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

Return flights

01 Dec - 10 Dec	Air France
03 Dec - 10 Dec	Air France
02 Dec - 10 Dec	Air France
01 Dec - 08 Dec	Air France
01 Dec - 11 Dec	Air France
02 Dec - 11 Dec	Air France
03 Dec - 08 Dec	TAP
01 Dec - 09 Dec	Air France
03 Dec - 09 Dec	Air France
02 Dec - 09 Dec	Air France
02 Dec - 31 Jan	Delta
31 Dec - 23 Jan	Delta
11 Dec - 20 Jan	American Airlines
30 Dec - 29 Jan	Lufthansa
31 Dec - 24 Jan	Lufthansa
30 Dec - 30 Jan	Lufthansa
30 Dec - 26 Jan	Lufthansa
30 Dec - 31 Jan	Lufthansa
30 Dec - 24 Jan	Lufthansa
30 Dec - 25 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.

Book a cheap hotel in Rio De Janeiro

Cheap car rent in Rio De Janeiro

Cheapest return flights from London to Rio De Janeiro in December from 735€

Return flights