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

Return flights

15 Sep - 22 Sep	British Airways
23 Sep - 13 Oct	United
21 Sep - 06 Oct	British Airways
22 Sep - 07 Oct	British Airways
25 Sep - 15 Oct	British Airways
08 Sep - 21 Sep	United
24 Sep - 14 Oct	United
09 Sep - 22 Sep	United
30 Sep - 18 Oct	LATAM Airlines Group	direct
30 Sep - 20 Oct	Air Europa
03 Sep - 17 Sep	United
09 Sep - 22 Sep	LATAM Airlines Group	direct
23 Sep - 08 Oct	United
01 Sep - 17 Sep	United
02 Sep - 17 Sep	Turkish Airlines
02 Sep - 21 Sep	Turkish Airlines
02 Sep - 22 Sep	Turkish Airlines
09 Sep - 23 Sep	Turkish Airlines
25 Sep - 06 Oct	Iberia

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 663€

Return flights