Cheapest return flights from Brussels to Buenos Aires in September from $1321

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

03 Sep - 18 Sep LATAM Airlines Group
16 Sep - 14 Oct Vueling Airlines
17 Sep - 04 Oct Vueling Airlines
14 Sep - 04 Oct Vueling Airlines
09 Sep - 13 Sep Air Canada
11 Sep - 16 Sep SWISS
12 Sep - 04 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires