AirHint found the following cheapest return flights from Sao Paulo (GRU) to London (LTN) in August 2026 (see full year).

Return flights

10 Aug - 24 Aug	Avianca
03 Aug - 17 Aug	Avianca
07 Aug - 20 Aug	Avianca
01 Aug - 20 Aug	Avianca
02 Aug - 16 Aug	Avianca
14 Aug - 28 Aug	Air China
14 Aug - 06 Sep	Air China
12 Aug - 27 Aug	TAP
06 Aug - 21 Aug	TAP
18 Aug - 02 Sep	Iberia
02 Aug - 10 Aug	Lufthansa
20 Aug - 14 Sep	Avianca
08 Aug - 31 Aug	Avianca
21 Aug - 13 Sep	Avianca
16 Aug - 14 Sep	Avianca
15 Aug - 09 Sep	Avianca
20 Aug - 18 Sep	LATAM Airlines Group
21 Aug - 02 Sep	Air China
17 Aug - 14 Sep	Avianca
17 Aug - 13 Sep	Air China

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 $892

Return flights