Which airlines fly to Ireland?

Ryanair, Aer Lingus and KLM are the top three most popular airlines that fly to Ireland from Cardiff according to our data. Ryanair is the first choice among our users, with 77% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 4 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

How many flights depart from Cardiff to Ireland on average per week?

2 flights are operational weekly from Cardiff to Ireland as of February 2026. The most popular departure day for this route is Mon, with 50% of flights per week taking off on this day.

What is the cheapest airline that flies from Cardiff Wales to Ireland?

Ryanair is the most popular carrier operating from Cardiff Wales to Ireland

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?

There are 3 operators available for flights from Cardiff Wales Airport to Ireland as of February 2026.

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.

£15 Cheap Flights from Cardiff to Ireland in 2026

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Round-trip

One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

21:55 - 23:00

CWL

DUB

1h 05mdirect

21:50 - 22:55

DUB

CWL

1h 05mdirect

£37Ryanair

Thu, 5 Mar - Sat, 7 Mar

22:25 - 23:25

CWL

DUB

1h 00mdirect

21:25 - 22:25

DUB

CWL

1h 00mdirect

£40Ryanair

Mon, 27 Apr - Thu, 30 Apr

15:55 - 17:00

CWL

DUB

1h 05mdirect

14:25 - 15:30

DUB

CWL

1h 05mdirect

£41Ryanair

Wed, 11 Mar - Wed, 18 Mar

15:55 - 17:00

CWL

DUB

1h 05mdirect

14:25 - 15:30

DUB

CWL

1h 05mdirect

£45Ryanair

Wed, 11 Mar - Wed, 18 Mar

22:25 - 23:30

CWL

DUB

1h 05mdirect

22:00 - 23:05

DUB

CWL

1h 05mdirect

£48Ryanair

Fri, 6 Mar - Mon, 9 Mar

21:55 - 23:00

CWL

DUB

1h 05mdirect

22:00 - 23:05

DUB

CWL

1h 05mdirect

£53Ryanair

Thu, 5 Mar - Mon, 9 Mar

22:50 - 23:50

CWL

DUB

1h 00mdirect

21:00 - 22:00

DUB

CWL

1h 00mdirect

£63Ryanair

Thu, 4 Jun - Mon, 8 Jun

22:50 - 23:50

CWL

DUB

1h 00mdirect

20:20 - 21:20

DUB

CWL

1h 00mdirect

£67Ryanair

Thu, 2 Apr - Sun, 5 Apr

10:15 - 15:30

CWL

ORK

29h 15m

1 stop

21:00 - 08:55

ORK

CWL

35h 55m

2 stops

£165Multiple Airlines

Thu, 26 Mar - Thu, 2 Apr

20:05 - 06:50

CWL

ORK

34h 45m

2 stops

18:50 - 08:55

ORK

CWL

14h 05m

1 stop

£174Multiple Airlines

Sat, 28 Mar - Sat, 4 Apr

Ryanair flights from Cardiff to Ireland

Our best Ryanair deals on Cardiff to Ireland flight tickets

Ryanair

5 Mar

CWL21:55Cardiff Wales

1h 05m

DUB23:00Dublin

7 Mar

DUB21:50Dublin

1h 05m

CWL22:55Cardiff Wales

£37

Ryanair

27 Apr

CWL22:25Cardiff Wales

1h 00m

DUB23:25Dublin

30 Apr

DUB21:25Dublin

1h 00m

CWL22:25Cardiff Wales

£40

Ryanair

11 Mar

CWL15:55Cardiff Wales

1h 05m

DUB17:00Dublin

18 Mar

DUB14:25Dublin

1h 05m

CWL15:30Cardiff Wales

£41

KLM flights from Cardiff to Ireland

Our best KLM deals on Cardiff to Ireland flight tickets

KLM

20 Feb

CWL17:15Cardiff Wales

4h 55m

1 stop

DUB22:10Dublin

21 Feb

DUB05:55Dublin

3h 55m

1 stop

CWL09:50Cardiff Wales

£333

KLM

20 Feb

CWL17:15Cardiff Wales

4h 55m

1 stop

DUB22:10Dublin

21 Feb

DUB17:15Dublin

16h 35m

1 stop

CWL09:50Cardiff Wales

£334

KLM

20 Feb

CWL10:20Cardiff Wales

6h 00m

1 stop

DUB16:20Dublin

21 Feb

DUB05:55Dublin

3h 55m

1 stop

CWL09:50Cardiff Wales

£337

Fly from

Fly to

Route

Depart

Return

Price

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 5/3

21:55-23:00

Nonstop1h 05m

Dublin

Sat 7/3

21:50-22:55

Nonstop1h 05m

£37

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 27/4

22:25-23:25

Nonstop1h 00m

Dublin

Thu 30/4

21:25-22:25

Nonstop1h 00m

£40

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 11/3

15:55-17:00

Nonstop1h 05m

Dublin

Wed 18/3

14:25-15:30

Nonstop1h 05m

£41

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 11/3

15:55-17:00

Nonstop1h 05m

Dublin

Wed 18/3

14:25-15:30

Nonstop1h 05m

£45

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 6/3

22:25-23:30

Nonstop1h 05m

Dublin

Mon 9/3

22:00-23:05

Nonstop1h 05m

£48

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 5/3

21:55-23:00

Nonstop1h 05m

Dublin

Mon 9/3

22:00-23:05

Nonstop1h 05m

£53

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 4/6

22:50-23:50

Nonstop1h 00m

Dublin

Mon 8/6

21:00-22:00

Nonstop1h 00m

£63

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 2/4

22:50-23:50

Nonstop1h 00m

Dublin

Sun 5/4

20:20-21:20

Nonstop1h 00m

£67

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Thu 26/3

10:15-15:30

1 stop29h 15m

Cork

Thu 2/4

21:00-08:55

2 stops35h 55m

£165

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Sat 28/3

20:05-06:50

2 stops34h 45m

Cork

Sat 4/4

18:50-08:55

1 stop14h 05m

£174

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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

Prices

Airlines

Other information

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 £50. 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 £56.

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 Wednesday 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 £86. 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 afternoon is the cheapest time of day to fly from Cardiff to Ireland when you can find flight prices for as low as £65. Flying to Ireland in the afternoon 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 £81. 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 £69 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 £41 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	£16
Fastest flight time	1h 00m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Ireland	77 airports

The best one-way flight to Ireland from Cardiff in the past 72 hours is £16. The best return flight deal from Cardiff to Ireland found on momondo in the last 72 hours is £36.

The fastest flight from Cardiff to Ireland takes 1h 00m

Direct flights go from Cardiff to Ireland on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airline offering direct flights is Ryanair..

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?
There are 3 operators available for flights from Cardiff Wales Airport to Ireland as of February 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Cardiff to Ireland is Boeing 737 MAX 8, representing 41.73% of all bookings. The subsequent popular models are ATR 72-201 / 202 at 32.41%, Boeing 737-800 Passenger/BBJ2 (winglets) at 22.18%, and Airbus A320-100/200 at 2.76%.

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
Ryanair	PriceFrom £31	Free Cancellation	Rating 6.9 5,267 reviews	Search Ryanair flights
Aer Lingus	PriceFrom £49	Free Cancellation	Rating 7.2 1,449 reviews	Search Aer Lingus flights
KLM	PriceFrom £161	Free Cancellation	Rating 7.7 1,451 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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Popular Cities in Ireland

Flights to Dublinfrom £29

Flights to Corkfrom £29

Flights to Shannon, Clarefrom £29

Flights to Knockfrom £29

Flights to Milltown (Kerry)from £29

Flights to Donegalfrom £162

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 7/4. 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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Ryanair flights from Cardiff to Ireland

Our best Ryanair deals on Cardiff to Ireland flight tickets

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Our best KLM deals on Cardiff to Ireland flight tickets

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See travel insights to Ireland from

How to get the cheapest flight ticket from Cardiff to Ireland

What is the cheapest month to fly to Ireland?

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

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

What is the cheapest Cardiff Wales to Ireland flight route?

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

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

Can stopping save me money on Cardiff to Ireland flights?

What is the cheapest airline that flies from Cardiff Wales to Ireland?

Which airlines fly to Ireland?

How many flights depart from Cardiff to Ireland on average per week?

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

Fastest flight time

Direct flights

Airports in Ireland

Best airlines flying from Cardiff to Ireland

Compare and see reviews for airlines that fly from Cardiff to Ireland with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular Cities in Ireland

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

Cardiff flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year