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

Return flights

28 Aug - 29 Sep	Ryanair
31 Aug - 25 Sep	Ryanair
31 Aug - 26 Sep	Ryanair
30 Aug - 30 Sep	easyJet
27 Aug - 24 Sep	easyJet
31 Aug - 30 Sep	easyJet
20 Aug - 12 Sep	Ryanair
28 Aug - 18 Sep	easyJet
20 Aug - 24 Sep	easyJet
22 Aug - 21 Sep	Ryanair
14 Aug - 20 Aug	easyJet
14 Aug - 21 Aug	Wizz Air UK
13 Aug - 17 Aug	easyJet
18 Aug - 27 Aug	Ryanair
16 Aug - 22 Aug	Ryanair
15 Aug - 22 Aug	Ryanair
20 Aug - 27 Aug	Ryanair
14 Aug - 19 Aug	easyJet
14 Aug - 18 Aug	Ryanair
14 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 $1003

Return flights