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

Return flights

11 Dec - 15 Dec	KLM
08 Dec - 24 Dec	KLM
11 Dec - 23 Dec	KLM
11 Dec - 29 Dec	KLM
08 Dec - 14 Jan	Delta
12 Dec - 22 Jan	Air Europa
12 Dec - 12 Jan	Air Europa
09 Dec - 23 Dec	Air France
04 Dec - 08 Dec	Ryanair
07 Dec - 23 Dec	Air France
13 Dec - 12 Jan	Air Europa
04 Dec - 13 Dec	Ryanair
03 Dec - 13 Dec	Iberia
03 Dec - 10 Dec	Iberia
29 Dec - 14 Jan	Delta
29 Dec - 17 Jan	Delta
13 Dec - 10 Jan	Air Europa
08 Dec - 09 Jan	Iberia
15 Dec - 15 Jan	TAP
16 Dec - 10 Jan	Air Europa

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 681€

Return flights