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

Return flights

01 Dec - 13 Dec	Air Europa
01 Dec - 11 Dec	Lufthansa
02 Dec - 31 Dec	British Airways
06 Dec - 17 Dec	Vueling Airlines
15 Dec - 23 Dec	Lufthansa
25 Dec - 01 Jan	Air Europa
23 Dec - 20 Jan	Vueling Airlines
23 Dec - 28 Dec	Vueling Airlines
06 Dec - 20 Dec	Vueling Airlines
15 Dec - 21 Dec	Lufthansa
11 Dec - 16 Jan	Lufthansa
15 Dec - 15 Jan	Lufthansa
12 Dec - 16 Jan	Lufthansa
23 Dec - 23 Jan	Lufthansa
14 Dec - 16 Jan	Lufthansa
27 Dec - 14 Jan	Vueling Airlines
26 Dec - 17 Jan	Lufthansa
29 Dec - 12 Jan	Lufthansa
11 Dec - 27 Dec	Vueling Airlines

Also check the deals for one-way flights from Munich 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 Munich to Buenos Aires in December from 939€

Return flights