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

Return flights

03 Dec - 27 Jan	TAP
03 Dec - 01 Jan	TAP
04 Dec - 31 Dec	TAP
06 Dec - 05 Jan	TAP
01 Dec - 10 Dec	Air France
12 Dec - 19 Jan	British Airways
17 Dec - 21 Jan	British Airways
23 Dec - 21 Jan	British Airways
24 Dec - 07 Jan	Lufthansa
11 Dec - 05 Jan	TAP
04 Dec - 02 Jan	TAP
16 Dec - 06 Jan	LATAM Airlines Group
09 Dec - 16 Dec	British Airways	direct
04 Dec - 31 Dec	British Airways	direct
10 Dec - 22 Dec	Air France
08 Dec - 22 Dec	Air France
17 Dec - 27 Dec	Lufthansa
17 Dec - 24 Dec	TAP
17 Dec - 28 Dec	Lufthansa
04 Dec - 18 Dec	Iberia

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 $816

Return flights