AirHint found the following cheapest return flights from Olbia (OLB) to Lisbon (LIS) in May 2026 (see full year).
Return flights
| 11 May - 18 May | easyJet | ||
| 10 May - 18 May | Volotea | ||
| 10 May - 17 May | Volotea | ||
| 15 May - 17 May | easyJet | ||
| 25 May - 28 May | easyJet | ||
| 11 May - 17 May | Ryanair | ||
| 14 May - 17 May | Volotea |
Also check the deals for one-way flights from Olbia to Lisbon in May.
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