Cheapest return flights from Brussels to Buenos Aires in September from $1124

Best time to book flights for Brussels (BRU) to Buenos Aires (AEP) flights at AirHint

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

Return flights

05 Sep - 29 Sep LATAM Airlines Group
29 Sep - 13 Oct LATAM Airlines Group
05 Sep - 30 Sep LATAM Airlines Group
05 Sep - 26 Sep LATAM Airlines Group
05 Sep - 01 Oct LATAM Airlines Group
22 Sep - 30 Sep LATAM Airlines Group
08 Sep - 21 Sep SWISS
05 Sep - 22 Sep LATAM Airlines Group
01 Sep - 15 Sep 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires