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

Return flights

17 Dec - 31 Dec	Iberia
22 Dec - 13 Jan	LATAM Airlines Group
12 Dec - 05 Jan	LATAM Airlines Group
23 Dec - 05 Jan	Vueling Airlines
13 Dec - 10 Jan	LATAM Airlines Group
28 Dec - 02 Jan	Vueling Airlines
21 Dec - 04 Jan	Vueling Airlines
20 Dec - 04 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Duesseldorf 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 Duesseldorf to Buenos Aires in December from $2149

Return flights