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

Return flights

01 Dec - 09 Dec	Air France
04 Dec - 31 Dec	Air France
03 Dec - 10 Dec	Air France
04 Dec - 11 Dec	Air France
02 Dec - 31 Dec	Air France
02 Dec - 30 Dec	Air France
01 Dec - 30 Jan	Air France
12 Dec - 10 Jan	Air France
12 Dec - 09 Jan	Air France
15 Dec - 14 Jan	Air France
15 Dec - 15 Jan	Air France
12 Dec - 31 Jan	Air France
02 Dec - 08 Dec	Air France
04 Dec - 07 Dec	Air France
02 Dec - 30 Jan	Air France
24 Dec - 31 Dec	Air France
24 Dec - 17 Jan	Air France
10 Dec - 10 Jan	Air France
22 Dec - 31 Dec	Air France
13 Dec - 31 Jan	Air France

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 636€

Return flights