AirHint found the following cheapest return flights from Lisbon (LIS) to Sao Paulo (GRU) in September 2026 (see full year).

Return flights

10 Sep - 22 Sep	Royal Air Maroc
11 Sep - 23 Sep	Royal Air Maroc
07 Sep - 18 Sep	Royal Air Maroc
10 Sep - 07 Oct	Royal Air Maroc
10 Sep - 29 Sep	Royal Air Maroc
10 Sep - 30 Sep	Royal Air Maroc
10 Sep - 27 Sep	Royal Air Maroc
02 Sep - 30 Sep	Iberia
14 Sep - 30 Sep	Iberia
14 Sep - 27 Sep	Iberia
09 Sep - 30 Sep	Iberia
22 Sep - 06 Oct	Iberia
08 Sep - 13 Oct	Iberia
21 Sep - 07 Oct	Royal Air Maroc
11 Sep - 21 Oct	Delta
26 Sep - 25 Oct	Iberia
28 Sep - 30 Oct	Royal Air Maroc
20 Sep - 10 Oct	Iberia
18 Sep - 04 Oct	Iberia
22 Sep - 09 Oct	Iberia

Also check the deals for one-way flights from Lisbon to Sao Paulo in September.

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 Lisbon to Sao Paulo in September from $629

Return flights