Cheapest return flights from London to Sao Paulo in September from $843

Best time to book flights for London (LHR) to Sao Paulo (GRU) flights at AirHint

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

Return flights

01 Sep - 14 Oct KLM
08 Sep - 06 Oct Air France
08 Sep - 29 Sep SWISS
02 Sep - 30 Sep KLM
06 Sep - 26 Sep SWISS
15 Sep - 22 Sep British Airways
09 Sep - 01 Oct Lufthansa
01 Sep - 01 Oct KLM
02 Sep - 01 Oct KLM
08 Sep - 23 Sep LATAM Airlines Group
22 Sep - 29 Sep LATAM Airlines Group
01 Sep - 24 Sep LATAM Airlines Group direct
01 Sep - 01 Oct LATAM Airlines Group direct
17 Sep - 21 Oct LATAM Airlines Group direct
11 Sep - 02 Oct LATAM Airlines Group direct
02 Sep - 01 Oct LATAM Airlines Group direct
01 Sep - 14 Oct LATAM Airlines Group direct
10 Sep - 23 Sep TAP
01 Sep - 23 Sep LATAM Airlines Group direct
01 Sep - 30 Sep KLM

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

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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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