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

Return flights

11 Sep - 25 Sep	Royal Air Maroc
09 Sep - 27 Sep	Royal Air Maroc
10 Sep - 27 Sep	Royal Air Maroc
10 Sep - 13 Sep	Royal Air Maroc
28 Sep - 05 Oct	Iberia	direct
11 Sep - 26 Sep	Iberia	direct
09 Sep - 27 Sep	Iberia	direct
10 Sep - 27 Sep	Iberia	direct
01 Sep - 20 Sep	Iberia	direct
18 Sep - 03 Oct	Iberia	direct
17 Sep - 29 Oct	Iberia	direct
01 Sep - 13 Sep	Iberia	direct
18 Sep - 28 Sep	Iberia
28 Sep - 15 Oct	Iberia	direct

Also check the deals for one-way flights from Madrid 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.

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Cheapest return flights from Madrid to Sao Paulo in September from 561€

Return flights