AirHint found the following cheapest return flights from Rio De Janeiro (SDU) to Buenos Aires (EZE) in August 2025 (see full year).

Return flights

23 Aug - 26 Aug	LATAM Airlines Group
25 Aug - 01 Sep	LATAM Airlines Group
29 Aug - 05 Sep	LATAM Airlines Group
19 Aug - 02 Sep	Azul Airlines
07 Aug - 10 Aug	LATAM Airlines Group
29 Aug - 31 Aug	Azul Airlines
02 Aug - 09 Aug	GOL Linhas Aéreas
16 Aug - 22 Aug	Azul Airlines
28 Aug - 01 Sep	LATAM Airlines Group
19 Aug - 24 Aug	Azul Airlines
21 Aug - 24 Aug	LATAM Airlines Group
05 Aug - 20 Aug	Azul Airlines
21 Aug - 25 Aug	Azul Airlines
22 Aug - 29 Aug	Azul Airlines
28 Aug - 03 Sep	Azul Airlines
27 Aug - 01 Sep	LATAM Airlines Group
20 Aug - 02 Sep	LATAM Airlines Group

Also check the deals for one-way flights from Rio De Janeiro 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 Rio De Janeiro to Buenos Aires in August from $321

Return flights