AirHint found the following cheapest return flights from London (LHR) to Rio De Janeiro (GIG) in December 2026 (see full year).

Return flights

01 Dec - 24 Dec	Lufthansa
07 Dec - 24 Dec	Lufthansa
01 Dec - 12 Dec	Lufthansa
01 Dec - 13 Dec	Lufthansa
01 Dec - 07 Dec	Air France
02 Dec - 13 Dec	Lufthansa
01 Dec - 17 Dec	Lufthansa
04 Dec - 10 Dec	Air France
03 Dec - 16 Dec	British Airways	direct
03 Dec - 10 Dec	TAP
03 Dec - 04 Jan	TAP
30 Dec - 08 Jan	Iberia
01 Dec - 01 Jan	TAP
07 Dec - 07 Jan	Lufthansa
26 Dec - 08 Jan	Iberia
07 Dec - 03 Jan	Lufthansa
01 Dec - 05 Jan	Lufthansa
01 Dec - 02 Jan	Lufthansa
01 Dec - 07 Jan	Lufthansa
11 Dec - 05 Jan	Lufthansa

Also check the deals for one-way flights from London to Rio De Janeiro 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 London to Rio De Janeiro in December from 722€

Return flights