AirHint found the following cheapest return flights from Brussels (BRU) to Sao Paulo (GRU) in October 2025 (see full year).

Return flights

03 Oct - 20 Oct	Delta
01 Oct - 22 Oct	Delta
01 Oct - 21 Oct	Delta
01 Oct - 08 Oct	Delta
01 Oct - 07 Oct	Delta
13 Oct - 04 Nov	Delta
21 Oct - 04 Nov	Delta
23 Oct - 13 Nov	Delta
28 Oct - 27 Nov	Delta
22 Oct - 16 Nov	Delta
13 Oct - 13 Nov	Delta
03 Oct - 12 Oct	Delta
30 Oct - 15 Nov	Delta
30 Oct - 13 Nov	Delta
12 Oct - 18 Nov	Delta
27 Oct - 08 Nov	Delta
04 Oct - 22 Oct	Delta
05 Oct - 20 Oct	Delta
10 Oct - 20 Oct	ITA Airways
03 Oct - 07 Oct	ITA Airways

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

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 Brussels to Sao Paulo in October from 630€

Return flights