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

Return flights

06 Aug - 29 Aug	TAP
12 Aug - 21 Aug	LATAM Airlines Group
01 Aug - 27 Aug	TAP
01 Aug - 26 Aug	TAP
15 Aug - 07 Sep	Royal Air Maroc
01 Aug - 31 Aug	Royal Air Maroc
06 Aug - 24 Aug	TAP
20 Aug - 26 Aug	TAP
01 Aug - 25 Aug	TAP
01 Aug - 30 Aug	Royal Air Maroc
06 Aug - 23 Aug	TAP
17 Aug - 20 Sep	TAP
17 Aug - 28 Sep	TAP
22 Aug - 05 Sep	TAP
15 Aug - 14 Sep	Royal Air Maroc
15 Aug - 13 Sep	TAP
22 Aug - 03 Sep	TAP
22 Aug - 02 Sep	TAP
22 Aug - 21 Sep	TAP
22 Aug - 14 Sep	TAP

Also check the deals for one-way flights from Sao Paulo to London 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 Sao Paulo to London in August from $1018

Return flights