Cheap flights from Cardiff to Dublin from £15

In general, June is the cheapest month to fly from Cardiff to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £40. If you aren’t able to travel to Dublin during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £44.

On average, the least expensive day to fly to Dublin from Cardiff is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £46. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £70. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Flying to Dublin from Cardiff in the evening is the least expensive time of day to depart. momondo users have found prices as low as £56 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £85 on average. Flights to Dublin from Cardiff at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Cardiff Wales to Dublin for the best Cardiff Wales - Dublin flight prices

You are more likely to see cheaper flights to Dublin from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around £57 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Cardiff for as low as £36 on momondo.

There are 2 cabin classes available to choose from on Cardiff to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair is the most popular carrier operating from Cardiff Wales to Dublin

Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to Dublin from Cardiff according to our data. Ryanair is the first choice among our users, with 82% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 4 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.