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

Return flights

06 Sep - 24 Sep	Vueling Airlines
05 Sep - 22 Sep	Vueling Airlines
03 Sep - 18 Sep	Vueling Airlines
14 Sep - 20 Sep	Vueling Airlines
10 Sep - 20 Sep	Air Canada
11 Sep - 27 Sep	Air Canada
19 Sep - 27 Sep	Air Canada
23 Sep - 05 Oct	Air Canada
26 Sep - 11 Oct	Air Canada
18 Sep - 04 Oct	Air Canada
23 Sep - 11 Oct	Air Canada
18 Sep - 27 Sep	Air Canada
13 Sep - 26 Sep	Air Canada
09 Sep - 20 Sep	Air Canada
24 Sep - 08 Oct	Air Canada
23 Sep - 06 Oct	United
18 Sep - 02 Oct	United
22 Sep - 02 Oct	United
20 Sep - 04 Oct	United
27 Sep - 13 Oct	United

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 $533

Return flights