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

Return flights

20 Oct - 05 Nov	LATAM Airlines Group
21 Oct - 28 Oct	LATAM Airlines Group
22 Oct - 04 Nov	Avianca
22 Oct - 29 Oct	Iberia
22 Oct - 28 Oct	TAP
19 Oct - 03 Nov	TAP
25 Oct - 29 Oct	Air Europa
08 Oct - 22 Oct	TAP
24 Oct - 05 Nov	TAP
16 Oct - 28 Oct	TAP
06 Oct - 03 Nov	TAP
29 Oct - 29 Nov	TAP
07 Oct - 20 Oct	TAP
18 Oct - 30 Oct	TAP
15 Oct - 30 Oct	TAP
31 Oct - 03 Nov	TAP
13 Oct - 29 Oct	TAP
28 Oct - 04 Nov	TAP
26 Oct - 02 Nov	TAP
24 Oct - 01 Nov	TAP

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 718€

Return flights