AirHint found the following cheapest return flights from Rio De Janeiro (SDU) to Lisbon (LIS) in September 2025 (see full year).

Return flights

21 Sep - 03 Oct	LATAM Airlines Group
24 Sep - 07 Oct	Azul Airlines
21 Sep - 07 Oct	LATAM Airlines Group
30 Sep - 19 Oct	LATAM Airlines Group
23 Sep - 14 Oct	LATAM Airlines Group
19 Sep - 03 Oct	GOL Linhas Aéreas
25 Sep - 06 Oct	LATAM Airlines Group
27 Sep - 30 Oct	LATAM Airlines Group
27 Sep - 07 Oct	LATAM Airlines Group
19 Sep - 26 Sep	GOL Linhas Aéreas
30 Sep - 15 Oct	LATAM Airlines Group
25 Sep - 30 Sep	Azul Airlines
25 Sep - 28 Sep	Azul Airlines
16 Sep - 22 Sep	LATAM Airlines Group
21 Sep - 30 Sep	LATAM Airlines Group
20 Sep - 27 Sep	GOL Linhas Aéreas
20 Sep - 30 Sep	LATAM Airlines Group
16 Sep - 19 Sep	Azul Airlines
10 Sep - 20 Sep	Azul Airlines
16 Sep - 25 Sep	Azul Airlines

Also check the deals for one-way flights from Rio De Janeiro 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 Rio De Janeiro to Lisbon in September from 991€

Return flights