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

Return flights

06 Oct - 15 Oct	TAP
02 Oct - 06 Oct	TAP
25 Oct - 08 Nov	TAP
28 Oct - 13 Nov	Royal Air Maroc
17 Oct - 12 Nov	SWISS
24 Oct - 04 Nov	Air Europa
10 Oct - 10 Nov	TAP
15 Oct - 03 Nov	TAP
24 Oct - 01 Nov	TAP
24 Oct - 15 Nov	TAP
27 Oct - 03 Nov	TAP
07 Oct - 13 Oct	TAP
04 Oct - 01 Nov	TAP
14 Oct - 26 Oct	TAP
13 Oct - 20 Oct	TAP
01 Oct - 10 Oct	TAP
11 Oct - 26 Oct	TAP
04 Oct - 10 Oct	TAP
01 Oct - 06 Oct	TAP
16 Oct - 23 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 573€

Return flights