AirHint found the following cheapest one-way flights from Cagliari (CAG) to Istanbul (IST) in December 2025 (see full year).
One-Way flights
| 31 Dec | Ryanair | ||
| 03 Dec | Aeroitalia | ||
| 23 Dec | Ryanair | ||
| 30 Dec | Ryanair | ||
| 29 Dec | Ryanair | ||
| 28 Dec | Ryanair | ||
| 27 Dec | Ryanair |
Also check the deals for return flights from Cagliari to Istanbul in December.
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