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

Return flights

07 Dec - 15 Dec	Air Canada
09 Dec - 20 Jan	KLM
02 Dec - 09 Dec	United
06 Dec - 20 Dec	KLM
15 Dec - 29 Dec	Air France
14 Dec - 29 Dec	Air France
13 Dec - 29 Dec	Air France
14 Dec - 09 Jan	Air France
13 Dec - 30 Dec	Air France
01 Dec - 15 Dec	KLM
06 Dec - 10 Jan	KLM
24 Dec - 08 Jan	Air France
30 Dec - 13 Jan	KLM
29 Dec - 13 Jan	Delta
24 Dec - 10 Jan	Air France
27 Dec - 09 Jan	KLM
27 Dec - 11 Jan	Iberia
24 Dec - 06 Jan	easyJet
21 Dec - 28 Dec	Iberia
18 Dec - 25 Dec	Delta

Also check the deals for one-way flights from Milan 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 Milan to San Jose in December from 714€

Return flights