Cheapest return flights from Brussels to Buenos Aires in September from $1327

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

Return flights

23 Sep - 31 Oct LATAM Airlines Group
11 Sep - 03 Oct SWISS
01 Sep - 19 Sep LATAM Airlines Group
07 Sep - 21 Sep LATAM Airlines Group
20 Sep - 27 Sep LATAM Airlines Group
04 Sep - 13 Sep SWISS
20 Sep - 24 Oct SWISS

Also check the deals for one-way flights from Brussels 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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