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

Return flights

26 Aug - 22 Sep	Air France
25 Aug - 22 Sep	Air France
26 Aug - 23 Sep	SWISS
25 Aug - 21 Sep	Air France
18 Aug - 25 Aug	KLM
22 Aug - 04 Sep	Iberia
22 Aug - 05 Sep	Iberia
25 Aug - 15 Sep	Lufthansa
20 Aug - 06 Sep	Iberia
14 Aug - 27 Aug	Air France
15 Aug - 22 Aug	Air France
21 Aug - 03 Sep	Air France
12 Aug - 28 Aug	Air France
09 Aug - 29 Aug	Ryanair

Also check the deals for one-way flights from Marseille to Buenos Aires in August.

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 August from $1014

Return flights