AirHint found the following cheapest return flights from Sao Paulo (GRU) to London (LHR) in October 2026 (see full year).

Return flights

16 Oct - 25 Oct	Iberia
13 Oct - 21 Oct	Iberia
28 Oct - 04 Nov	Iberia
27 Oct - 17 Nov	Iberia
07 Oct - 21 Oct	Iberia
13 Oct - 25 Oct	Iberia
18 Oct - 25 Oct	Iberia
13 Oct - 27 Oct	Iberia
16 Oct - 31 Oct	Iberia
17 Oct - 31 Oct	Iberia
20 Oct - 06 Nov	Iberia
12 Oct - 20 Oct	Iberia
29 Oct - 23 Nov	LATAM Airlines Group
06 Oct - 20 Oct	Iberia
31 Oct - 24 Nov	British Airways
03 Oct - 07 Nov	Iberia
19 Oct - 09 Nov	British Airways
29 Oct - 05 Nov	British Airways
26 Oct - 03 Nov	British Airways
22 Oct - 13 Nov	British Airways

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 $789

Return flights