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

Return flights

08 Sep - 15 Sep	Volotea
23 Sep - 30 Sep	easyJet
17 Sep - 24 Sep	easyJet
25 Sep - 30 Sep	easyJet
04 Sep - 10 Sep	Wizz Air Malta
24 Sep - 28 Sep	easyJet
03 Sep - 08 Sep	Wizz Air Malta
19 Sep - 21 Sep	easyJet
03 Sep - 06 Sep	Vueling Airlines
05 Sep - 06 Sep	Vueling Airlines

Also check the deals for one-way flights from Olbia 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 Olbia to Lisbon in September from 131€

Return flights