Cheapest return flights from Cardiff to Dublin in September from 42€

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

Return flights

16 Sep - 20 Sep Ryanair direct
16 Sep - 27 Sep Ryanair direct
02 Sep - 20 Sep Ryanair direct
02 Sep - 04 Sep Ryanair direct
02 Sep - 11 Sep Ryanair direct
23 Sep - 27 Sep Ryanair direct
09 Sep - 20 Sep Ryanair direct
09 Sep - 27 Sep Ryanair direct
09 Sep - 11 Sep Ryanair direct
23 Sep - 14 Oct Ryanair direct
06 Sep - 20 Sep Ryanair direct
25 Sep - 14 Oct Ryanair direct
29 Sep - 14 Oct Ryanair direct
23 Sep - 11 Oct Ryanair direct
20 Sep - 11 Oct Ryanair direct
25 Sep - 11 Oct Ryanair direct
22 Sep - 11 Oct Ryanair direct
29 Sep - 11 Oct Ryanair direct
25 Sep - 16 Oct Ryanair direct
29 Sep - 16 Oct Ryanair direct

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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