AirHint found the following cheapest return flights from Cagliari (CAG) to Keflavik (KEF) in December 2025 (see full year).
Return flights
| 01 Dec - 05 Dec | Ryanair | ||
| 05 Dec - 12 Dec | Ryanair | ||
| 22 Dec - 27 Dec | Ryanair | ||
| 27 Dec - 06 Jan | Ryanair | ||
| 30 Dec - 01 Jan | Ryanair | ||
| 30 Dec - 06 Jan | Ryanair |
Also check the deals for one-way flights from Cagliari to Keflavik in December.
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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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