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

Return flights

03 Sep - 24 Sep	ITA Airways
08 Sep - 15 Sep	ITA Airways
11 Sep - 30 Oct	LATAM Airlines Group
17 Sep - 24 Sep	ITA Airways
01 Sep - 15 Sep	ITA Airways
17 Sep - 17 Oct	LATAM Airlines Group
17 Sep - 16 Oct	LATAM Airlines Group
01 Sep - 07 Sep	ITA Airways
20 Sep - 20 Oct	British Airways
11 Sep - 05 Oct	LATAM Airlines Group
22 Sep - 20 Oct	British Airways
30 Sep - 07 Oct	British Airways
10 Sep - 05 Oct	LATAM Airlines Group
04 Sep - 19 Sep	LATAM Airlines Group
19 Sep - 19 Oct	LATAM Airlines Group
17 Sep - 11 Oct	LATAM Airlines Group
22 Sep - 30 Sep	British Airways
08 Sep - 23 Sep	LATAM Airlines Group
14 Sep - 18 Sep	LATAM Airlines Group
01 Sep - 21 Sep	British Airways

Also check the deals for one-way flights from Milan to Buenos Aires 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 Buenos Aires in September from 1010€

Return flights