Cheapest return flights from Cardiff to Dublin in August from $54

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 August 2025 (see full year).

Return flights

09 Aug - 21 Aug Ryanair direct
16 Aug - 21 Aug Ryanair direct
30 Aug - 20 Sep Ryanair direct
30 Aug - 04 Sep Ryanair direct
09 Aug - 14 Aug Ryanair direct
09 Aug - 16 Aug Ryanair direct
09 Aug - 30 Aug Ryanair direct
09 Aug - 23 Aug Ryanair direct
16 Aug - 30 Aug Ryanair direct
16 Aug - 23 Aug Ryanair direct
16 Aug - 04 Sep Ryanair direct
07 Aug - 21 Aug Ryanair direct
28 Aug - 30 Aug Ryanair direct
28 Aug - 04 Sep Ryanair direct
31 Aug - 20 Sep Ryanair direct
31 Aug - 04 Sep Ryanair direct
23 Aug - 04 Sep Ryanair direct
30 Aug - 16 Sep Ryanair direct
30 Aug - 02 Sep Ryanair direct
30 Aug - 07 Sep Ryanair direct

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

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin