AirHint found the following cheapest return flights from Sao Paulo (CGH) to Madrid (MAD) in September 2025 (see full year).

Return flights

29 Sep - 13 Oct	Air Europa
29 Sep - 06 Oct	Air Europa
29 Sep - 29 Oct	Air Europa
29 Sep - 12 Oct	Air Europa
29 Sep - 05 Oct	Air Europa
29 Sep - 08 Oct	Air Europa
22 Sep - 22 Oct	Air Europa
22 Sep - 06 Oct	Air Europa
27 Sep - 15 Oct	Air Europa
23 Sep - 08 Oct	Air Europa
17 Sep - 24 Sep	Azul Airlines
22 Sep - 29 Sep	Air Europa
22 Sep - 30 Sep	Air Europa
19 Sep - 26 Sep	Air Europa
20 Sep - 26 Sep	Air Europa
22 Sep - 26 Sep	Air Europa
17 Sep - 22 Sep	GOL Linhas Aéreas
19 Sep - 22 Sep	Air Europa
22 Sep - 24 Sep	Air Europa
09 Sep - 12 Sep	GOL Linhas Aéreas

Also check the deals for one-way flights from Sao Paulo to Madrid 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 Sao Paulo to Madrid in September from 770€

Return flights