AirHint found the following cheapest return flights from Porto Alegre (POA) to Madrid (MAD) in September 2025 (see full year).

Return flights

15 Sep - 22 Sep	Azul Airlines
17 Sep - 29 Sep	Azul Airlines
17 Sep - 01 Oct	GOL Linhas Aéreas
24 Sep - 24 Oct	TAP
24 Sep - 14 Oct	Azul Airlines
24 Sep - 01 Oct	Azul Airlines
17 Sep - 07 Oct	Azul Airlines
27 Sep - 12 Oct	Iberia
02 Sep - 23 Sep	Azul Airlines
09 Sep - 15 Sep	LATAM Airlines Group
09 Sep - 23 Sep	LATAM Airlines Group
14 Sep - 20 Sep	TAP
27 Sep - 04 Oct	LATAM Airlines Group
06 Sep - 07 Sep	Azul Airlines
01 Sep - 18 Sep	Azul Airlines
09 Sep - 21 Sep	LATAM Airlines Group
20 Sep - 01 Oct	LATAM Airlines Group
08 Sep - 15 Sep	LATAM Airlines Group
16 Sep - 01 Oct	LATAM Airlines Group
20 Sep - 10 Oct	Azul Airlines

Also check the deals for one-way flights from Porto Alegre 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 Porto Alegre to Madrid in September from 697€

Return flights