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

Return flights

04 Dec - 31 Dec	Air Europa
12 Dec - 01 Jan	Royal Air Maroc
03 Dec - 30 Jan	Air Europa
06 Dec - 24 Dec	Air Europa
08 Dec - 30 Jan	Air Europa
09 Dec - 28 Dec	Air Europa
15 Dec - 31 Dec	Air Europa
11 Dec - 30 Dec	Air Europa
06 Dec - 26 Dec	Air Europa
14 Dec - 01 Jan	Air Europa
15 Dec - 29 Dec	Air Europa
14 Dec - 30 Dec	Air Europa
06 Dec - 23 Dec	Air Europa
13 Dec - 23 Dec	Air Europa
28 Dec - 21 Jan	Air Europa
15 Dec - 02 Jan	Air Europa
10 Dec - 05 Jan	Air Europa
18 Dec - 07 Jan	Air Europa
29 Dec - 09 Jan	Air Europa
25 Dec - 28 Jan	Air Europa

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 $841

Return flights