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

Return flights

12 May - 21 May	British Airways
01 May - 06 May	British Airways
02 May - 13 May	British Airways
08 May - 12 May	British Airways
07 May - 12 May	British Airways
01 May - 11 May	British Airways
08 May - 11 May	British Airways
07 May - 11 May	British Airways
07 May - 16 May	British Airways
20 May - 03 Jun	British Airways
19 May - 28 May	Finnair
30 May - 10 Jun	British Airways
23 May - 04 Jun	British Airways
30 May - 07 Jun	British Airways
21 May - 08 Jun	British Airways

Also check the deals for one-way flights from San Jose to Madrid 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 Madrid in May from $556

Return flights