Cheapest return flights from Cagliari to Keflavik in December from 268€

AirHint found the following cheapest return flights from Cagliari (CAG) to Keflavik (KEF) in December 2025 (see full year).

Return flights

21 Dec - 31 Dec easyJet
23 Dec - 29 Dec Ryanair
23 Dec - 27 Dec Ryanair
15 Dec - 21 Dec Ryanair
28 Dec - 04 Jan Ryanair

Also check the deals for one-way flights from Cagliari to Keflavik in December.

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.