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

Return flights

05 Oct - 14 Oct	Royal Air Maroc
24 Oct - 15 Nov	TAP
15 Oct - 28 Oct	TAP
15 Oct - 25 Oct	TAP
22 Oct - 06 Nov	TAP
15 Oct - 13 Nov	TAP
24 Oct - 08 Nov	TAP
15 Oct - 19 Nov	TAP
22 Oct - 29 Oct	TAP
08 Oct - 18 Nov	Royal Air Maroc
22 Oct - 02 Nov	TAP
15 Oct - 27 Oct	TAP
24 Oct - 09 Nov	TAP
24 Oct - 30 Oct	TAP
22 Oct - 12 Nov	TAP
24 Oct - 12 Nov	TAP
09 Oct - 20 Oct	Wizz Air Malta
05 Oct - 13 Oct	Norse Atlantic Airways (UK)
09 Oct - 13 Oct	Wizz Air Malta
09 Oct - 22 Oct	Wizz Air Malta

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 670€

Return flights