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

Return flights

25 May - 07 Jun	Air France
18 May - 15 Jun	Air France
30 May - 14 Jun	Air France
29 May - 12 Jun	Air France
29 May - 14 Jun	Air France
30 May - 07 Jun	Air France
03 May - 18 Jun	Air France
29 May - 07 Jun	Air France
20 May - 01 Jun	Air France
13 May - 17 Jun	Air France
16 May - 28 May	Iberia	direct
04 May - 24 May	Avianca
04 May - 17 May	Avianca
20 May - 27 May	Air France
14 May - 27 May	KLM
16 May - 27 May	Air France
02 May - 23 May	Iberia	direct
05 May - 18 May	Air France
04 May - 18 May	Air France
06 May - 13 May	Air France

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 $579

Return flights