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

Return flights

23 Dec - 05 Jan	LATAM Airlines Group
20 Dec - 19 Jan	LATAM Airlines Group
04 Dec - 11 Dec	LATAM Airlines Group
20 Dec - 29 Dec	LATAM Airlines Group
12 Dec - 02 Jan	Azul Airlines
28 Dec - 06 Jan	Azul Airlines
08 Dec - 24 Dec	Azul Airlines
16 Dec - 27 Dec	ITA Airways
16 Dec - 07 Jan	ITA Airways
09 Dec - 31 Dec	Azul Airlines
08 Dec - 15 Dec	Azul Airlines
12 Dec - 03 Jan	Azul Airlines
22 Dec - 31 Dec	Azul Airlines
23 Dec - 07 Jan	LATAM Airlines Group
28 Dec - 12 Jan	Azul Airlines
12 Dec - 22 Dec	Azul Airlines
25 Dec - 08 Jan	Azul Airlines
19 Dec - 08 Jan	Azul Airlines
22 Dec - 30 Dec	Azul Airlines
12 Dec - 19 Dec	Azul Airlines

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 1139€

Return flights