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

Return flights

31 Dec - 20 Jan	Air France
01 Dec - 15 Dec	KLM
06 Dec - 14 Dec	KLM
11 Dec - 23 Dec	KLM
03 Dec - 12 Dec	United
09 Dec - 21 Dec	Air Canada
31 Dec - 13 Jan	Air France
31 Dec - 14 Jan	Air France
12 Dec - 24 Dec	Air France
07 Dec - 13 Dec	Air Canada
02 Dec - 14 Dec	Air France
03 Dec - 13 Dec	United
15 Dec - 28 Dec	KLM
30 Dec - 13 Jan	KLM
31 Dec - 07 Jan	Air France
16 Dec - 12 Jan	Air France
29 Dec - 15 Jan	British Airways
31 Dec - 10 Jan	Air France
28 Dec - 17 Jan	Air France
29 Dec - 12 Jan	British Airways

Also check the deals for one-way flights from Milano 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 Milano to San Jose in December from 734€

Return flights