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

Return flights

22 Sep - 06 Oct	Iberia
17 Sep - 10 Oct	Air France
24 Sep - 01 Oct	Air France
17 Sep - 15 Oct	Air France
09 Sep - 20 Sep	Air France
19 Sep - 28 Sep	easyJet
12 Sep - 26 Sep	ITA Airways
17 Sep - 12 Oct	Air France
12 Sep - 19 Sep	Air France
23 Sep - 14 Oct	United
29 Sep - 13 Oct	Iberia
12 Sep - 27 Sep	ITA Airways
12 Sep - 15 Sep	Air France
17 Sep - 28 Sep	easyJet
11 Sep - 28 Sep	ITA Airways
13 Sep - 21 Sep	Iberia
19 Sep - 27 Sep	Air France
30 Sep - 14 Oct	Lufthansa
26 Sep - 07 Oct	Air France
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 $792

Return flights