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

Return flights

21 Dec - 29 Dec	Ryanair
24 Dec - 01 Jan	Aeroitalia
31 Dec - 01 Jan	Ryanair
26 Dec - 30 Dec	Ryanair
22 Dec - 27 Dec	Ryanair
23 Dec - 28 Dec	Ryanair
29 Dec - 02 Jan	Ryanair
18 Dec - 21 Dec	Ryanair
24 Dec - 28 Dec	Ryanair
29 Dec - 03 Jan	Ryanair
29 Dec - 04 Jan	Ryanair
31 Dec - 03 Jan	Aeroitalia
30 Dec - 02 Jan	Ryanair
10 Dec - 16 Dec	Ryanair

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

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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Cheapest return flights from Cagliari to Dublin in December from 145€

Return flights