Cheapest return flights from Cardiff to Dublin in December from 31€

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

Return flights

08 Dec - 13 Dec Ryanair direct
13 Dec - 18 Dec Ryanair direct
08 Dec - 18 Dec Ryanair direct
06 Dec - 13 Dec Ryanair direct
04 Dec - 13 Dec Ryanair direct
01 Dec - 13 Dec Ryanair direct
03 Dec - 13 Dec Ryanair direct
13 Dec - 15 Dec Ryanair direct
13 Dec - 17 Dec Ryanair direct
13 Dec - 24 Dec Ryanair direct
13 Dec - 01 Jan Ryanair direct
18 Dec - 01 Jan Ryanair direct
18 Dec - 05 Jan Ryanair direct
24 Dec - 01 Jan Ryanair direct
24 Dec - 05 Jan Ryanair direct
15 Dec - 01 Jan Ryanair direct
15 Dec - 05 Jan Ryanair direct
23 Dec - 01 Jan Ryanair direct
23 Dec - 05 Jan Ryanair direct
22 Dec - 01 Jan Ryanair direct

Also check the deals for one-way flights from Cardiff to Dublin 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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