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

Return flights

22 Sep - 30 Sep	Wizz Air Malta
16 Sep - 24 Sep	Delta
23 Sep - 08 Oct	Delta
26 Sep - 08 Oct	Delta
01 Sep - 16 Sep	Delta
01 Sep - 14 Sep	Delta
21 Sep - 28 Sep	Delta
05 Sep - 19 Sep	Delta
10 Sep - 20 Sep	Delta
06 Sep - 20 Sep	Delta
01 Sep - 15 Sep	Delta
01 Sep - 26 Sep	Delta
24 Sep - 04 Oct	Delta
25 Sep - 04 Oct	Delta
23 Sep - 04 Oct	Delta
24 Sep - 03 Oct	Delta
14 Sep - 07 Oct	Wizz Air Malta
28 Sep - 03 Oct	Wizz Air Malta
15 Sep - 10 Oct	Wizz Air Malta

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

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 September from 670€

Return flights