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

Return flights

08 Oct - 20 Oct	Lufthansa
06 Oct - 16 Oct	Air France
06 Oct - 15 Oct	Air France
05 Oct - 23 Nov	Air France
06 Oct - 12 Oct	Air France
05 Oct - 15 Oct	Air France
05 Oct - 12 Oct	Air France
05 Oct - 20 Oct	Air France
07 Oct - 30 Oct	Austrian Airlines
09 Oct - 15 Oct	KLM
08 Oct - 19 Oct	Lufthansa
14 Oct - 13 Nov	Lufthansa
26 Oct - 14 Nov	Finnair
31 Oct - 10 Nov	Finnair
30 Oct - 09 Nov	Finnair
26 Oct - 04 Nov	Finnair
30 Oct - 16 Nov	Finnair
29 Oct - 13 Nov	Finnair
31 Oct - 17 Nov	Finnair
31 Oct - 22 Nov	Finnair

Also check the deals for one-way flights from London to Rio De Janeiro 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 London to Rio De Janeiro in October from 774€

Return flights