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

Return flights

21 Aug - 25 Sep	SWISS
16 Aug - 30 Sep	KLM
20 Aug - 30 Sep	SWISS
19 Aug - 22 Sep	SWISS
27 Aug - 24 Sep	KLM
29 Aug - 23 Sep	ITA Airways
28 Aug - 27 Sep	KLM
22 Aug - 22 Sep	KLM
15 Aug - 17 Aug	KLM
20 Aug - 31 Aug	Delta
21 Aug - 31 Aug	Delta
19 Aug - 31 Aug	Delta
22 Aug - 31 Aug	Delta
19 Aug - 06 Sep	Delta
20 Aug - 06 Sep	Delta
13 Aug - 20 Aug	SWISS
14 Aug - 17 Aug	KLM
14 Aug - 18 Aug	ITA Airways
22 Aug - 30 Aug	Delta
19 Aug - 25 Aug	Delta

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 $981

Return flights