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

Return flights

02 Dec - 16 Dec	Avianca
05 Dec - 12 Dec	Avianca
01 Dec - 15 Dec	Avianca
02 Dec - 09 Dec	Avianca
01 Dec - 07 Dec	Air Canada
04 Dec - 18 Dec	Avianca
05 Dec - 14 Dec	Avianca
28 Dec - 25 Jan	Avianca
29 Dec - 22 Jan	Avianca
09 Dec - 17 Dec	Avianca
29 Dec - 20 Jan	Avianca
12 Dec - 28 Dec	Iberia
05 Dec - 29 Dec	Avianca
10 Dec - 22 Jan	Avianca
26 Dec - 20 Jan	Avianca
28 Dec - 17 Jan	Avianca
24 Dec - 17 Jan	Avianca
16 Dec - 24 Jan	Avianca
28 Dec - 14 Jan	Avianca
28 Dec - 16 Jan	Avianca

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 867€

Return flights