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

Return flights

27 Oct - 09 Nov	KLM
14 Oct - 20 Nov	TAP
13 Oct - 20 Nov	TAP
01 Oct - 31 Oct	TAP
08 Oct - 04 Nov	TAP
08 Oct - 10 Nov	TAP
07 Oct - 03 Nov	TAP
07 Oct - 09 Nov	TAP
10 Oct - 05 Nov	TAP
07 Oct - 02 Nov	TAP
01 Oct - 22 Oct	TAP
14 Oct - 20 Oct	TAP
11 Oct - 26 Oct	TAP
03 Oct - 07 Oct	TAP
15 Oct - 20 Oct	TAP
06 Oct - 26 Oct	TAP
05 Oct - 12 Oct	TAP
01 Oct - 17 Oct	TAP
24 Oct - 27 Oct	TAP
24 Oct - 09 Nov	TAP

Also check the deals for one-way flights from London to Sao Paulo 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 London to Sao Paulo in October from 652€

Return flights