AirHint found the following cheapest return flights from Milano (MXP) to Santiago (SCL) in September 2025 (see full year).

Return flights

12 Sep - 26 Sep	Delta
15 Sep - 24 Sep	Delta
17 Sep - 28 Sep	Delta
09 Sep - 25 Sep	Delta
01 Sep - 07 Sep	Delta
12 Sep - 28 Sep	Delta
11 Sep - 27 Sep	Delta
10 Sep - 24 Sep	Delta
03 Sep - 27 Sep	Delta
09 Sep - 21 Sep	Delta
25 Sep - 09 Oct	Delta
18 Sep - 05 Oct	Delta
25 Sep - 10 Oct	Delta
26 Sep - 17 Oct	Delta
13 Sep - 17 Oct	Delta
24 Sep - 15 Oct	Delta
14 Sep - 17 Oct	Delta
23 Sep - 15 Oct	Delta
27 Sep - 11 Oct	Delta
30 Sep - 05 Oct	Air France

Also check the deals for one-way flights from Milano to Santiago 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 Milano to Santiago in September from 702€

Return flights