 Aug - 30 Aug	Wizz Air Malta
16 Aug - 27 Aug	Delta
21 Aug - 27 Aug	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 583€

Return flights