AirHint found the following cheapest return flights from London (LHR) to Sao Paulo (GRU) in October 2025 (see full year).

Return flights

28 Oct - 12 Nov	Avianca
06 Oct - 20 Oct	Vueling Airlines
12 Oct - 20 Oct	Avianca
12 Oct - 21 Oct	Avianca
12 Oct - 22 Oct	Avianca
09 Oct - 13 Oct	Vueling Airlines
05 Oct - 17 Oct	Avianca
28 Oct - 10 Nov	Avianca
05 Oct - 09 Oct	Avianca
05 Oct - 14 Oct	Avianca
12 Oct - 29 Oct	Avianca
05 Oct - 15 Oct	Avianca
21 Oct - 18 Nov	Avianca
05 Oct - 07 Nov	Avianca
21 Oct - 25 Nov	Avianca
11 Oct - 07 Nov	Avianca
12 Oct - 12 Nov	Avianca
28 Oct - 15 Nov	Vueling Airlines
22 Oct - 04 Nov	Avianca
16 Oct - 05 Nov	Avianca

Also check the deals for one-way flights from London to Sao Paulo 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 Sao Paulo in October from 716€

Return flights