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

Return flights

02 Dec - 07 Dec	Air China
02 Dec - 31 Dec	Air Europa
08 Dec - 19 Jan	LATAM Airlines Group
01 Dec - 19 Jan	Iberia
06 Dec - 31 Dec	Air Europa
01 Dec - 15 Dec	Air China
01 Dec - 31 Dec	Air Europa
01 Dec - 06 Dec	LATAM Airlines Group
04 Dec - 31 Dec	Air Europa
12 Dec - 20 Jan	Iberia
03 Dec - 06 Dec	LATAM Airlines Group
10 Dec - 31 Dec	LATAM Airlines Group
05 Dec - 16 Dec	ITA Airways
01 Dec - 01 Jan	Air Europa
09 Dec - 11 Jan	Iberia
01 Dec - 20 Jan	Iberia
08 Dec - 06 Jan	Air Europa
12 Dec - 05 Jan	Ethiopian Airlines
06 Dec - 10 Jan	LATAM Airlines Group
08 Dec - 16 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Sao Paulo to London 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 London in December from 699€

Return flights