Cheap Flights from Cardiff to Dublin

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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.$59 per passenger.Departing Sun, 8 Feb, returning Mon, 9 Feb.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Sun, 8 Feb, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Mon, 9 Feb, arriving in Cardiff.Price includes taxes and charges.From $59, select.

Dublin.$63 per passenger.Departing Wed, 11 Feb, returning Mon, 2 Mar.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Wed, 11 Feb, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Mon, 2 Mar, arriving in Cardiff.Price includes taxes and charges.From $63, select.

Dublin.$67 per passenger.Departing Tue, 5 May, returning Sat, 9 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 5 May, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 9 May, arriving in Cardiff.Price includes taxes and charges.From $67, select.

Dublin.$67 per passenger.Departing Sat, 14 Mar, returning Fri, 3 Apr.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Sat, 14 Mar, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Fri, 3 Apr, arriving in Cardiff.Price includes taxes and charges.From $67, select.

Dublin.$67 per passenger.Departing Wed, 1 Apr, returning Fri, 3 Apr.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Wed, 1 Apr, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Fri, 3 Apr, arriving in Cardiff.Price includes taxes and charges.From $67, select.

Dublin.$67 per passenger.Departing Sun, 1 Mar, returning Mon, 2 Mar.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Sun, 1 Mar, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Mon, 2 Mar, arriving in Cardiff.Price includes taxes and charges.From $67, select.

Dublin.$67 per passenger.Departing Mon, 20 Apr, returning Sat, 9 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Mon, 20 Apr, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 9 May, arriving in Cardiff.Price includes taxes and charges.From $67, select.

Dublin.$75 per passenger.Departing Sun, 31 May, returning Wed, 10 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Sun, 31 May, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Wed, 10 Jun, arriving in Cardiff.Price includes taxes and charges.From $75, 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 February.

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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.

Dublin

10km from central Dublin

ClosestCheapest

from $59

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Cardiff to Dublin: Flight information

The things to know before you go.

Cheapest flight found	$59
Cheapest month to fly	February
Average flight time	1 hr, 6 mins
Most popular airline	Ryanair
Average flights per week	8

Finding cheap flights from Cardiff to Dublin: Frequently asked questions

How much are return flights from Cardiff to Dublin?

The best price we found for a return flight from Cardiff to Dublin is $59. 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.

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

1 hour and 6 minutes is the average flight time from Cardiff to Dublin.

Which airlines fly direct from Cardiff to Dublin?

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

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

As of February 2026, there are 8 flights per week flying from Cardiff to Dublin.

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

The cheapest month to fly from Cardiff to Dublin is usually February.

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 Sunday, 8 February 2026.

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

Yes – the average flight time is 1 hour and 6 minutes.

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.

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.

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

Currently, Ryanair offers the cheapest flight tickets to Dublin.

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

The average length of a direct flight from Cardiff Airport to Dublin Airport is 1 hour.
Dublin's timezone is UTC+0, which is the same as Cardiff.
Each week, there are three Cardiff Airport to Dublin Airport flights. If you prefer to take off early, select the 08:30 Ryanair flight. If you'd rather make the most of your time before flying, the latest flight is at 22:45 with Ryanair.
To ensure you catch your CWL to DUB flight, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.
You can expect longer lines during popular months such as June. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.
Ryanair is your gateway to exploring Dublin (and maybe even some other exciting parts of Ireland!). Browse the direct flights from Cardiff Airport to Dublin Airport offered by this carrier.
Ryanair is the most frequently booked airline on this route.
Ryanair is the most punctual carrier operating CWL to DUB flights.
We make it simple to book a flight with a stopover. To see your options for tickets from Cardiff Airport to Dublin Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Popular stopovers between CWL and DUB include:
- Amsterdam Airport Schiphol
- Malaga Airport
- Faro Airport

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

The lowest price we've seen for a one-way Cardiff Airport to Dublin Airport flight is $29. A round-trip plane ticket right now is $59. Depending on the availability when you book, these fares may change.
To get cheap tickets from CWL to DUB, book your trip five months before your departure date.
The cheapest month for flights from Cardiff Airport to Dublin Airport is April. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.
You won't have to check back in every day to find out if fares have dropped when you create a Price Alert. We'll update you as soon as there's a new deal on cheap flights from CWL to DUB.
Pick your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Cardiff Airport to Dublin Airport.

Handy information about Cardiff Airport (CWL)

Of all flights departing from Cardiff Airport, 66.16% touch down on time at their destination.
Cardiff Airport is about 27 kilometres from central Cardiff. If you're catching a cab, ride-sharing or driving from the centre, it'll take 30 minutes or so to arrive, depending on the traffic.
The trip on public transport will take about 1 hour 5 minutes.
Booked an early flight from Cardiff Airport to Dublin Airport? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these hotels near CWL:

Arriving at Dublin Airport (DUB)

Reserve a hotel near DUB if you're catching a late Cardiff Airport to Dublin Airport flight. Choose one of these accommodation options and skip the long transfer after landing:
Follow your own route with a Dublin Airport rental car. Book your wheels from Easirent, Budget or Carhire and find adventure across Dublin and beyond.
Lock in the lowest price by reserving your ride from Dublin Airport around two weeks before your trip.

Getting from Dublin Airport (DUB) to central Dublin

Dublin Airport to the centre of Dublin has a drive time of around 30 minutes. It's approximately 21 kilometres away.
If you're using public transport, expect a journey time of roughly 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

The quietest month for a flight from Cardiff Airport to Dublin Airport is January, while August is the most popular. Choose the best time to go to Dublin based on whether you prefer a faster pace or a more relaxed vibe.
The warmest month in Dublin is July, with temperatures ranging between 10ºC and 20ºC. Lock in your flights from Cardiff Airport to Dublin Airport in this month if this is the kind of weather you like.
If you want to travel in cooler conditions, search for a cheap ticket from CWL to DUB in January. Average temperatures are between 1ºC and 9ºC then.

Explore more of Ireland

Dublin is easy to fall in love with, but there are so many other corners of Ireland just waiting to be discovered. Around 225 kilometres south-west of Dublin, a visit to Cork will keep you on the go. Start with attractions like Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.
If you're looking to explore another major destination in Ireland, consider Tallaght, roughly 10 kilometres south-west of Dublin. Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet are key reasons to visit.