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

Return flights

06 Aug - 04 Sep	Air France
04 Aug - 10 Sep	Air France
06 Aug - 20 Aug	Air France
01 Aug - 02 Sep	Air France
01 Aug - 20 Aug	Air France
01 Aug - 19 Aug	Air France
01 Aug - 30 Aug	Air France
13 Aug - 20 Aug	GOL Linhas Aéreas
11 Aug - 05 Sep	Air France
04 Aug - 28 Aug	Air France
05 Aug - 28 Aug	Air France
05 Aug - 15 Aug	Air France
02 Aug - 13 Aug	Air France
01 Aug - 12 Aug	Air France
04 Aug - 30 Sep	Air France
10 Aug - 15 Sep	KLM
03 Aug - 07 Sep	KLM
25 Aug - 25 Sep	GOL Linhas Aéreas
19 Aug - 04 Sep	GOL Linhas Aéreas
19 Aug - 12 Sep	Air France

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

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 August from 666€

Return flights