AirHint found the following cheapest return flights from Brasilia (BSB) to Buenos Aires (AEP) in August 2025 (see full year).

Return flights

13 Aug - 21 Aug	Azul Airlines
28 Aug - 04 Sep	Azul Airlines
25 Aug - 30 Aug	Azul Airlines
13 Aug - 20 Aug	Azul Airlines
19 Aug - 27 Aug	Azul Airlines
26 Aug - 02 Sep	Azul Airlines
26 Aug - 04 Sep	Azul Airlines
23 Aug - 27 Aug	Azul Airlines
20 Aug - 27 Aug	Azul Airlines
22 Aug - 29 Aug	LATAM Airlines Group
28 Aug - 03 Sep	Azul Airlines
12 Aug - 21 Aug	Azul Airlines
18 Aug - 27 Aug	Azul Airlines
14 Aug - 19 Aug	Azul Airlines
30 Aug - 05 Sep	Azul Airlines
29 Aug - 01 Sep	Azul Airlines
25 Aug - 19 Sep	Azul Airlines
31 Aug - 10 Sep	Azul Airlines
28 Aug - 14 Sep	Azul Airlines
05 Aug - 19 Sep	Azul Airlines

Also check the deals for one-way flights from Brasilia 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 Brasilia to Buenos Aires in August from $277

Return flights