AirHint found the following cheapest return flights from Curitiba (CWB) to Lisbon (LIS) in September 2025 (see full year).

Return flights

29 Sep - 13 Oct	Azul Airlines
16 Sep - 22 Sep	Azul Airlines
25 Sep - 03 Oct	Azul Airlines
18 Sep - 26 Sep	Azul Airlines
17 Sep - 22 Sep	Azul Airlines
28 Sep - 14 Oct	GOL Linhas Aéreas
25 Sep - 25 Oct	Azul Airlines
18 Sep - 25 Sep	Azul Airlines
25 Sep - 05 Oct	GOL Linhas Aéreas
11 Sep - 22 Sep	GOL Linhas Aéreas
16 Sep - 25 Sep	Azul Airlines
15 Sep - 26 Sep	LATAM Airlines Group
20 Sep - 27 Sep	LATAM Airlines Group
20 Sep - 30 Sep	Azul Airlines
15 Sep - 30 Sep	Azul Airlines
02 Sep - 07 Oct	Azul Airlines
08 Sep - 10 Oct	Azul Airlines
07 Sep - 11 Oct	Emirates

Also check the deals for one-way flights from Curitiba to Lisbon 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 Curitiba to Lisbon in September from $873

Return flights