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

Return flights

08 Dec - 15 Dec	Avianca
04 Dec - 25 Dec	Avianca
04 Dec - 31 Dec	Avianca
01 Dec - 31 Dec	Avianca
26 Dec - 31 Dec	Avianca
16 Dec - 30 Dec	Avianca
14 Dec - 28 Dec	Avianca
06 Dec - 21 Dec	Avianca
11 Dec - 13 Jan	Ryanair
13 Dec - 27 Dec	Avianca
09 Dec - 31 Dec	Avianca
28 Dec - 18 Jan	Avianca
22 Dec - 19 Jan	Avianca
23 Dec - 19 Jan	Avianca
26 Dec - 13 Jan	Avianca
23 Dec - 18 Jan	Avianca
24 Dec - 14 Jan	Avianca
31 Dec - 07 Jan	SWISS
08 Dec - 06 Jan	Avianca
18 Dec - 26 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 821€

Return flights