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

Return flights

30 Sep - 07 Oct	GOL Linhas Aéreas
29 Sep - 09 Oct	Azul Airlines
11 Sep - 18 Sep	LATAM Airlines Group
26 Sep - 23 Oct	LATAM Airlines Group
23 Sep - 30 Sep	LATAM Airlines Group
24 Sep - 09 Oct	Azul Airlines
24 Sep - 30 Sep	LATAM Airlines Group
17 Sep - 23 Sep	GOL Linhas Aéreas
11 Sep - 05 Oct	LATAM Airlines Group
23 Sep - 28 Sep	GOL Linhas Aéreas
28 Sep - 05 Oct	Azul Airlines
11 Sep - 24 Sep	LATAM Airlines Group
06 Sep - 19 Sep	LATAM Airlines Group
14 Sep - 19 Sep	Azul Airlines
18 Sep - 28 Sep	Azul Airlines
15 Sep - 22 Sep	GOL Linhas Aéreas
15 Sep - 06 Oct	LATAM Airlines Group
16 Sep - 15 Oct	Azul Airlines
01 Sep - 04 Oct	LATAM Airlines Group
30 Sep - 11 Oct	TAP

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 789€

Return flights