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

Return flights

01 Dec - 10 Dec	Avianca
02 Dec - 07 Dec	ITA Airways
01 Dec - 11 Dec	LATAM Airlines Group
02 Dec - 23 Dec	Avianca
04 Dec - 11 Dec	Air France
08 Dec - 15 Dec	Royal Air Maroc
31 Dec - 29 Jan	LATAM Airlines Group
08 Dec - 14 Dec	Air France
10 Dec - 14 Dec	Air France
07 Dec - 22 Dec	Iberia
02 Dec - 17 Dec	SWISS
03 Dec - 20 Jan	Air Canada
30 Dec - 29 Jan	Vueling Airlines
31 Dec - 17 Jan	Vueling Airlines
25 Dec - 28 Jan	LATAM Airlines Group
10 Dec - 22 Jan	Lufthansa
29 Dec - 31 Jan	LATAM Airlines Group
31 Dec - 11 Jan	Vueling Airlines
13 Dec - 17 Jan	Air France
28 Dec - 25 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Paris 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 Paris to Buenos Aires in December from $1189

Return flights