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

Return flights

17 Sep - 12 Oct	Iberia
17 Sep - 15 Oct	Iberia
19 Sep - 05 Oct	Iberia
25 Sep - 08 Oct	Air France
02 Sep - 03 Oct	Air France
03 Sep - 27 Sep	Air France
17 Sep - 21 Sep	easyJet
06 Sep - 21 Sep	Iberia
11 Sep - 22 Sep	Iberia
11 Sep - 24 Sep	Air Canada
10 Sep - 22 Sep	Air France
09 Sep - 22 Sep	Iberia
15 Sep - 22 Sep	Delta
05 Sep - 20 Sep	Delta
13 Sep - 25 Sep	Delta
29 Sep - 09 Oct	United
20 Sep - 13 Oct	Iberia
30 Sep - 03 Oct	Iberia
30 Sep - 14 Oct	Lufthansa
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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from Milan to San Jose in September from 670€

Return flights