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

Return flights

09 Dec - 30 Dec	ITA Airways
01 Dec - 08 Dec	TAP
01 Dec - 26 Dec	ITA Airways
01 Dec - 10 Dec	Lufthansa
03 Dec - 10 Dec	Lufthansa
10 Dec - 26 Dec	ITA Airways
13 Dec - 31 Dec	Iberia
05 Dec - 13 Dec	ITA Airways
15 Dec - 31 Dec	Lufthansa
05 Dec - 15 Dec	ITA Airways
24 Dec - 28 Jan	Lufthansa
04 Dec - 05 Jan	ITA Airways
22 Dec - 06 Jan	LATAM Airlines Group
12 Dec - 11 Jan	Air Europa
14 Dec - 01 Jan	ITA Airways
26 Dec - 01 Jan	LATAM Airlines Group
15 Dec - 01 Jan	British Airways
13 Dec - 01 Jan	British Airways
14 Dec - 05 Jan	ITA Airways
16 Dec - 01 Jan	ITA Airways

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

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 December from $688

Return flights