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

Return flights

30 Oct - 11 Nov	GOL Linhas Aéreas
30 Oct - 10 Nov	GOL Linhas Aéreas
08 Oct - 29 Oct	Avianca
08 Oct - 11 Nov	Avianca
27 Oct - 24 Nov	Lufthansa
05 Oct - 19 Nov	GOL Linhas Aéreas
22 Oct - 18 Nov	GOL Linhas Aéreas
21 Oct - 28 Oct	Avianca
21 Oct - 10 Nov	GOL Linhas Aéreas
26 Oct - 10 Nov	GOL Linhas Aéreas
15 Oct - 19 Nov	GOL Linhas Aéreas
31 Oct - 17 Nov	Lufthansa
21 Oct - 27 Oct	Avianca
22 Oct - 27 Oct	Avianca
01 Oct - 16 Oct	TAP
08 Oct - 28 Oct	Avianca
06 Oct - 13 Oct	TAP
13 Oct - 20 Oct	TAP
16 Oct - 30 Oct	GOL Linhas Aéreas
24 Oct - 30 Oct	TAP

Also check the deals for one-way flights from Sao Paulo 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 Sao Paulo to London in October from $674

Return flights