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Cheap flights from Cardiff to Ireland from £17

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — DUB
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Cardiff to Ireland

Keep the following information in mind while searching for Cardiff to Ireland flight deals. Data was last updated 26 August 2025.

Round-trip from

£36

One-way from

£17

Popular in

February

Cheapest in

September

Average price

£77

Good round-trip deal

£47 or less

Good one-way deal

£47 or less
Ryanair
  • Ryanair
  • 9/10-16/10
  • Nonstop
  • 2h 00m total
  • Cardiff to Ireland
Search Deals
Ryanair
  • Ryanair
  • 6/9
  • Nonstop
  • 1h 00m total
  • Cardiff to Ireland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Cardiff Wales to Ireland.
Search Deals
Price to beat on a one-way flight from Cardiff Wales to Ireland.
Search Deals

Find flight deals from Cardiff to Ireland

Cheapest flights from Cardiff to Ireland
Explore the most affordable flight options available from Cardiff to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Thu 9/1007:55CWL - DUB
Nonstop1h 00mRyanair
Thu 16/1006:25DUB - CWL
Nonstop1h 00mRyanair
Deal found 25/8£36
Sat 27/909:00CWL - DUB
Nonstop1h 00mRyanair
Sun 28/909:35DUB - CWL
Nonstop1h 00mRyanair
Deal found 24/8£38
Sat 27/909:00CWL - DUB
Nonstop1h 00mRyanair
Tue 30/914:55DUB - CWL
Nonstop1h 00mRyanair
Deal found 25/8£39
Thu 4/907:55CWL - DUB
Nonstop1h 00mRyanair
Sun 7/909:35DUB - CWL
Nonstop1h 00mRyanair
Deal found 25/8£51
Fri 5/912:25CWL - DUB
Nonstop1h 00mRyanair
Fri 12/911:00DUB - CWL
Nonstop1h 00mRyanair
Deal found 24/8£53
Mon 1/913:10CWL - DUB
Nonstop1h 00mRyanair
Mon 8/911:45DUB - CWL
Nonstop1h 00mRyanair
Deal found 24/8£54
Sat 6/909:00CWL - DUB
Nonstop1h 00mRyanair
Sat 13/906:30DUB - CWL
Nonstop1h 00mRyanair
Deal found 25/8£55
Fri 5/912:25CWL - DUB
Nonstop1h 00mRyanair
Mon 8/911:45DUB - CWL
Nonstop1h 00mRyanair
Deal found 24/8£56
Fri 19/912:25CWL - DUB
Nonstop1h 00mRyanair
Mon 22/911:45DUB - CWL
Nonstop1h 00mRyanair
Deal found 24/8£57
Thu 6/1110:30CWL - DUB
Nonstop1h 05mRyanair
Sun 9/1119:50DUB - CWL
Nonstop1h 05mRyanair
Deal found 24/8£58
Fri 10/1012:25CWL - DUB
Nonstop1h 00mRyanair
Sun 12/1009:35DUB - CWL
Nonstop1h 00mRyanair
Deal found 25/8£60
Wed 8/1020:30CWL - ORK
1 stop15h 25mMultiple Airlines
Wed 15/1009:45ORK - CWL
2 stops21h 40mMultiple Airlines
Deal found 24/8£168

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Cardiff to Ireland that are best for you.

Fly from

Cardiff

Fly to

Ireland

Route

Depart

Return

Price

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 9/10

07:55-08:55

Nonstop1h 00m

Dublin

Thu 16/10

06:25-07:25

Nonstop1h 00m

£36

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sat 27/9

09:00-10:00

Nonstop1h 00m

Dublin

Sun 28/9

09:35-10:35

Nonstop1h 00m

£38

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sat 27/9

09:00-10:00

Nonstop1h 00m

Dublin

Tue 30/9

14:55-15:55

Nonstop1h 00m

£39

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 5/9

12:25-13:25

Nonstop1h 00m

Dublin

Fri 12/9

11:00-12:00

Nonstop1h 00m

£53

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 23/9

16:20-17:20

Nonstop1h 00m

Dublin

Thu 25/9

06:25-07:25

Nonstop1h 00m

£54

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sat 6/9

09:00-10:00

Nonstop1h 00m

Dublin

Sat 13/9

06:30-07:30

Nonstop1h 00m

£54

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sun 7/9

11:00-12:00

Nonstop1h 00m

Dublin

Mon 15/9

11:45-12:45

Nonstop1h 00m

£55

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 12/9

12:25-13:25

Nonstop1h 00m

Dublin

Sun 14/9

09:35-10:35

Nonstop1h 00m

£55

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 11/9

07:55-08:55

Nonstop1h 00m

Dublin

Mon 15/9

11:45-12:45

Nonstop1h 00m

£55

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Wed 8/10

20:30-11:55

1 stop15h 25m

Cork

Wed 15/10

09:45-07:25

2 stops21h 40m

£168

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Cardiff to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Cardiff with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Ireland

What is the cheapest month to book a flight from Cardiff to Ireland?

Currently, January is the cheapest month in which you can book a flight from Cardiff to Ireland (average of £71). Flying from Cardiff to Ireland in August is currently the most expensive (average of £94). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CWL to IE?

Find hourly flight availability from Cardiff to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 August 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 10% on flights from Cardiff to Ireland by exploring options for tickets in the evening.

What is the cheapest day to fly from Cardiff to Ireland?

Use this chart to determine the cheapest time to fly return from Cardiff to Ireland. Price data was last updated on 24 August 2025.

Travellers seeking maximum savings on their Cardiff to Ireland flight should consider departing on Thursday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated 26 August 2025.
Check out reviews from past customers who have flown with KLM, Aer Lingus, andRyanair from Cardiff to Ireland to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,387 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,387 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.2
Good
1,237 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Ryanair
6.8
Okay
5,152 reviews
KLM
7.8
Good
1,387 reviews
Check prices

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Ireland?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Ireland from Cardiff.

  • How popular is this Cardiff to Ireland flight route?

    This flight path from Cardiff Wales to Ireland was viewed by 1,982 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Cardiff to Ireland?

    There are many flights that can get you from Cardiff to Ireland in 1h. Fly via Ryanair to get the fastest option. The distance from Cardiff to Ireland is about 186 mi. Most flights are nonstop.

  • What are the cheapest flights from Cardiff to Ireland?

    Looking for the cheapest flight from Cardiff to Ireland? While on average our users pay £77, our data indicates the cheapest price to be £17. The most popular route (Cardiff Wales - Dublin), is priced around £32.

  • Can I find deals for flights from Cardiff to Ireland that include hotel bookings?

    Yes. In addition to deals on Cardiff to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Ireland.

  • Can I find deals for business class flights from Cardiff to Ireland?

    Yes. Cheapflights offers flight deals from Cardiff to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Ireland?

    Currently, January is the cheapest month in which you can book a flight from Cardiff to Ireland (average of £71). Flying from Cardiff to Ireland in August is currently the most expensive (average of £94). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Cardiff to Ireland

Discover the top 3 airlines that operate flights from Cardiff to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£31Average£70FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£45Average£96FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£154Average£243FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Ireland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Ireland?

Cheapflights helps you find that perfect flight to Ireland from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cardiff to Ireland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Ireland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Ireland become cheaper?

Not ready to book yet? You can track prices for flights from Cardiff to Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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