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

Return flights

22 Sep - 03 Oct	TAP	direct
25 Sep - 15 Oct	TAP	direct
28 Sep - 08 Oct	TAP	direct
24 Sep - 23 Oct	TAP	direct
28 Sep - 10 Oct	TAP	direct
26 Sep - 17 Oct	TAP	direct
26 Sep - 03 Oct	TAP	direct
26 Sep - 01 Oct	TAP	direct
21 Sep - 02 Oct	TAP	direct
24 Sep - 10 Oct	TAP	direct
15 Sep - 25 Sep	TAP	direct
17 Sep - 23 Sep	Azul Airlines
17 Sep - 22 Sep	Azul Airlines
09 Sep - 21 Sep	TAP	direct
22 Sep - 30 Sep	TAP	direct
23 Sep - 30 Sep	TAP	direct
09 Sep - 24 Sep	TAP	direct
23 Sep - 27 Sep	Azul Airlines
12 Sep - 18 Sep	TAP	direct
15 Sep - 22 Sep	TAP	direct

Also check the deals for one-way flights from Brasilia 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 Brasilia to Lisbon in September from $717

Return flights