Cheapest return flights from Brussels to Lisbon in September from 99€

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

06 Sep - 19 Sep Brussels Airlines direct
09 Sep - 16 Sep Brussels Airlines direct
04 Sep - 09 Sep Brussels Airlines direct
14 Sep - 17 Sep TAP direct
04 Sep - 08 Sep Brussels Airlines direct
05 Sep - 09 Sep Brussels Airlines direct
06 Sep - 20 Sep Brussels Airlines direct
08 Sep - 12 Sep Brussels Airlines direct
25 Sep - 29 Sep Brussels Airlines direct
26 Sep - 04 Oct Brussels Airlines direct
01 Sep - 07 Sep Brussels Airlines direct

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

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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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