AirHint found the following cheapest return flights from San Jose (SJO) to Barcelona (BCN) in August 2026 (see full year).
Return flights
| 14 Aug - 21 Aug | Avianca | ||
| 26 Aug - 18 Sep | Air France | ||
| 25 Aug - 19 Sep | Air France | ||
| 04 Aug - 11 Aug | KLM |
Also check the deals for one-way flights from San Jose to Barcelona in August.
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