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

Return flights

10 Sep - 30 Sep	easyJet
04 Sep - 25 Sep	ITA Airways
09 Sep - 24 Sep	ITA Airways
26 Sep - 17 Oct	easyJet
11 Sep - 24 Sep	ITA Airways
06 Sep - 20 Oct	ITA Airways
16 Sep - 29 Sep	ITA Airways
12 Sep - 28 Sep	ITA Airways
11 Sep - 23 Sep	Air France
15 Sep - 29 Sep	ITA Airways
17 Sep - 24 Sep	ITA Airways
07 Sep - 22 Sep	Lufthansa
30 Sep - 31 Oct	British Airways
30 Sep - 06 Oct	British Airways
14 Sep - 10 Oct	LATAM Airlines Group
30 Sep - 11 Oct	British Airways
19 Sep - 11 Oct	LATAM Airlines Group
20 Sep - 09 Oct	Lufthansa
27 Sep - 17 Oct	Iberia
19 Sep - 02 Oct	LATAM Airlines Group

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 $1247

Return flights