Cheapest return flights from Brussels to Lisbon in September from $89

Best time to book flights for Brussels (BRU) to Lisbon (LIS) flights at AirHint

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

Return flights

29 Sep - 03 Oct Brussels Airlines direct
22 Sep - 02 Oct Brussels Airlines direct
13 Sep - 19 Sep Brussels Airlines direct
30 Sep - 10 Oct Ryanair direct
30 Sep - 02 Oct Ryanair direct
14 Sep - 20 Sep Brussels Airlines direct
16 Sep - 20 Sep Brussels Airlines direct
11 Sep - 19 Sep TAP direct
29 Sep - 10 Oct Ryanair direct
29 Sep - 02 Oct Ryanair direct
06 Sep - 27 Sep Brussels Airlines direct
22 Sep - 26 Sep Ryanair direct
30 Sep - 03 Oct Ryanair direct
22 Sep - 10 Oct Ryanair direct
06 Sep - 13 Sep Brussels Airlines direct
10 Sep - 26 Sep Ryanair direct
11 Sep - 26 Sep Ryanair direct
06 Sep - 14 Sep Brussels Airlines direct
11 Sep - 02 Oct Ryanair direct
30 Sep - 04 Oct Ryanair direct

Also check the deals for one-way flights from Brussels to Lisbon in September.

Skyscanner

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