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

Return flights

28 Sep - 19 Oct	GOL Linhas Aéreas
28 Sep - 30 Oct	Azul Airlines
02 Sep - 16 Sep	Azul Airlines
17 Sep - 24 Sep	Azul Airlines
02 Sep - 09 Sep	Azul Airlines
02 Sep - 10 Sep	Azul Airlines
03 Sep - 11 Sep	Azul Airlines
28 Sep - 17 Oct	Copa
17 Sep - 22 Sep	Azul Airlines
16 Sep - 23 Sep	Azul Airlines
03 Sep - 10 Sep	Azul Airlines
10 Sep - 17 Sep	LATAM Airlines Group
14 Sep - 24 Sep	Azul Airlines
26 Sep - 10 Oct	GOL Linhas Aéreas
27 Sep - 18 Oct	Copa
17 Sep - 14 Oct	Azul Airlines
22 Sep - 01 Oct	Copa
22 Sep - 11 Oct	Copa
30 Sep - 07 Oct	Azul Airlines
15 Sep - 20 Oct	Copa

Also check the deals for one-way flights from Belo Horizonte 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 Belo Horizonte to Lisbon in September from 797€

Return flights