Cheapest return flights from Cardiff to Dublin in December from $100

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

Return flights

14 Dec - 17 Dec Ryanair direct
14 Dec - 18 Dec Ryanair direct
13 Dec - 18 Dec Ryanair direct
12 Dec - 15 Dec Ryanair direct
13 Dec - 15 Dec Ryanair direct
12 Dec - 18 Dec Ryanair direct
12 Dec - 13 Dec Ryanair direct
06 Dec - 18 Dec Ryanair direct
06 Dec - 11 Dec Ryanair direct
06 Dec - 12 Dec Ryanair direct
14 Dec - 04 Jan Ryanair direct
29 Dec - 04 Jan Ryanair direct
29 Dec - 14 Jan Ryanair direct
29 Dec - 10 Jan Ryanair direct
29 Dec - 11 Jan Ryanair direct
29 Dec - 05 Jan Ryanair direct
29 Dec - 19 Jan Ryanair direct
15 Dec - 04 Jan Ryanair direct
22 Dec - 04 Jan Ryanair direct
29 Dec - 16 Jan Ryanair direct

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

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