Cheapest return flights from Dublin to Cardiff in December from $85

Best time to book flights for Dublin (DUB) to Cardiff (CWL) flights at AirHint

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

Return flights

22 Dec - 05 Jan Ryanair direct
22 Dec - 11 Jan Ryanair direct
07 Dec - 12 Dec Ryanair direct
13 Dec - 22 Dec Ryanair direct
14 Dec - 22 Dec Ryanair direct
07 Dec - 10 Dec Ryanair direct
07 Dec - 22 Dec Ryanair direct
13 Dec - 19 Dec Ryanair direct
13 Dec - 20 Dec Ryanair direct
14 Dec - 19 Dec Ryanair direct
14 Dec - 20 Dec Ryanair direct
07 Dec - 19 Dec Ryanair direct
31 Dec - 05 Jan Ryanair direct
31 Dec - 19 Jan Ryanair direct
27 Dec - 05 Jan Ryanair direct
31 Dec - 11 Jan Ryanair direct
27 Dec - 11 Jan Ryanair direct

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