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

Return flights

26 Sep - 08 Oct	GOL Linhas Aéreas
23 Sep - 30 Sep	GOL Linhas Aéreas
24 Sep - 03 Oct	GOL Linhas Aéreas
25 Sep - 22 Oct	GOL Linhas Aéreas
30 Sep - 06 Oct	LATAM Airlines Group
24 Sep - 29 Sep	Azul Airlines
29 Sep - 02 Oct	LATAM Airlines Group
24 Sep - 05 Oct	GOL Linhas Aéreas
23 Sep - 28 Sep	TAP
26 Sep - 29 Sep	LATAM Airlines Group
22 Sep - 29 Sep	GOL Linhas Aéreas
25 Sep - 28 Sep	GOL Linhas Aéreas
19 Sep - 30 Sep	GOL Linhas Aéreas
23 Sep - 13 Oct	TAP
24 Sep - 27 Sep	TAP
24 Sep - 12 Oct	GOL Linhas Aéreas
26 Sep - 28 Sep	GOL Linhas Aéreas
22 Sep - 28 Sep	TAP
20 Sep - 08 Oct	GOL Linhas Aéreas
26 Sep - 12 Oct	TAP

Also check the deals for one-way flights from Sao Paulo to London in September.

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 September from $1362

Return flights