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

Return flights

14 Sep - 28 Sep	Delta
09 Sep - 23 Sep	Delta
16 Sep - 23 Sep	Delta
14 Sep - 17 Oct	Delta
15 Sep - 13 Oct	Delta
25 Sep - 13 Oct	Delta
12 Sep - 26 Sep	Delta
12 Sep - 28 Sep	Delta
08 Sep - 21 Sep	Delta
08 Sep - 15 Sep	Delta
15 Sep - 24 Sep	Delta
09 Sep - 25 Sep	Delta
01 Sep - 07 Sep	Delta
16 Sep - 11 Oct	Delta
27 Sep - 11 Oct	Delta
15 Sep - 30 Oct	British Airways

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 743€

Return flights