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

Return flights

11 May - 23 May	Avianca
01 May - 16 May	Avianca
07 May - 17 May	Avianca
14 May - 26 May	Avianca
04 May - 09 May	Avianca
04 May - 24 May	Avianca
04 May - 31 May	Air France
12 May - 16 May	Avianca
28 May - 08 Jun	Air France
04 May - 18 May	Avianca
11 May - 25 May	Iberia	direct
28 May - 08 Jun	Iberia	direct
28 May - 04 Jun	Iberia	direct

Also check the deals for one-way flights from Madrid to San Jose 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 Madrid to San Jose in May from 603€

Return flights