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

Return flights

05 Aug - 21 Aug	Air France
05 Aug - 25 Aug	GOL Linhas Aéreas
05 Aug - 24 Aug	GOL Linhas Aéreas
04 Aug - 10 Sep	SWISS
01 Aug - 27 Aug	TAP
07 Aug - 03 Sep	TAP
04 Aug - 25 Aug	GOL Linhas Aéreas
04 Aug - 19 Aug	GOL Linhas Aéreas
11 Aug - 05 Sep	SWISS
12 Aug - 07 Sep	GOL Linhas Aéreas
04 Aug - 26 Aug	GOL Linhas Aéreas
12 Aug - 08 Sep	GOL Linhas Aéreas
05 Aug - 26 Aug	Air France
03 Aug - 10 Sep	SWISS
20 Aug - 08 Sep	TAP
21 Aug - 08 Sep	TAP
18 Aug - 08 Sep	TAP
11 Aug - 01 Sep	SWISS
13 Aug - 27 Aug	GOL Linhas Aéreas
12 Aug - 24 Aug	GOL Linhas Aéreas

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 620€

Return flights