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 to Cardiff? 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 found34 €
Cheapest month to flyJuly
Average flight time1 hr, 6 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 34 €. 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 6 minutes is the average flight time from Dublin to Cardiff.
Aer Lingus, Emerald Airlines and Ryanair fly direct from Dublin to Cardiff.
As of July 2025, 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 Monday, 7 July 2025.
Yes – the average flight time is 1 hour and 6 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 length of a direct flight from Dublin Airport to Cardiff Airport is 1 hour.

  • Cardiff's timezone is UTC+0, which is the same as Dublin.

  • Flights from DUB to CWL start at 07:05 — the first with Ryanair. The last service of the day is at 21:20 with Ryanair. Overall, you can take your pick of three weekly Dublin Airport to Cardiff Airport flights.

  • To ensure you catch your DUB to CWL flight, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • Be prepared for longer queues during popular months such as August. Arriving up to four hours ahead of international flights and two hours for domestic departures is a smart move.

  • Getting to Cardiff (and then discovering more of United Kingdom!) is a snap with Ryanair. This popular airline has direct flights from Dublin Airport to Cardiff Airport.

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

  • Ryanair is the most punctual carrier that offers DUB to CWL flights, with 77.14% of its services reaching their destination on time.

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

    • Amsterdam Airport Schiphol

    • Edinburgh Airport

    • Alicante-Elche Airport

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

  • Right now, 17 € is the lowest price we've seen for a one-way Dublin Airport to Cardiff Airport flight. The best price for a return plane ticket is 34 €. Bear in mind that fares can change due to demand when booking.

  • To pick up cheap tickets from DUB to CWL, book your trip five months before your departure date.

  • The cheapest month for flights from Dublin Airport to Cardiff Airport is April. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Spend less time searching for cheap flights from DUB to CWL by setting up a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

  • Tailor your trip with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Dublin Airport to Cardiff Airport.

Handy information about Dublin Airport (DUB)

  • Of all flights leaving Dublin Airport, 72.87% land on time at their destination.

  • To get to Dublin Airport from central Dublin, it'll take about 30 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 21 kilometres from the airport to the city centre.

  • Catching public transport? Expect a trip time of around 2 hours 10 minutes.

  • Get your trip off to a leisurely start by staying near DUB. Whether you're taking an early flight from Dublin Airport to Cardiff Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Cardiff Airport (CWL)

  • If you're arriving on a late Dublin Airport to Cardiff Airport flight, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be resting soon after at one of these hotels near CWL:

  • Pick up a Cardiff Airport rental car and explore Cardiff and beyond with your own wheels. Europcar, Keddy By Europcar and Enterprise are well-known companies you can book with here.

  • To secure the lowest price, book your ride from Cardiff Airport around four weeks before your trip.

Getting from Cardiff Airport (CWL) to central Cardiff

  • From Cardiff Airport, Cardiff is approximately 27 kilometres away. It takes around 30 minutes to reach the centre by car.

  • Getting to the centre on public transport will take you roughly 1 hour 5 minutes.

When to fly to Cardiff Airport (CWL)

  • It's time to choose your travel dates for your flight from Dublin Airport to Cardiff Airport. June is the most popular month to head to Cardiff. If you'd like a more laid-back vibe, go in April.

  • Lock in your flight from Dublin Airport to Cardiff Airport for July if you'd like to visit Cardiff during its warmest month. Expect temperatures of between 11ºC (52ºF) and 22ºC (72ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from DUB to CWL in January. Temperatures average between 0ºC (32ºF) and 9ºC (48ºF) then.

Explore more of United Kingdom

  • London is just one of the many places in United Kingdom waiting to be explored after you've experienced Cardiff. Around 209 kilometres away to the east, its top attractions include Big Ben, The British Museum and Buckingham Palace.

  • Around 145 kilometres north-east of Cardiff, Birmingham is another favourite stop in United Kingdom. Experience this destination's highlights firsthand at Cadbury World, The Library of Birmingham and National Sea Life Centre.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.