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

Return flights

21 Oct - 30 Nov	KLM
13 Oct - 27 Oct	Air France
17 Oct - 10 Nov	Air France
16 Oct - 09 Nov	KLM
17 Oct - 26 Oct	Air France
18 Oct - 26 Oct	Air France
18 Oct - 01 Nov	Air France
10 Oct - 15 Nov	KLM
12 Oct - 21 Oct	KLM
18 Oct - 30 Oct	Air France
06 Oct - 01 Nov	Air France
17 Oct - 03 Nov	Air France
16 Oct - 01 Nov	KLM
04 Oct - 01 Nov	Air France
24 Oct - 14 Nov	KLM
06 Oct - 20 Oct	Air France
17 Oct - 25 Oct	Air France
09 Oct - 15 Oct	Air France
06 Oct - 17 Oct	Air France
10 Oct - 19 Oct	Air France

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 698€

Return flights