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

Return flights

13 May - 20 May	British Airways
26 May - 09 Jun	British Airways
01 May - 14 May	British Airways
02 May - 17 May	British Airways
23 May - 06 Jun	British Airways
13 May - 28 May	Condor
12 May - 01 Jun	Condor
16 May - 31 May	British Airways
27 May - 15 Jun	Air Canada
30 May - 14 Jun	British Airways
18 May - 07 Jun	British Airways
19 May - 31 May	Condor
29 May - 13 Jun	British Airways
21 May - 30 May	Condor
01 May - 01 Jun	Condor

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

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 San Jose to Barcelona in May from $724

Return flights