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

Return flights

26 Sep - 13 Oct	TAP	direct
30 Sep - 25 Oct	TAP	direct
28 Sep - 14 Oct	LATAM Airlines Group
29 Sep - 15 Oct	LATAM Airlines Group
29 Sep - 15 Oct	TAP	direct
11 Sep - 16 Sep	TAP	direct
11 Sep - 18 Sep	TAP	direct
12 Sep - 16 Sep	TAP	direct
18 Sep - 25 Sep	GOL Linhas Aéreas
01 Sep - 08 Sep	Azul Airlines
09 Sep - 16 Sep	TAP	direct
13 Sep - 23 Sep	TAP	direct
10 Sep - 17 Sep	TAP	direct
18 Sep - 25 Oct	TAP	direct
28 Sep - 05 Oct	LATAM Airlines Group
11 Sep - 23 Sep	TAP	direct
12 Sep - 23 Sep	TAP	direct
29 Sep - 06 Oct	LATAM Airlines Group
23 Sep - 10 Oct	TAP	direct
25 Sep - 06 Oct	LATAM Airlines Group

Also check the deals for one-way flights from Belem 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 Belem to Lisbon in September from 916€

Return flights