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

Return flights

20 Aug - 17 Sep	ITA Airways
16 Aug - 18 Aug	SWISS
21 Aug - 18 Sep	ITA Airways
21 Aug - 09 Sep	ITA Airways
20 Aug - 21 Sep	ITA Airways
20 Aug - 18 Sep	ITA Airways
23 Aug - 25 Sep	KLM
23 Aug - 24 Sep	KLM
21 Aug - 10 Sep	ITA Airways
19 Aug - 09 Sep	ITA Airways
29 Aug - 30 Sep	ITA Airways
20 Aug - 25 Aug	ITA Airways
21 Aug - 25 Aug	ITA Airways
22 Aug - 24 Aug	KLM
18 Aug - 24 Aug	KLM
19 Aug - 27 Aug	KLM
20 Aug - 24 Aug	KLM
21 Aug - 24 Aug	KLM
23 Aug - 30 Aug	Delta
22 Aug - 27 Aug	KLM

Also check the deals for one-way flights from London to Sao Paulo 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 London to Sao Paulo in August from 770€

Return flights