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

Return flights

02 Dec - 09 Dec	Azul Airlines
15 Dec - 25 Jan	GOL Linhas Aéreas
08 Dec - 15 Dec	Azul Airlines
14 Dec - 18 Jan	Azul Airlines
06 Dec - 08 Dec	Azul Airlines
03 Dec - 15 Dec	Azul Airlines
17 Dec - 31 Dec	Azul Airlines
02 Dec - 15 Dec	Azul Airlines
08 Dec - 04 Jan	Azul Airlines
16 Dec - 18 Jan	GOL Linhas Aéreas
22 Dec - 15 Jan	Azul Airlines
14 Dec - 24 Dec	GOL Linhas Aéreas
10 Dec - 06 Jan	Azul Airlines
07 Dec - 14 Dec	Azul Airlines
15 Dec - 06 Jan	GOL Linhas Aéreas
22 Dec - 29 Dec	Azul Airlines
24 Dec - 26 Jan	Azul Airlines
18 Dec - 01 Jan	Azul Airlines
22 Dec - 30 Jan	Azul Airlines
01 Dec - 15 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 $1117

Return flights