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

Return flights

06 Dec - 10 Dec	easyJet
03 Dec - 10 Dec	Transavia France
01 Dec - 06 Dec	Transavia France
04 Dec - 13 Dec	FrenchBee
01 Dec - 07 Dec	TAP
01 Dec - 05 Dec	Transavia France
31 Dec - 25 Jan	Transavia France
06 Dec - 13 Dec	easyJet
05 Dec - 31 Jan	Air Europa
31 Dec - 13 Jan	Transavia France
30 Dec - 29 Jan	Transavia France
10 Dec - 27 Jan	TAP
31 Dec - 19 Jan	Transavia France
02 Dec - 16 Dec	Transavia France
03 Dec - 17 Dec	Transavia France
02 Dec - 17 Dec	Transavia France
04 Dec - 15 Jan	FrenchBee
05 Dec - 16 Jan	Air Europa
09 Dec - 15 Jan	FrenchBee
10 Dec - 29 Jan	easyJet

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 $1115

Return flights