AirHint found the following cheapest return flights from Madrid (MAD) to San Jose (SJO) in December 2025 (see full year).

Return flights

09 Dec - 23 Dec	Air France
30 Dec - 14 Jan	Air Canada
09 Dec - 22 Dec	Air France
08 Dec - 22 Dec	Air France
28 Dec - 11 Jan	TAP
30 Dec - 27 Jan	Iberojet	direct
08 Dec - 28 Jan	TAP
15 Dec - 18 Jan	TAP
28 Dec - 09 Jan	TAP
31 Dec - 27 Jan	Delta
12 Dec - 23 Dec	KLM
13 Dec - 23 Dec	KLM
31 Dec - 27 Jan	Iberia	direct
02 Dec - 10 Dec	Avianca
12 Dec - 22 Dec	Air France
09 Dec - 30 Dec	Wizz Air Malta
02 Dec - 09 Dec	Iberia	direct
28 Dec - 24 Jan	Avianca
28 Dec - 21 Jan	Avianca
05 Dec - 12 Dec	Ryanair

Also check the deals for one-way flights from Madrid to San Jose in December.

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 December from 586€

Return flights