AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to London (LHR) in December 2025 (see full year).

Return flights

10 Dec - 10 Jan	Air Canada
02 Dec - 09 Dec	Iberia
04 Dec - 11 Dec	Iberia
11 Dec - 19 Jan	LATAM Airlines Group
01 Dec - 08 Dec	British Airways
03 Dec - 02 Jan	LATAM Airlines Group
11 Dec - 19 Jan	British Airways	direct
03 Dec - 03 Jan	Lufthansa
03 Dec - 05 Jan	LATAM Airlines Group
02 Dec - 02 Jan	KLM
01 Dec - 10 Dec	Air France
10 Dec - 07 Jan	Lufthansa
02 Dec - 14 Dec	British Airways
09 Dec - 16 Jan	LATAM Airlines Group
10 Dec - 16 Jan	British Airways
05 Dec - 27 Dec	Air Canada
10 Dec - 23 Dec	Air Canada
04 Dec - 11 Dec	British Airways	direct
10 Dec - 23 Dec	British Airways	direct
09 Dec - 15 Dec	British Airways	direct

Also check the deals for one-way flights from Rio De Janeiro 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 Rio De Janeiro to London in December from $936

Return flights