AirHint found the following cheapest return flights from Olbia (OLB) to Cologne (CGN) in December 2025 (see full year).
Return flights
| 23 Dec - 28 Dec | Volotea | ||
| 03 Dec - 05 Dec | Aeroitalia | ||
| 02 Dec - 05 Dec | Volotea | ||
| 05 Dec - 08 Dec | easyJet |
Also check the deals for one-way flights from Olbia to Cologne in December.
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