AirHint found the following cheapest return flights from Rio De Janeiro (SDU) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

08 Jan - 16 Jan	Azul Airlines
12 Jan - 16 Jan	Azul Airlines
20 Jan - 27 Jan	LATAM Airlines Group
02 Jan - 11 Jan	GOL Linhas Aéreas
26 Jan - 04 Feb	Azul Airlines
26 Jan - 31 Jan	Azul Airlines
21 Jan - 26 Jan	Azul Airlines
12 Jan - 19 Jan	Azul Airlines
13 Jan - 19 Jan	Azul Airlines
12 Jan - 12 Jan	Azul Airlines
19 Jan - 23 Jan	Azul Airlines
24 Jan - 01 Feb	Azul Airlines

Also check the deals for one-way flights from Rio De Janeiro to Buenos Aires in January.

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 Rio De Janeiro to Buenos Aires in January from $377

Return flights