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

Return flights

22 Oct - 27 Oct	Avianca
22 Oct - 02 Nov	Avianca
06 Oct - 17 Nov	Avianca
06 Oct - 03 Nov	Avianca
22 Oct - 29 Oct	Avianca
28 Oct - 11 Nov	Avianca
08 Oct - 17 Nov	Avianca
08 Oct - 24 Nov	GOL Linhas Aéreas
28 Oct - 10 Nov	Avianca
05 Oct - 02 Nov	Avianca
08 Oct - 29 Oct	Avianca
23 Oct - 12 Nov	Air France
24 Oct - 27 Nov	GOL Linhas Aéreas
07 Oct - 27 Oct	Avianca
23 Oct - 28 Oct	Avianca
01 Oct - 28 Oct	Avianca
07 Oct - 21 Oct	Avianca
06 Oct - 21 Oct	Avianca
16 Oct - 29 Oct	Avianca
09 Oct - 29 Oct	Avianca

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Sao Paulo to London in October from 590€

Return flights