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

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Flight deals from Cardiff to Dublin

Looking for a cheap last-minute deal or the best return flight from Cardiff Airport to Dublin Airport? If you want to travel next month, return fares start from $49. Find the lowest prices on one-way and return tickets right here.

Dublin.$49 per passenger.Departing Tue, 30 Jun, returning Wed, 1 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 30 Jun, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Wed, 1 Jul, arriving in Cardiff.Price includes taxes and charges.From $49, select.

Dublin.$49 per passenger.Departing Thu, 2 Jul, returning Tue, 7 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Thu, 2 Jul, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Tue, 7 Jul, arriving in Cardiff.Price includes taxes and charges.From $49, select.

Dublin.$56 per passenger.Departing Wed, 17 Jun, returning Tue, 30 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Wed, 17 Jun, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Tue, 30 Jun, arriving in Cardiff.Price includes taxes and charges.From $56, select.

Dublin.$56 per passenger.Departing Tue, 28 Jul, returning Mon, 3 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 28 Jul, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Mon, 3 Aug, arriving in Cardiff.Price includes taxes and charges.From $56, select.

Dublin.$58 per passenger.Departing Fri, 7 Aug, returning Tue, 25 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Fri, 7 Aug, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Tue, 25 Aug, arriving in Cardiff.Price includes taxes and charges.From $58, select.

Dublin.$64 per passenger.Departing Mon, 27 Jul, returning Tue, 1 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Mon, 27 Jul, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Tue, 1 Sep, arriving in Cardiff.Price includes taxes and charges.From $64, select.

Dublin.$66 per passenger.Departing Thu, 27 Aug, returning Thu, 3 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Thu, 27 Aug, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Thu, 3 Sep, arriving in Cardiff.Price includes taxes and charges.From $66, select.

Dublin.$69 per passenger.Departing Tue, 8 Sep, returning Wed, 9 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 8 Sep, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Wed, 9 Sep, arriving in Cardiff.Price includes taxes and charges.From $69, select.

Dublin.$69 per passenger.Departing Tue, 6 Oct, returning Wed, 7 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 6 Oct, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Wed, 7 Oct, arriving in Cardiff.Price includes taxes and charges.From $69, select.

Dublin.$69 per passenger.Departing Tue, 15 Sep, returning Fri, 2 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Tue, 15 Sep, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Fri, 2 Oct, arriving in Cardiff.Price includes taxes and charges.From $69, select.

Dublin.$97 per passenger.Departing Wed, 21 Oct, returning Sat, 7 Nov.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Wed, 21 Oct, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 7 Nov, arriving in Cardiff.Price includes taxes and charges.From $97, select.

Dublin.$108 per passenger.Departing Mon, 7 Dec, returning Tue, 22 Dec.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Mon, 7 Dec, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Tue, 22 Dec, arriving in Cardiff.Price includes taxes and charges.From $108, select.

Dublin.$118 per passenger.Departing Sat, 15 May, returning Mon, 17 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Sat, 15 May, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Mon, 17 May, arriving in Cardiff.Price includes taxes and charges.From $118, select.

Dublin.$118 per passenger.Departing Mon, 25 Jan, returning Thu, 4 Feb.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Mon, 25 Jan, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Thu, 4 Feb, arriving in Cardiff.Price includes taxes and charges.From $118, select.

Dublin.$118 per passenger.Departing Wed, 14 Apr, returning Sat, 24 Apr.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Wed, 14 Apr, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 24 Apr, arriving in Cardiff.Price includes taxes and charges.From $118, select.

Dublin.$118 per passenger.Departing Mon, 1 Mar, returning Sat, 6 Mar.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Cardiff on Mon, 1 Mar, arriving in Dublin.Inbound direct flight with Ryanair departs from Dublin on Sat, 6 Mar, arriving in Cardiff.Price includes taxes and charges.From $118, 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 July.

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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 $49

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Cardiff to Dublin: Flight information

The things to know before you go.

Cheapest flight found	$49
Cheapest month to fly	July
Average flight time	1 hr, 5 mins
Most popular airline	Aer Lingus
Average flights per week	7

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 $49. 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 5 minutes is the average flight time from Cardiff to Dublin.

Which airlines fly direct from Cardiff to Dublin?

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

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

As of June 2026, there are 7 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 July.

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, 2 July 2026.

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

Yes – the average flight time is 1 hour and 5 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

Around 1 hour is how long you'll be travelling on a direct flight from Cardiff Airport to Dublin Airport.
Dublin's timezone is UTC+0, which is the same as Cardiff.
Each week, there are four Cardiff Airport to Dublin Airport flights. If you'd like to be on board as soon as possible, opt for the 07:55 Ryanair flight. If you'd rather make the most of your day before flying, the latest flight is at 23:15 with Ryanair.
Get to the airport on time so you don't miss your CWL to DUB flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
Be prepared for longer lines in popular months such as June. Arriving up to four hours in advance for international flights and two hours for domestic departures will help ensure a smooth travel experience.
Ryanair is your gateway to discovering Dublin (and perhaps some other great corners of Ireland!). Browse the direct flights from Cardiff Airport to Dublin Airport offered by this carrier.
Ryanair is the airline with the highest passenger demand for this route.
Ryanair is the most punctual carrier operating CWL to DUB flights, with 71.93% of its services reaching their destination on time.
We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Cardiff Airport to Dublin Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Popular stopovers between CWL and DUB include:
- Amsterdam Schiphol Airport
- Malaga Airport
- Faro Airport

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

Right now, $25 is the lowest price we've found for a one-way Cardiff Airport to Dublin Airport flight. The best price for a return plane ticket is $49. Bear in mind that fares could change due to availability when booking.
To secure cheap tickets from CWL to DUB, book your journey 11 months ahead of your departure.
April is the cheapest month for flights from Cardiff Airport to Dublin Airport. If you want to fly during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.
Cut down on the time spent looking for cheap flights from CWL to DUB by creating a Price Alert. You'll receive an email or push notification on the app when a special offer becomes available.
Tailor your flights using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Cardiff Airport to Dublin Airport.

Handy information about Cardiff Airport (CWL)

Cardiff Airport earns top marks for its on-time performance. 81% of flights that take off from CWL arrive at their destination without delay.
Central Cardiff to Cardiff Airport is around 19 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're catching a taxi, ride-sharing or driving.
The trip on public transport usually takes 40 minutes.
Looking for a handy hotel near CWL? If you're catching an early flight from Cardiff Airport to Dublin Airport, these stays will have you moments from your departure gate:

Arriving at Dublin Airport (DUB)

Consider booking a hotel near DUB if you're catching a late Cardiff Airport to Dublin Airport flight. Choose one of these options and avoid the hassle of a long transfer:
Pick up a Dublin Airport rental car and discover Dublin and beyond with your own set of wheels. Easirent, Budget and Carhire are top providers you can book with here.
Lock in the lowest price by booking your ride from Dublin Airport around two weeks before your trip.

When to fly to Dublin Airport (DUB)

July is the most popular month for flights from Cardiff Airport to Dublin Airport. To skip the crowds, head to Dublin in March.
Book your flight from Cardiff Airport to Dublin Airport for July if you want to go to Dublin during its warmest month. You can expect temperatures of between 10ºC (50ºF) and 19ºC (66ºF).
Search for cheap tickets from CWL to DUB in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 2ºC (36ºF) and 9ºC (48ºF) on average.

Explore more of Ireland

Cork is just one of the many cities in Ireland waiting to be discovered once you've seen Dublin. Around 225 kilometres away to the south-west, check out popular attractions including Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.