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

Return flights

03 Dec - 10 Dec	Wizz Air Malta
03 Dec - 11 Dec	Wizz Air Malta
03 Dec - 08 Dec	easyJet
05 Dec - 13 Dec	Wizz Air Malta
04 Dec - 10 Dec	Wizz Air Malta
05 Dec - 12 Dec	Wizz Air Malta
05 Dec - 08 Dec	Wizz Air Malta
05 Dec - 10 Dec	Wizz Air Malta
03 Dec - 13 Dec	Wizz Air Malta
05 Dec - 09 Dec	Wizz Air Malta
30 Dec - 27 Jan	easyJet
30 Dec - 29 Jan	easyJet
04 Dec - 22 Jan	easyJet
31 Dec - 30 Jan	easyJet
27 Dec - 31 Jan	easyJet
05 Dec - 22 Jan	Wizz Air Malta
30 Dec - 18 Jan	easyJet
24 Dec - 29 Jan	easyJet
29 Dec - 19 Jan	Wizz Air Malta
24 Dec - 31 Jan	Wizz Air Malta

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 751€

Return flights