Cheapest return flights from Brasilia to Buenos Aires in September from $284

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

Return flights

10 Sep - 18 Sep Azul Airlines
09 Sep - 18 Sep Azul Airlines
25 Sep - 28 Sep Azul Airlines
12 Sep - 20 Sep Azul Airlines
07 Sep - 12 Sep Azul Airlines
05 Sep - 10 Sep Azul Airlines
02 Sep - 07 Sep LATAM Airlines Group
23 Sep - 30 Sep Azul Airlines
22 Sep - 26 Sep Azul Airlines
01 Sep - 10 Sep Azul Airlines

Also check the deals for one-way flights from Brasilia to Buenos Aires in September.

Skyscanner

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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