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

Return flights

29 Sep - 04 Oct	Azul Airlines
25 Sep - 31 Oct	Azul Airlines
30 Sep - 07 Oct	Azul Airlines
25 Sep - 16 Oct	Azul Airlines
25 Sep - 04 Oct	Azul Airlines
23 Sep - 30 Sep	LATAM Airlines Group
22 Sep - 31 Oct	Azul Airlines
25 Sep - 30 Sep	Azul Airlines
13 Sep - 16 Sep	LATAM Airlines Group
24 Sep - 27 Sep	GOL Linhas Aéreas
11 Sep - 16 Sep	GOL Linhas Aéreas
23 Sep - 24 Sep	Azul Airlines
23 Sep - 07 Oct	Azul Airlines
25 Sep - 29 Sep	Azul Airlines
26 Sep - 11 Oct	Azul Airlines
03 Sep - 12 Sep	LATAM Airlines Group
12 Sep - 22 Sep	LATAM Airlines Group
12 Sep - 23 Sep	LATAM Airlines Group
13 Sep - 30 Oct	LATAM Airlines Group
06 Sep - 06 Oct	LATAM Airlines Group

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Rio De Janeiro to Lisbon in September from $905

Return flights