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

Return flights

13 Dec - 26 Jan	SWISS
15 Dec - 26 Jan	Lufthansa
17 Dec - 26 Jan	Lufthansa
17 Dec - 28 Jan	Lufthansa
01 Dec - 05 Dec	TAP
02 Dec - 04 Dec	TAP
07 Dec - 14 Dec	SWISS
06 Dec - 14 Dec	SWISS
08 Dec - 15 Dec	Lufthansa
08 Dec - 16 Dec	TAP
09 Dec - 16 Dec	TAP
17 Dec - 30 Jan	Lufthansa
10 Dec - 16 Dec	TAP
12 Dec - 01 Jan	SWISS
09 Dec - 15 Dec	ITA Airways
18 Dec - 26 Jan	KLM
08 Dec - 17 Dec	ITA Airways
18 Dec - 28 Jan	KLM
17 Dec - 31 Jan	Lufthansa
25 Dec - 07 Jan	KLM

Also check the deals for one-way flights from Sao Paulo to Luxemburg 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 Luxemburg in December from 808€

Return flights