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

Return flights

01 Dec - 07 Dec	Delta
08 Dec - 28 Jan	Iberia
01 Dec - 04 Dec	Lufthansa
05 Dec - 07 Dec	KLM
01 Dec - 14 Dec	KLM
03 Dec - 21 Jan	Lufthansa
24 Dec - 25 Jan	Delta
25 Dec - 30 Dec	Ethiopian Airlines
28 Dec - 18 Jan	Ethiopian Airlines
25 Dec - 12 Jan	Ethiopian Airlines
25 Dec - 13 Jan	Ethiopian Airlines
09 Dec - 17 Dec	TAP
23 Dec - 28 Jan	Lufthansa
23 Dec - 29 Jan	Lufthansa
22 Dec - 30 Jan	Lufthansa
22 Dec - 29 Jan	Lufthansa
05 Dec - 26 Dec	Lufthansa
12 Dec - 19 Dec	Ethiopian Airlines
13 Dec - 31 Dec	Brussels Airlines
24 Dec - 27 Dec	TAP

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

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Cheapest return flights from Brussels to Sao Paulo in December from $747

Return flights