30 € Cheap Flights from Dublin to Cardiff

Compare Dublin to Cardiff flight deals

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

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Flight deals from Dublin to Cardiff

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Cardiff Airport? If you want to travel next month, return fares start from 30 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dublin to Cardiff

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

Direct flights from Dublin to Cardiff

Dublin to Cardiff: Alternative routes

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

Dublin to Cardiff: Flight information

The things to know before you go.
Cheapest flight found30 €
Cheapest month to flyJuly
Average flight time1 hr, 4 mins
Most popular airlineAer Lingus
Average flights per week7

Finding cheap flights from Dublin to Cardiff: Frequently asked questions

The best price we found for a return flight from Dublin to Cardiff is 30 €. 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.
1 hour and 4 minutes is the average flight time from Dublin to Cardiff.
Aer Lingus, Emerald Airlines and Ryanair fly direct from Dublin to Cardiff.
As of June 2026, there are 7 flights per week flying from Dublin to Cardiff.
The cheapest month to fly from Dublin to Cardiff is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Cardiff Airport on Wednesday, 1 July 2026.
Yes – the average flight time is 1 hour and 4 minutes.
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 Cardiff 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cardiff is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Cardiff.

Travelling from Dublin Airport (DUB) to Cardiff Airport (CWL): what you need to know

  • The average duration of a direct flight from Dublin Airport to Cardiff Airport is 1 hour.

  • Dublin and Cardiff are in the same timezone, UTC+0.

  • Every week, there are four Dublin Airport to Cardiff Airport flights. To take off early, jump on the 05:45 Ryanair flight. If you're eager to make the most of your time before flying, the last flight is at 21:50 with Ryanair.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to board your DUB to CWL flight.

  • Be prepared for bigger queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • Travelling to Cardiff (and then discovering more of the United Kingdom!) is a cinch with Ryanair. This popular carrier offers direct flights from Dublin Airport to Cardiff Airport.

  • The airline most travellers prefer to fly with on this route is Ryanair.

  • With 71.93% of its services arriving as planned, Ryanair is the most punctual carrier offering DUB to CWL flights.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Dublin Airport to Cardiff Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to visit the city of your choice. Worthwhile stopovers between DUB and CWL include:

    • Amsterdam Schiphol Airport

    • Alicante Airport

    • Edinburgh Airport

How to find the cheapest flights from Dublin Airport (DUB) to Cardiff Airport (CWL)

  • 15 € is the lowest price for a one-way Dublin Airport to Cardiff Airport flight. Return flights start at 30 €. These fares can change depending on demand.

  • To secure cheap tickets from DUB to CWL, book your trip 11 months ahead of your planned departure.

  • April is the cheapest month for flights from Dublin Airport to Cardiff Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • There's no need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from DUB to CWL.

  • Secure the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Dublin Airport to Cardiff Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Dublin Airport (DUB)

  • Of the departures from Dublin Airport, 77% arrive on time at their destination.

  • Dublin Airport is around 11 kilometres from central Dublin. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • Catching public transport? Expect a journey time of around 30 minutes.

  • Looking for a convenient hotel close to DUB? If you're boarding an early flight from Dublin Airport to Cardiff Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Cardiff Airport (CWL)

  • The last thing you need is a long journey to your hotel if you're getting in late on a Dublin Airport to Cardiff Airport flight. Reserve one of these accommodation options near CWL instead:

  • Begin your adventure by picking up a Cardiff Airport rental car. Grab your wheels from Europcar, Keddy By Europcar or Enterprise to explore Cardiff and beyond.

  • To lock in the lowest price, book your vehicle from Cardiff Airport about four weeks before you set off.

Getting from Cardiff Airport (CWL) to central Cardiff

  • Cardiff Airport is roughly 19 kilometres from the centre of Cardiff. The drive time takes about 25 minutes.

  • Travelling to the centre by public transport takes roughly 40 minutes.

When to fly to Cardiff Airport (CWL)

  • It's time to plan your dates for your flight from Dublin Airport to Cardiff Airport. June is the busiest month to head to Cardiff. If you prefer a more relaxed vibe, go in November.

  • When reserving your flight from Dublin Airport to Cardiff Airport, consider the type of weather you like. July is the warmest month in Cardiff, with the temperature ranging from 11ºC (52ºF) to 22ºC (72ºF).

  • Look for cheap tickets from DUB to CWL in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of the United Kingdom

  • London is just one of the many places in the United Kingdom waiting to be explored after you've seen Cardiff. Around 209 kilometres away to the east, well-known attractions include The British Museum, Westminster Abbey and Big Ben.

  • Manchester is another well-known destination in the United Kingdom and is around 225 kilometres north of Cardiff. No journey is complete without dropping by Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.