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

Return flights

22 Oct - 29 Oct	Avianca
22 Oct - 04 Nov	Avianca
22 Oct - 27 Oct	Avianca
22 Oct - 28 Oct	Avianca
21 Oct - 30 Nov	GOL Linhas Aéreas
22 Oct - 29 Nov	GOL Linhas Aéreas
21 Oct - 28 Oct	Avianca
28 Oct - 04 Nov	Avianca
09 Oct - 11 Nov	Avianca
20 Oct - 28 Oct	Avianca
05 Oct - 04 Nov	Avianca
06 Oct - 28 Oct	Avianca
17 Oct - 02 Nov	Air China
06 Oct - 05 Nov	Avianca
22 Oct - 03 Nov	Avianca
21 Oct - 06 Nov	Air China
08 Oct - 21 Oct	Avianca
06 Oct - 15 Oct	Avianca
20 Oct - 27 Oct	Avianca
23 Oct - 28 Oct	Avianca

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 593€

Return flights