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Cheap flights from Cardiff to Ireland from £15

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Ireland departing on 24/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
15:55 - 17:00
CWL
-
DUB
1h 05mdirect
Ryanair Logo
09:00 - 10:05
DUB
-
CWL
1h 05mdirect
£32Ryanair
Wed, 31 Dec - Thu, 1 Jan
Ryanair Logo
23:30 - 00:35
CWL
-
DUB
1h 05mdirect
Ryanair Logo
09:00 - 10:05
DUB
-
CWL
1h 05mdirect
£35Ryanair
Mon, 5 Jan - Thu, 15 Jan
Ryanair Logo
22:25 - 23:30
CWL
-
DUB
1h 05mdirect
Ryanair Logo
22:00 - 23:05
DUB
-
CWL
1h 05mdirect
£36Ryanair
Fri, 2 Jan - Mon, 5 Jan
Ryanair Logo
21:20 - 22:25
CWL
-
DUB
1h 05mdirect
Ryanair Logo
14:25 - 15:30
DUB
-
CWL
1h 05mdirect
£37Ryanair
Sun, 8 Feb - Wed, 11 Feb
Ryanair Logo
07:55 - 09:00
CWL
-
DUB
1h 05mdirect
Ryanair Logo
05:55 - 07:00
DUB
-
CWL
1h 05mdirect
£38Ryanair
Wed, 24 Dec - Wed, 31 Dec
Ryanair Logo
21:20 - 22:25
CWL
-
DUB
1h 05mdirect
Ryanair Logo
14:25 - 15:30
DUB
-
CWL
1h 05mdirect
£40Ryanair
Sun, 28 Dec - Wed, 31 Dec
Ryanair Logo
23:20 - 00:25
CWL
-
DUB
1h 05mdirect
Ryanair Logo
14:25 - 15:30
DUB
-
CWL
1h 05mdirect
£41Ryanair
Sat, 7 Mar - Wed, 11 Mar
Ryanair Logo
22:25 - 23:30
CWL
-
DUB
1h 05mdirect
Ryanair Logo
20:30 - 21:35
DUB
-
CWL
1h 05mdirect
£43Ryanair
Fri, 26 Dec - Tue, 30 Dec
Multiple Airlines Logo
20:25 - 14:35
CWL
-
ORK
18h 10m1 stop
Multiple Airlines Logo
20:00 - 18:00
ORK
-
CWL
22h 00m2 stops
£150Multiple Airlines
Sat, 24 Jan - Sat, 31 Jan
Multiple Airlines Logo
22:25 - 22:15
CWL
-
ORK
23h 50m2 stops
Multiple Airlines Logo
07:50 - 23:05
ORK
-
CWL
15h 15m2 stops
£166Multiple Airlines
Fri, 20 Mar - Mon, 23 Mar

Ryanair flights from Cardiff to Ireland

Our best Ryanair deals on Cardiff to Ireland flight tickets
Ryanair
20 Dec
CWL23:45Cardiff Wales
1h 05m
DUB00:50Dublin
22 Dec
DUB22:00Dublin
1h 05m
CWL23:05Cardiff Wales
£30
Find similar
Ryanair
18 Dec
CWL16:30Cardiff Wales
1h 05m
DUB17:35Dublin
22 Dec
DUB22:00Dublin
1h 05m
CWL23:05Cardiff Wales
£31
Find similar
Ryanair
18 Dec
CWL16:30Cardiff Wales
1h 05m
DUB17:35Dublin
22 Dec
DUB22:00Dublin
1h 05m
CWL23:05Cardiff Wales
£31
Find similar

KLM flights from Cardiff to Ireland

Our best KLM deals on Cardiff to Ireland flight tickets
KLM
20 Mar
CWL17:15Cardiff Wales
6h 10m
1 stop
ORK23:25Cork
23 Mar
ORK11:15Cork
22h 35m
1 stop
CWL09:50Cardiff Wales
£317
Find similar
KLM
24 Jan
CWL10:20Cardiff Wales
13h 05m
1 stop
ORK23:25Cork
31 Jan
ORK06:00Cork
10h 55m
1 stop
CWL16:55Cardiff Wales
£352
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Cardiff to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 31/12

15:55-17:00

Nonstop1h 05m

Dublin

Thu 1/1

09:00-10:05

Nonstop1h 05m

£32

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 5/1

23:30-00:35

Nonstop1h 05m

Dublin

Thu 15/1

09:00-10:05

Nonstop1h 05m

£35

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 2/1

22:25-23:30

Nonstop1h 05m

Dublin

Mon 5/1

22:00-23:05

Nonstop1h 05m

£36

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sun 8/2

21:20-22:25

Nonstop1h 05m

Dublin

Wed 11/2

14:25-15:30

Nonstop1h 05m

£37

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 24/12

07:55-09:00

Nonstop1h 05m

Dublin

Wed 31/12

05:55-07:00

Nonstop1h 05m

£38

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sun 28/12

21:20-22:25

Nonstop1h 05m

Dublin

Wed 31/12

14:25-15:30

Nonstop1h 05m

£40

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sat 7/3

23:20-00:25

Nonstop1h 05m

Dublin

Wed 11/3

14:25-15:30

Nonstop1h 05m

£41

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 26/12

22:25-23:30

Nonstop1h 05m

Dublin

Tue 30/12

20:30-21:35

Nonstop1h 05m

£43

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Sat 24/1

20:25-14:35

1 stop18h 10m

Cork

Sat 31/1

20:00-18:00

2 stops22h 00m

£150

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Fri 20/3

22:25-22:15

2 stops23h 50m

Cork

Mon 23/3

07:50-23:05

2 stops15h 15m

£166

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Cardiff to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of September is, on average, the cheapest month to fly to Ireland from Cardiff, with most prices found around £51. If you’re not able to fly to Ireland in September, then November is your next best option. Flight prices from Cardiff to Ireland during November average around £57.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Thursday when prices can be found for as low as £62. This is often the case because there is less demand to fly during this day of the week. Flights from Cardiff to Ireland on a Friday will generally be more expensive and average around £88. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

In the evening is the cheapest time of day to fly from Cardiff to Ireland when you can find flight prices for as low as £73. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly at midday, with an average ticket price of £79. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Cardiff Wales to Ireland flight route?

Fly from Cardiff Wales to Dublin for the best Cardiff Wales - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £72 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Cardiff for as low as £43 on momondo.

What cabin class options are available on Cardiff Wales to Ireland flights?

There is only 1 cabin class available to choose from on Cardiff Wales to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Cardiff to Ireland flights?

No. A direct flight is the cheapest option for a flight between Cardiff to Ireland.

Cheap Cardiff to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Ireland

Best price found

£24

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from Cardiff in the past 72 hours is £24. The best return flight deal from Cardiff to Ireland found on momondo in the last 72 hours is £43.
The fastest flight from Cardiff to Ireland takes 1h 00m
Direct flights go from Cardiff to Ireland every day.
There are 77 airports in Ireland. From Cardiff there are direct flights to Dublin (DUB).
Search flight deals

  • When did momondo last update prices for flights from Cardiff Wales Airport to Ireland?

    Prices for flights from Cardiff Wales Airport to Ireland were last updated today.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Ireland?

  • How old do you have to be to fly from Cardiff Wales Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Cardiff to Ireland?

Best airlines flying from Cardiff to Ireland

Compare and see reviews for airlines that fly from Cardiff to Ireland with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £31Free CancellationRating
6.8
5,218 reviews
Search Ryanair flights
Aer LingusPriceFrom £59Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
KLMPriceFrom £159Free CancellationRating
7.7
1,432 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Ireland?

It is quick and easy to find Cardiff to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Cardiff to Ireland with flexible booking policies on momondo?

Yes. All flights to Ireland from Cardiff on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Cardiff to Ireland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from Cardiff.

I’m not ready to book a flight from Cardiff to Ireland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ireland from Cardiff. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom £28
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Flights to Milltown (Kerry)from £35
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