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

Return flights

02 Dec - 13 Dec	British Airways
04 Dec - 13 Dec	Lufthansa
07 Dec - 14 Dec	British Airways
01 Dec - 14 Dec	British Airways
06 Dec - 27 Dec	ITA Airways
06 Dec - 11 Dec	British Airways
27 Dec - 18 Jan	Iberia
01 Dec - 24 Dec	British Airways
06 Dec - 08 Dec	British Airways
30 Dec - 20 Jan	Iberia
26 Dec - 05 Jan	easyJet
12 Dec - 09 Jan	easyJet
20 Dec - 23 Jan	ITA Airways
08 Dec - 31 Dec	Lufthansa
01 Dec - 31 Dec	British Airways
30 Dec - 31 Jan	British Airways
02 Dec - 14 Jan	British Airways
07 Dec - 14 Jan	British Airways
25 Dec - 31 Jan	LATAM Airlines Group
16 Dec - 02 Jan	Lufthansa

Also check the deals for one-way flights from Milan to Buenos Aires in December.

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 December from 1180€

Return flights