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

Return flights

02 Sep - 03 Oct	Air France
22 Sep - 04 Oct	Air France
10 Sep - 22 Sep	Iberia
01 Sep - 30 Sep	Iberia
12 Sep - 19 Sep	Iberia
15 Sep - 21 Sep	Air Canada
20 Sep - 28 Sep	Iberia
11 Sep - 20 Sep	Air Canada
20 Sep - 27 Sep	Air Canada
06 Sep - 20 Sep	Delta
15 Sep - 25 Sep	Delta
09 Sep - 20 Sep	Delta
29 Sep - 12 Oct	Delta
23 Sep - 02 Oct	Lufthansa

Also check the deals for one-way flights from Milan to San Jose in September.

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 September from 655€

Return flights