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

Return flights

05 Aug - 05 Sep	Royal Air Maroc
04 Aug - 28 Aug	Air France
04 Aug - 27 Aug	Iberia
02 Aug - 02 Sep	TAP
02 Aug - 29 Aug	Iberia
04 Aug - 29 Aug	Iberia
02 Aug - 26 Aug	Iberia
04 Aug - 25 Aug	Iberia
05 Aug - 25 Aug	Iberia
01 Aug - 28 Aug	SWISS
02 Aug - 30 Aug	TAP
19 Aug - 17 Sep	Iberia
03 Aug - 29 Aug	TAP	direct
03 Aug - 09 Sep	KLM
03 Aug - 28 Sep	Royal Air Maroc
05 Aug - 01 Sep	TAP
07 Aug - 18 Sep	Iberia
01 Aug - 04 Sep	KLM
01 Aug - 03 Sep	KLM
15 Aug - 15 Sep	Royal Air Maroc

Also check the deals for one-way flights from Sao Paulo to Lisbon 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 Lisbon in August from 561€

Return flights