Cheapest return flights from Cardiff to Dublin in September from 59€

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

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

Return flights

09 Sep - 16 Sep Ryanair direct
05 Sep - 08 Sep Ryanair direct
19 Sep - 21 Sep Ryanair direct
05 Sep - 07 Sep Ryanair direct
26 Sep - 29 Sep Ryanair direct
26 Sep - 28 Sep Ryanair direct
21 Sep - 26 Sep Ryanair direct
10 Sep - 17 Sep KLM
03 Sep - 05 Sep Loganair

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

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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