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

Return flights

13 Sep - 27 Sep	Lufthansa
09 Sep - 16 Sep	Air Europa
09 Sep - 17 Sep	Lufthansa
25 Sep - 15 Oct	Lufthansa
15 Sep - 29 Sep	Air France
01 Sep - 15 Sep	Air France
05 Sep - 20 Sep	Air France
07 Sep - 20 Sep	TAP
07 Sep - 22 Sep	Air France
01 Sep - 25 Sep	Air France
01 Sep - 20 Sep	Lufthansa

Also check the deals for one-way flights from Munich 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 Munich to Buenos Aires in September from 968€

Return flights