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

Return flights

30 Sep - 10 Oct	Ryanair
30 Sep - 08 Oct	Ryanair
30 Sep - 02 Oct	Ryanair
30 Sep - 01 Oct	Ryanair
30 Sep - 03 Oct	Ryanair
30 Sep - 07 Oct	Ryanair
26 Sep - 02 Oct	Ryanair
29 Sep - 09 Oct	Ryanair
30 Sep - 04 Oct	Ryanair
30 Sep - 05 Oct	Ryanair
19 Sep - 25 Sep	Ryanair
12 Sep - 24 Sep	Vueling Airlines
19 Sep - 24 Sep	Ryanair
23 Sep - 24 Sep	Ryanair
23 Sep - 25 Sep	Ryanair
19 Sep - 26 Sep	Ryanair	direct
21 Sep - 25 Sep	Ryanair
12 Sep - 18 Sep	Vueling Airlines
17 Sep - 25 Sep	Ryanair
20 Sep - 24 Sep	Ryanair

Also check the deals for one-way flights from Bologna 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 Bologna to Lisbon in September from $142

Return flights