AirHint found the following cheapest return flights from Sao Paulo (GRU) to Brussels (BRU) in September 2026 (see full year).

Return flights

24 Sep - 08 Oct	Iberia
26 Sep - 08 Oct	Iberia
02 Sep - 22 Sep	Lufthansa
01 Sep - 08 Sep	Lufthansa
01 Sep - 30 Sep	Turkish Airlines
04 Sep - 24 Sep	Turkish Airlines
18 Sep - 22 Sep	LATAM Airlines Group

Also check the deals for one-way flights from Sao Paulo to Brussels in September.

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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Cheapest return flights from Sao Paulo to Brussels in September from 678€

Return flights