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

Return flights

09 Sep - 23 Sep	Delta
09 Sep - 16 Sep	Delta
25 Sep - 06 Oct	Delta
17 Sep - 24 Sep	Delta
11 Sep - 24 Sep	Air France
17 Sep - 30 Sep	Air France
16 Sep - 30 Sep	Air France
15 Sep - 30 Sep	Air France
14 Sep - 17 Oct	Air France
18 Sep - 22 Sep	Delta
30 Sep - 20 Oct	Delta
22 Sep - 01 Oct	easyJet
17 Sep - 01 Oct	easyJet
24 Sep - 12 Oct	Air France
12 Sep - 19 Sep	Iberia
26 Sep - 05 Oct	Delta
26 Sep - 01 Oct	Delta
20 Sep - 24 Sep	easyJet
18 Sep - 04 Oct	British Airways
26 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 $865

Return flights