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

Return flights

01 Dec - 08 Dec	LATAM Airlines Group
05 Dec - 12 Dec	LATAM Airlines Group
05 Dec - 14 Dec	LATAM Airlines Group
06 Dec - 13 Dec	Iberia
29 Dec - 17 Jan	Tunisair
27 Dec - 18 Jan	Jet2
10 Dec - 27 Jan	LATAM Airlines Group
24 Dec - 20 Jan	LATAM Airlines Group
09 Dec - 13 Jan	LATAM Airlines Group
06 Dec - 29 Dec	LATAM Airlines Group
22 Dec - 18 Jan	easyJet
11 Dec - 30 Dec	Air France
11 Dec - 31 Jan	LATAM Airlines Group
16 Dec - 31 Dec	LATAM Airlines Group
12 Dec - 01 Jan	Vueling Airlines
13 Dec - 07 Jan	Vueling Airlines
15 Dec - 01 Jan	Iberia
20 Dec - 27 Dec	easyJet

Also check the deals for one-way flights from Geneva 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 Geneva to Buenos Aires in December from $1085

Return flights