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

Return flights

23 Sep - 26 Sep	Ryanair
24 Sep - 26 Sep	Ryanair
23 Sep - 24 Sep	Ryanair
17 Sep - 24 Sep	Wizz Air Malta
22 Sep - 23 Sep	Wizz Air Malta
24 Sep - 24 Sep	Wizz Air Malta
16 Sep - 18 Sep	Wizz Air Malta
17 Sep - 18 Sep	Wizz Air Malta
20 Sep - 27 Sep	Ryanair
11 Sep - 18 Sep	Ryanair

Also check the deals for one-way flights from Perugia 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 Perugia to Lisbon in September from $227

Return flights