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

Return flights

02 Dec - 08 Dec	TAP
03 Dec - 09 Dec	TAP
11 Dec - 26 Jan	TAP
04 Dec - 31 Dec	Air Europa
12 Dec - 31 Dec	Air Europa
12 Dec - 24 Dec	Air Europa
11 Dec - 01 Jan	TAP
09 Dec - 20 Jan	Air Europa
08 Dec - 28 Dec	TAP
13 Dec - 31 Dec	Air Europa
08 Dec - 15 Dec	TAP
22 Dec - 23 Jan	LATAM Airlines Group
08 Dec - 29 Dec	TAP
01 Dec - 12 Jan	TAP
11 Dec - 24 Dec	Air Europa
08 Dec - 06 Jan	TAP
05 Dec - 03 Jan	TAP
06 Dec - 06 Jan	TAP
08 Dec - 05 Jan	TAP
17 Dec - 06 Jan	Royal Air Maroc

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 553€

Return flights