£29 Cheap Flights from Cardiff (CWL) to Dublin (DUB)

Q: How much are return flights from Cardiff to Dublin?

The best price we found for a return flight from Cardiff to Dublin is £29. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Q: How long does it take to fly from Cardiff to Dublin?

1 hour and 8 minutes is the average flight time from Cardiff to Dublin.

Q: Which airlines fly direct from Cardiff to Dublin?

Ryanair, Aer Lingus and Emerald Airlines fly direct from Cardiff to Dublin.

Q: How many flights are there a week from Cardiff to Dublin?

As of May 2025, there are 33 flights per week flying from Cardiff to Dublin.

Q: When is the cheapest time to fly from Cardiff to Dublin?

The cheapest month to fly from Cardiff to Dublin is usually May 2025.

Q: Which upcoming date is cheapest to fly from Cardiff Airport to Dublin Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Dublin Airport on Thursday, 7 August 2025 .

Q: Can I get a direct flight from Cardiff Airport to Dublin Airport?

Yes – the average flight time is 1 hour and 8 minutes.

Q: How can I find the best flight deal to Dublin?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Q: When is the best time to book flights to Dublin?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.

Q: Which is the cheapest airline to fly from Cardiff Airport to Dublin with?

Currently, Ryanair offers the cheapest flight tickets to Dublin.

Compare Cardiff to Dublin flight deals

Find the cheapest month or even day of the year to fly to Dublin

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Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Cardiff to Dublin

Looking for a cheap last-minute deal or the best return flight from Cardiff to Dublin? Find the lowest prices on one-way and return tickets right here.

Dublin.£29 per passenger.Departing Thu, 5 Jun, returning Sat, 7 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Thu, 5 Jun, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 7 Jun, arriving in Cardiff.Price includes taxes and charges.From £29, select.

Dublin.£29 per passenger.Departing Thu, 7 Aug, returning Sun, 17 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Thu, 7 Aug, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sun, 17 Aug, arriving in Cardiff.Price includes taxes and charges.From £29, select.

Dublin.£29 per passenger.Departing Sun, 22 Jun, returning Tue, 8 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Sun, 22 Jun, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Tue, 8 Jul, arriving in Cardiff.Price includes taxes and charges.From £29, select.

Dublin.£29 per passenger.Departing Thu, 29 May, returning Sat, 7 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Thu, 29 May, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 7 Jun, arriving in Cardiff.Price includes taxes and charges.From £29, select.

Dublin.£31 per passenger.Departing Tue, 29 Jul, returning Sun, 17 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 29 Jul, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sun, 17 Aug, arriving in Cardiff.Price includes taxes and charges.From £31, select.

Dublin.£31 per passenger.Departing Mon, 14 Jul, returning Sun, 20 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Mon, 14 Jul, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sun, 20 Jul, arriving in Cardiff.Price includes taxes and charges.From £31, select.

Dublin.£32 per passenger.Departing Tue, 19 Aug, returning Sat, 6 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 19 Aug, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 6 Sep, arriving in Cardiff.Price includes taxes and charges.From £32, select.

Dublin.£33 per passenger.Departing Fri, 23 May, returning Sun, 25 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Fri, 23 May, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sun, 25 May, arriving in Cardiff.Price includes taxes and charges.From £33, select.

Find the cheapest month to fly from Cardiff to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to Dublin flights are currently cheapest in June.

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Direct flights from Cardiff to Dublin

Cardiff to Dublin: Alternative routes

Compare routes from Cardiff to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Cardiff to Dublin: Flight information

The things to know before you go.

Cheapest flight found	£29
Cheapest month to fly	August
Average flight time	1 hr, 8 mins
Most popular airline	Ryanair
Average flights per week	33

Finding cheap flights from Cardiff to Dublin: Frequently asked questions

How much are return flights from Cardiff to Dublin?

How long does it take to fly from Cardiff to Dublin?

Which airlines fly direct from Cardiff to Dublin?

How many flights are there a week from Cardiff to Dublin?

When is the cheapest time to fly from Cardiff to Dublin?

Which upcoming date is cheapest to fly from Cardiff Airport to Dublin Airport on?

Can I get a direct flight from Cardiff Airport to Dublin Airport?

How can I find the best flight deal to Dublin?

When is the best time to book flights to Dublin?

Which is the cheapest airline to fly from Cardiff Airport to Dublin with?

Airlines that fly from Cardiff to Dublin

Flybe and Aer Lingus both offer direct flights from Cardiff to Dublin.

Terminal Information

Cardiff Airport

With just one small terminal, Cardiff Airport is easy to navigate. It is recommended that passengers arrive at least two hours before their scheduled flight departure time.

In the departure lounge there is a range of facilities for passengers before their flights including free Wi-Fi for 30 minutes, Forexchange currency exchange and a children’s play area. There are only two shops in the departures lounge, WHSmith and Nuance Tax and Duty Free. Here passengers will find a great selection of duty free drinks, clothing, fragrances and accessories. The shop also offers a collect service which allows passengers to purchase items before they fly and pick them up on their return journey.

Food and drink options include Echo Bar, which enjoys views of the runway, Caffi Cwtch, which promises a warm Welsh welcome, and Caffè Ritazza for coffee and snacks on the go.

Dublin Airport

Dublin Airport is located 10km north of the city centre of Dublin. Passengers arriving on Flybe flights to Terminal 1 at Dublin Airport will find a Bank of Ireland where they can exchange and withdraw currency and car rental facilities. Hertz, Budget, Avis, Europcar and Dooley all have car hire offices in the terminal building and can be booked upon arrival. Thrifty, Enterprise and Sixt also have offices here but they need to be booked in advance.

Passengers arriving on Aer Lingus flights to Terminal 2 at Dublin Airport will find a bar, a Spar convenience shop, a WHSmith and food court eateries. Car hire offices, buses and taxis can all be found downstairs on the ground floor. The closest car hire offices for Terminal 2 arrivals, including Hertz, Avis, Budget and Europcar, are located in the multi-storey Terminal 2 car park.

There are a number of ways you can travel from Dublin Airport into the city. Taxis are available outside both terminals. Airport shuttle buses and coaches also run from outside Terminals 1 and 2. There are a number of shuttle options to choose from, depending on where you want to go to in the city centre.

Practical Information

Ireland and the UK are part of the Common Travel Area. This means British nationals travelling from the UK to Dublin do not need to show their passport upon arrival. However, in lieu of a passport, you will need some other form of photographic ID. It’s wise to check with your airline to confirm which forms of identification they accept.

What to Expect in Dublin

You may find that Dublin is a few degrees colder than Cardiff although rainfall in the two cities is largely very similar.

Prices in the two cities balance out. While you may pay more for public transport in Dublin, you’ll pay a lot less for the average taxi ride. Eating out, you’ll probably find that you spend a little more in Dublin than you would in Cardiff with food and drink costing significantly more.