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

Return flights

01 Dec - 07 Dec	ITA Airways
03 Dec - 10 Dec	ITA Airways
02 Dec - 09 Dec	ITA Airways
02 Dec - 07 Dec	ITA Airways
01 Dec - 10 Dec	ITA Airways
04 Dec - 11 Dec	ITA Airways
01 Dec - 08 Dec	ITA Airways
03 Dec - 21 Jan	ITA Airways
01 Dec - 14 Dec	ITA Airways
05 Dec - 08 Dec	ITA Airways
03 Dec - 29 Dec	ITA Airways
11 Dec - 28 Jan	ITA Airways
11 Dec - 26 Jan	ITA Airways
15 Dec - 27 Jan	ITA Airways
09 Dec - 21 Jan	ITA Airways
15 Dec - 26 Jan	ITA Airways
11 Dec - 25 Jan	ITA Airways
10 Dec - 21 Jan	ITA Airways
05 Dec - 23 Jan	ITA Airways
15 Dec - 21 Jan	ITA Airways

Also check the deals for one-way flights from London 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.

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Cheapest return flights from London to Sao Paulo in December from 721€

Return flights