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

Return flights

04 Dec - 07 Dec	TAP
05 Dec - 31 Dec	KLM
06 Dec - 31 Dec	KLM
08 Dec - 18 Jan	GOL Linhas Aéreas
02 Dec - 07 Dec	TAP
04 Dec - 25 Dec	Air Canada
09 Dec - 30 Dec	GOL Linhas Aéreas
09 Dec - 29 Dec	TAP
09 Dec - 27 Jan	GOL Linhas Aéreas
01 Dec - 31 Dec	TAP
03 Dec - 28 Jan	TAP
03 Dec - 30 Dec	TAP
08 Dec - 20 Jan	GOL Linhas Aéreas
02 Dec - 25 Dec	Air Canada
02 Dec - 30 Jan	TAP
08 Dec - 27 Jan	LATAM Airlines Group
06 Dec - 20 Jan	TAP
08 Dec - 01 Jan	Air France
09 Dec - 01 Jan	GOL Linhas Aéreas
08 Dec - 19 Jan	TAP

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Sao Paulo to London in December from 634€

Return flights