AirHint found the following cheapest return flights from Barcelona (BCN) to San Jose (SJO) in September 2026 (see full year).
Return flights
| 01 Sep - 10 Sep | Delta | ||
| 07 Sep - 18 Sep | Delta | ||
| 07 Sep - 16 Sep | Delta | ||
| 17 Sep - 27 Sep | Air Canada |
Also check the deals for one-way flights from Barcelona to San Jose in September.
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