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

Return flights

20 Aug - 22 Sep	Ryanair
27 Aug - 24 Sep	Ryanair
20 Aug - 23 Sep	Ryanair
19 Aug - 22 Sep	Ryanair
30 Aug - 16 Sep	Ryanair
24 Aug - 24 Sep	Ryanair
20 Aug - 24 Sep	Ryanair
30 Aug - 27 Sep	Ryanair
31 Aug - 14 Sep	Ryanair
31 Aug - 16 Sep	Ryanair
12 Aug - 19 Aug	Ryanair
17 Aug - 22 Aug	Ryanair
19 Aug - 28 Aug	Ryanair
15 Aug - 20 Aug	Ryanair
18 Aug - 25 Aug	Ryanair
05 Aug - 13 Aug	Ryanair
16 Aug - 20 Aug	Ryanair
22 Aug - 29 Aug	Ryanair
19 Aug - 23 Aug	Ryanair
15 Aug - 17 Aug	Ryanair

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 763€

Return flights