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Cheap flights from Cardiff to Ireland from €18

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 24/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Cardiff to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
23:15 - 00:15
CWL
-
DUB
1h 00mdirect
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
€33Ryanair
Tue, 21 Jul - Sat, 25 Jul
Ryanair Logo
22:50 - 23:55
CWL
-
DUB
1h 05mdirect
Ryanair Logo
20:45 - 21:45
DUB
-
CWL
1h 00mdirect
€34Ryanair
Thu, 23 Jul - Mon, 27 Jul
Ryanair Logo
23:15 - 00:15
CWL
-
DUB
1h 00mdirect
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
€35Ryanair
Tue, 21 Jul - Sat, 25 Jul
Ryanair Logo
22:50 - 23:55
CWL
-
DUB
1h 05mdirect
Ryanair Logo
20:45 - 21:45
DUB
-
CWL
1h 00mdirect
€36Ryanair
Thu, 23 Jul - Mon, 27 Jul
Ryanair Logo
22:50 - 23:55
CWL
-
DUB
1h 05mdirect
Ryanair Logo
20:45 - 21:45
DUB
-
CWL
1h 00mdirect
€37Ryanair
Thu, 30 Jul - Mon, 3 Aug
Ryanair Logo
23:15 - 00:20
CWL
-
DUB
1h 05mdirect
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
€38Ryanair
Wed, 5 Aug - Sat, 22 Aug
Ryanair Logo
23:15 - 00:15
CWL
-
DUB
1h 00mdirect
Ryanair Logo
21:50 - 22:50
DUB
-
CWL
1h 00mdirect
€39Ryanair
Tue, 18 Aug - Wed, 19 Aug
Ryanair Logo
22:10 - 23:15
CWL
-
DUB
1h 05mdirect
Ryanair Logo
20:20 - 21:20
DUB
-
CWL
1h 00mdirect
€42Ryanair
Mon, 27 Jul - Sun, 16 Aug
Ryanair Logo
22:10 - 23:15
CWL
-
DUB
1h 05mdirect
Ryanair Logo
20:45 - 21:45
DUB
-
CWL
1h 00mdirect
€43Ryanair
Mon, 10 Aug - Mon, 17 Aug
Multiple Airlines Logo
22:50 - 17:10
CWL
-
ORK
18h 20m
2 stops
Multiple Airlines Logo
13:45 - 22:25
ORK
-
CWL
8h 40m
2 stops
€148Multiple Airlines
Thu, 23 Jul - Thu, 30 Jul

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Ryanair flights from Cardiff to Ireland

Our best Ryanair deals on Cardiff to Ireland flight tickets
Ryanair
21 Jul
CWL23:15Cardiff Wales
1h 00m
DUB00:15Dublin
25 Jul
DUB05:55Dublin
1h 00m
CWL06:55Cardiff Wales
€33
Ryanair
23 Jul
CWL22:50Cardiff Wales
1h 05m
DUB23:55Dublin
27 Jul
DUB20:45Dublin
1h 00m
CWL21:45Cardiff Wales
€34
Ryanair
4 Jul
CWL07:30Cardiff Wales
1h 00m
DUB08:30Dublin
6 Jul
DUB20:45Dublin
1h 00m
CWL21:45Cardiff Wales
€35

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 13,528 searches. Data last updated 29 June 2026.
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

Cheapest return flight
Fastest return journey

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 21/7

23:15-00:15

Nonstop1h 00m

Dublin

Sat 25/7

05:55-06:55

Nonstop1h 00m

€33

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 23/7

22:50-23:55

Nonstop1h 05m

Dublin

Mon 27/7

20:45-21:45

Nonstop1h 00m

€34

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 21/7

23:15-00:15

Nonstop1h 00m

Dublin

Sat 25/7

05:55-06:55

Nonstop1h 00m

€35

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 23/7

22:50-23:55

Nonstop1h 05m

Dublin

Mon 27/7

20:45-21:45

Nonstop1h 00m

€36

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 30/7

22:50-23:55

Nonstop1h 05m

Dublin

Mon 3/8

20:45-21:45

Nonstop1h 00m

€37

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 5/8

23:15-00:20

Nonstop1h 05m

Dublin

Sat 22/8

05:55-06:55

Nonstop1h 00m

€38

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 18/8

23:15-00:15

Nonstop1h 00m

Dublin

Wed 19/8

21:50-22:50

Nonstop1h 00m

€39

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 27/7

22:10-23:15

Nonstop1h 05m

Dublin

Sun 16/8

20:20-21:20

Nonstop1h 00m

€42

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 10/8

22:10-23:15

Nonstop1h 05m

Dublin

Mon 17/8

20:45-21:45

Nonstop1h 00m

€43

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Thu 23/7

22:50-17:10

2 stops18h 20m

Cork

Thu 30/7

13:45-22:25

2 stops8h 40m

€148

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 November is another great option to travel to Ireland, with average flight prices from Cardiff averaging around €32.

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 from Cardiff 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 €47 on momondo.

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

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

Cheap Cardiff to Ireland flight deals and tips

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

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Ireland

77 airports
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

Frequently asked questions about flying from Cardiff 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 are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cardiff Wales Airport to Ireland.

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

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cardiff to Ireland . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Cardiff to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Cardiff to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Cardiff to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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 €40
Flights to Corkfrom €85
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