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Cheap flights from Cardiff to Ireland from £17

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 8/11. 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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Find the cheapest flights from Cardiff to Ireland

Cheap return flights

Ryanair Logo
12:25 - 13:25CWL-DUB
1h 00mdirect
Ryanair Logo
09:35 - 10:35DUB-CWL
1h 00mdirect
£32Ryanair
Find Deal
Fri, 10 Oct - Sun, 12 Oct
Ryanair Logo
12:25 - 13:25CWL-DUB
1h 00mdirect
Ryanair Logo
09:35 - 10:35DUB-CWL
1h 00mdirect
£33Ryanair
Find Deal
Fri, 17 Oct - Sun, 19 Oct
Ryanair Logo
12:25 - 13:25CWL-DUB
1h 00mdirect
Ryanair Logo
09:35 - 10:35DUB-CWL
1h 00mdirect
£34Ryanair
Find Deal
Fri, 17 Oct - Sun, 19 Oct
Ryanair Logo
14:30 - 15:35CWL-DUB
1h 05mdirect
Ryanair Logo
09:00 - 10:05DUB-CWL
1h 05mdirect
£34Ryanair
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Ryanair Logo
15:55 - 17:00CWL-DUB
1h 05mdirect
Ryanair Logo
14:25 - 15:30DUB-CWL
1h 05mdirect
£35Ryanair
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Ryanair Logo
15:55 - 17:00CWL-DUB
1h 05mdirect
Ryanair Logo
18:35 - 19:40DUB-CWL
1h 05mdirect
£36Ryanair
Find Deal
Wed, 26 Nov - Sat, 29 Nov
Ryanair Logo
22:25 - 23:30CWL-DUB
1h 05mdirect
Ryanair Logo
19:50 - 20:55DUB-CWL
1h 05mdirect
£43Ryanair
Find Deal
Fri, 7 Nov - Sun, 9 Nov
Ryanair Logo
23:30 - 00:35CWL-DUB
1h 05mdirect
Ryanair Logo
18:35 - 19:40DUB-CWL
1h 05mdirect
£43Ryanair
Find Deal
Mon, 24 Nov - Sat, 29 Nov
Multiple Airlines Logo
23:30 - 10:40CWL-ORK
11h 10m2 stops
Multiple Airlines Logo
22:20 - 19:40ORK-CWL
21h 20m2 stops
£161Multiple Airlines
Find Deal
Mon, 24 Nov - Fri, 5 Dec
KLM Logo
09:50 - 14:40CWL-ORK
28h 50m2 stops
KLM Logo
15:25 - 16:45ORK-CWL
25h 20m2 stops
£479KLM
Find Deal
Fri, 17 Oct - Mon, 20 Oct

Ryanair flights from Cardiff to Ireland

Our best Ryanair deals on Cardiff to Ireland flight tickets
Ryanair
10 Oct
CWL12:25Cardiff Wales
1h 00m
DUB13:25Dublin
12 Oct
DUB09:35Dublin
1h 00m
CWL10:35Cardiff Wales
£32
Find similar
Ryanair
17 Oct
CWL12:25Cardiff Wales
1h 00m
DUB13:25Dublin
19 Oct
DUB09:35Dublin
1h 00m
CWL10:35Cardiff Wales
£33
Find similar
Ryanair
17 Oct
CWL12:25Cardiff Wales
1h 00m
DUB13:25Dublin
19 Oct
DUB09:35Dublin
1h 00m
CWL10:35Cardiff Wales
£34
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 17 September 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

Fri 10/10

12:25-13:25

Nonstop1h 00m

Dublin

Sun 12/10

09:35-10:35

Nonstop1h 00m

£32

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 17/10

12:25-13:25

Nonstop1h 00m

Dublin

Sun 19/10

09:35-10:35

Nonstop1h 00m

£33

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 17/10

12:25-13:25

Nonstop1h 00m

Dublin

Sun 19/10

09:35-10:35

Nonstop1h 00m

£34

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 30/10

14:30-15:35

Nonstop1h 05m

Dublin

Thu 6/11

09:00-10:05

Nonstop1h 05m

£34

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 29/10

15:55-17:00

Nonstop1h 05m

Dublin

Wed 5/11

14:25-15:30

Nonstop1h 05m

£35

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 26/11

15:55-17:00

Nonstop1h 05m

Dublin

Sat 29/11

18:35-19:40

Nonstop1h 05m

£36

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 7/11

22:25-23:30

Nonstop1h 05m

Dublin

Sun 9/11

19:50-20:55

Nonstop1h 05m

£43

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 24/11

23:30-00:35

Nonstop1h 05m

Dublin

Sat 29/11

18:35-19:40

Nonstop1h 05m

£43

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Mon 24/11

23:30-10:40

2 stops11h 10m

Cork

Fri 5/12

22:20-19:40

2 stops21h 20m

£161

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Fri 17/10

09:50-14:40

2 stops28h 50m

Cork

Mon 20/10

15:25-16:45

2 stops25h 20m

£479

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £49. If you’re not able to fly to Ireland in September, then October is your next best option. Flight prices from Cardiff to Ireland during October average around £62.

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 £60. 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 Wednesday will generally be more expensive and average around £93. 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 £74. 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 £75 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 £44 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

£18

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from Cardiff in the past 72 hours is £18. The best return flight deal from Cardiff to Ireland found on momondo in the last 72 hours is £40.
The fastest flight from Cardiff to Ireland takes 1h 00m
Direct flights go from Cardiff to Ireland every day.
There is 1 airport near Ireland: 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
5,157 reviews
Search Ryanair flights
Aer LingusPriceFrom £45Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
KLMPriceFrom £151Free CancellationRating
7.8
1,386 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.

An easier way to manage your Ireland trip

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Find better results for your trip to Ireland

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Popular flights according to clicks in the last 7 days on momondo
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