Cheap flights from Cardiff to Ireland from £17
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Ireland departing on 29/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Cardiff to Ireland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ireland?
The month of September is, on average, the cheapest month to fly to Ireland from Cardiff, with most prices found around £47. If you’re not able to fly to Ireland in September, then January is your next best option. Flight prices from Cardiff to Ireland during January average around £61.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Saturday when prices can be found for as low as £54. This is often the case because there is less demand to fly during this day of the week. Flights from Cardiff to Ireland on a Wednesday will generally be more expensive and average around £96. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ireland?
In the evening is the cheapest time of day to fly from Cardiff to Ireland when you can find flight prices for as low as £49. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly at midday, with an average ticket price of £80. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Cardiff Wales to Ireland flight route?
Fly from Cardiff Wales to Dublin for the best Cardiff Wales - Ireland flight prices
How far in advance should I book a flight to Ireland?
You are more likely to see cheaper flights to Ireland from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £72 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Cardiff for as low as £46 on momondo.
What cabin class options are available on Cardiff Wales to Ireland flights?
There are 1 cabin classes available to choose from on Cardiff Wales to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Cardiff Wales to Ireland?
Ryanair, KLM, and Aer Lingus are the most popular carriers operating from Cardiff Wales to Ireland
Which airlines fly to Ireland?
Ryanair, Aer Lingus and KLM are the top three most popular airlines that fly to Ireland from Cardiff according to our data. Ryanair is the first choice among our users, with 76% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 4 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.
How many flights depart from Cardiff to Ireland on average per week?
2 flights are operational weekly from Cardiff to Ireland as of June 2025. The most popular departure day for this route is Thu, with 50% of flights per week taking off on this day.
Cheap Cardiff to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cardiff to Ireland
Best price found | £17 |
|---|---|
Fastest flight time | 1h 00m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in Ireland | 1 airport |
When did momondo last update prices for flights from Cardiff Wales Airport to Ireland?
Prices for flights from Cardiff Wales Airport to Ireland were last updated today.
How many operators does momondo search for flights from Cardiff Wales Airport to Ireland?
There are 3 operators available for flights from Cardiff Wales Airport to Ireland as of June 2025.
How old do you have to be to fly from Cardiff Wales Airport to Ireland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Cardiff to Ireland?
momondo data reveals that the most frequently booked plane model on the route from Cardiff to Ireland is Boeing 737-800 Passenger/BBJ2 (winglets), representing 53.11% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 24.91%, ATR 72-201 / 202 at 15.38%, and Airbus A320-100/200 at 4.03%.
Best airlines flying from Cardiff to Ireland
Compare and see reviews for airlines that fly from Cardiff to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £29 | Free Cancellation | Rating 6.8 5,147 reviews | |||
| PriceFrom £47 | Free Cancellation | Rating 7.1 1,133 reviews | |||
| PriceFrom £150 | Free Cancellation | Rating 7.8 1,365 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Cardiff to Ireland?
It is quick and easy to find Cardiff to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.
Can I find flights from Cardiff to Ireland with flexible booking policies on momondo?
Yes. All flights to Ireland from Cardiff on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Cardiff to Ireland?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from Cardiff.
I’m not ready to book a flight from Cardiff to Ireland right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ireland from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.