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

Return flights

29 Oct - 06 Nov	LATAM Airlines Group
02 Oct - 13 Oct	LATAM Airlines Group
09 Oct - 16 Oct	LATAM Airlines Group
15 Oct - 26 Oct	Azul Airlines
15 Oct - 22 Oct	Azul Airlines
19 Oct - 26 Oct	Azul Airlines
09 Oct - 11 Oct	TAP
17 Oct - 25 Oct	Azul Airlines
14 Oct - 23 Oct	Azul Airlines
20 Oct - 27 Oct	Azul Airlines
24 Oct - 02 Nov	Azul Airlines
06 Oct - 16 Oct	Azul Airlines
20 Oct - 11 Nov	Azul Airlines
29 Oct - 24 Nov	Azul Airlines
08 Oct - 02 Nov	Azul Airlines

Also check the deals for one-way flights from Rio De Janeiro to London in October.

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 October from $900

Return flights