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

Return flights

01 Dec - 08 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
09 Dec - 27 Dec	Iberia
22 Dec - 16 Jan	Ryanair
25 Dec - 17 Jan	TAP
22 Dec - 17 Jan	Ryanair
16 Dec - 26 Dec	Ryanair
25 Dec - 16 Jan	Vueling Airlines
21 Dec - 16 Jan	TAP
20 Dec - 16 Jan	Ryanair
20 Dec - 17 Jan	Ryanair
21 Dec - 17 Jan	TAP
12 Dec - 02 Jan	Ryanair
19 Dec - 17 Jan	Ryanair

Also check the deals for one-way flights from Marseille 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 Marseille to Buenos Aires in December from 969€

Return flights