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

Return flights

27 Oct - 23 Nov	SWISS
25 Oct - 08 Nov	TAP
24 Oct - 15 Nov	SWISS
30 Oct - 08 Nov	SWISS
28 Oct - 11 Nov	SWISS
21 Oct - 30 Nov	TAP
06 Oct - 10 Nov	SWISS
23 Oct - 10 Nov	SWISS
23 Oct - 12 Nov	SWISS
17 Oct - 12 Nov	SWISS
07 Oct - 23 Oct	GOL Linhas Aéreas
02 Oct - 06 Oct	TAP
05 Oct - 12 Oct	GOL Linhas Aéreas
04 Oct - 19 Oct	TAP
17 Oct - 24 Oct	GOL Linhas Aéreas
06 Oct - 15 Oct	TAP
02 Oct - 13 Oct	TAP
20 Oct - 29 Oct	TAP
14 Oct - 26 Oct	GOL Linhas Aéreas
18 Oct - 30 Oct	LATAM Airlines Group

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