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

Return flights

29 Aug - 15 Sep	Avianca
28 Aug - 15 Sep	Avianca
21 Aug - 11 Sep	Avianca
18 Aug - 10 Sep	Avianca
21 Aug - 14 Sep	Avianca
24 Aug - 10 Sep	Avianca
20 Aug - 21 Sep	Avianca
20 Aug - 10 Sep	Avianca
22 Aug - 22 Sep	Avianca
21 Aug - 25 Sep	Avianca
19 Aug - 27 Aug	Delta
18 Aug - 25 Aug	Delta
18 Aug - 27 Aug	Delta
20 Aug - 27 Aug	Delta
17 Aug - 25 Aug	Delta
17 Aug - 26 Aug	Delta
17 Aug - 27 Aug	Delta
18 Aug - 26 Aug	Delta
19 Aug - 26 Aug	Delta
19 Aug - 23 Aug	Avianca

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.

Book a cheap hotel in Sao Paulo

Cheap car rent in Sao Paulo

Cheapest return flights from London to Sao Paulo in August from $826

Return flights