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

Return flights

01 Dec - 10 Dec	Air France
02 Dec - 08 Dec	Ryanair
03 Dec - 06 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
03 Dec - 09 Dec	Ryanair
06 Dec - 12 Dec	Ryanair
05 Dec - 12 Dec	Ryanair
01 Dec - 08 Dec	easyJet
31 Dec - 23 Jan	Delta
31 Dec - 18 Jan	Delta
13 Dec - 15 Jan	Ryanair
09 Dec - 14 Jan	Air Canada
10 Dec - 08 Jan	Ryanair
23 Dec - 20 Jan	Vueling Airlines
13 Dec - 07 Jan	Ryanair
24 Dec - 11 Jan	Delta
28 Dec - 09 Jan	Ryanair
29 Dec - 22 Jan	Iberia

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 $877

Return flights