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

Return flights

18 Sep - 30 Sep	Delta
14 Sep - 29 Sep	Delta
08 Sep - 14 Sep	Delta
07 Sep - 01 Oct	Delta
13 Sep - 28 Sep	Delta
02 Sep - 24 Sep	Delta
15 Sep - 24 Sep	Delta
16 Sep - 25 Sep	Delta
16 Sep - 24 Sep	Delta
13 Sep - 20 Sep	Delta
12 Sep - 21 Sep	Delta
30 Sep - 30 Oct	Delta
17 Sep - 01 Oct	Lufthansa
18 Sep - 01 Oct	Lufthansa
21 Sep - 04 Oct	Delta
21 Sep - 06 Oct	Delta
30 Sep - 03 Oct	Delta
21 Sep - 10 Oct	Delta
27 Sep - 11 Oct	Delta

Also check the deals for one-way flights from Milan 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 Milan to Santiago in September from $874

Return flights