Cheapest return flights from Brussels to Buenos Aires in September from 908€

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

Return flights

02 Sep - 28 Sep Ryanair
16 Sep - 15 Oct Brussels Airlines
25 Sep - 09 Oct Brussels Airlines
23 Sep - 30 Oct Brussels Airlines
08 Sep - 15 Sep Vueling Airlines
06 Sep - 13 Sep SWISS
08 Sep - 17 Sep SWISS
04 Sep - 13 Sep SWISS
05 Sep - 19 Sep Vueling Airlines
11 Sep - 20 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.

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