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

Return flights

03 Dec - 08 Dec	Transavia France
07 Dec - 15 Dec	Transavia France
01 Dec - 07 Dec	Ryanair
01 Dec - 14 Dec	Ryanair
01 Dec - 15 Dec	Ryanair
08 Dec - 15 Dec	Vueling Airlines
03 Dec - 20 Jan	Transavia France
06 Dec - 14 Dec	FrenchBee
05 Dec - 15 Dec	Ryanair
08 Dec - 24 Dec	Avianca
01 Dec - 16 Dec	Ryanair
31 Dec - 22 Jan	Transavia France
31 Dec - 21 Jan	Transavia France
30 Dec - 30 Jan	easyJet
29 Dec - 29 Jan	easyJet
31 Dec - 31 Jan	Transavia France
31 Dec - 16 Jan	Transavia France
30 Dec - 15 Jan	Ryanair
30 Dec - 16 Jan	Ryanair
04 Dec - 19 Jan	FrenchBee

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 923€

Return flights