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

Return flights

17 Sep - 24 Sep	Delta
17 Sep - 16 Oct	Delta
25 Sep - 06 Oct	Delta
30 Sep - 19 Oct	Delta
18 Sep - 25 Sep	Air France
17 Sep - 30 Sep	Air France
14 Sep - 17 Oct	Air France
18 Sep - 21 Sep	Air France
13 Sep - 20 Sep	Air France
24 Sep - 28 Sep	Delta
15 Sep - 30 Sep	Air France
17 Sep - 01 Oct	easyJet
19 Sep - 27 Sep	Air France
26 Sep - 05 Oct	Delta
17 Sep - 19 Sep	Delta
24 Sep - 03 Oct	Delta
18 Sep - 04 Oct	Air France
26 Sep - 17 Oct	Delta
27 Sep - 16 Oct	Iberia
22 Sep - 26 Sep	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 744€

Return flights