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Cheap flights from Cardiff to Ireland from £18

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — DUB
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£32

One-way from

£18

Popular in

February

Cheapest in

September

Average price

£80

Good round-trip deal

£52 or less

Good one-way deal

£38 or less
Ryanair
  • Ryanair
  • 12/8-30/8
  • Nonstop
  • 2h 00m total
  • Cardiff to Ireland
Search Deals
Ryanair
  • Ryanair
  • 5/8
  • Nonstop
  • 1h 00m total
  • Cardiff to Ireland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Cardiff Wales to Ireland.
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Price to beat on a one-way flight from Cardiff Wales to Ireland.
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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 11 July 2025.

Tue 12/816:20CWL - DUB
Nonstop1h 00mRyanair
Sat 30/806:30DUB - CWL
Nonstop1h 00mRyanair
Deal found 10/7£32
Mon 8/913:10CWL - DUB
Nonstop1h 00mMultiple Airlines
Mon 8/920:45DUB - CWL
1 stop12h 30mMultiple Airlines
Deal found 10/7£102
Tue 12/816:20CWL - ORK
2 stops17h 00mRyanair
Wed 13/817:25ORK - CWL
2 stops14h 00mRyanair
Deal found 11/7£164
Fri 5/912:25CWL - ORK
2 stops8h 30mMultiple Airlines
Mon 8/921:45ORK - CWL
2 stops18h 10mMultiple Airlines
Deal found 9/7£179
Mon 15/917:15CWL - ORK
2 stops21h 25mKLM
Fri 19/915:25ORK - CWL
2 stops25h 40mKLM
Deal found 11/7£350

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 11 July 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

Tue 12/8

16:20-17:20

Nonstop1h 00m

Dublin

Sat 30/8

06:30-07:30

Nonstop1h 00m

£32

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 8/9

13:10-14:10

Nonstop1h 00m

Dublin

Mon 8/9

20:45-09:15

1 stop12h 30m

£102

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Tue 12/8

16:20-09:20

2 stops17h 00m

Cork

Wed 13/8

17:25-07:25

2 stops14h 00m

£164

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Fri 5/9

12:25-20:55

2 stops8h 30m

Cork

Mon 8/9

21:45-15:55

2 stops18h 10m

£179

CardiffCork

CWL - ORK

CWLORK

Cardiff Wales

Mon 15/9

17:15-14:40

2 stops21h 25m

Cork

Fri 19/9

15:25-17:05

2 stops25h 40m

£350

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 5/8

16:20-17:20

Nonstop1h 00m

£18

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 9/10

20:20-08:55

1 stop12h 35m

£78

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 7/1

10:20-16:20

1 stop6h 00m

£110

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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 £93). 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 11 July 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 40% 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 6 July 2025.

Travellers seeking maximum savings on their Cardiff to Ireland flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday afternoons 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 11 July 2025.
Check out reviews from past customers who have flown with KLM and Ryanair 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
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

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
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

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
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Overall

7.8

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 1,768 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the most reliable airlines from Cardiff to Ireland?

    No one likes to see their flight delayed. When booking a flight from Cardiff to Ireland consider choosing Qatar Airways (100%), Aer Lingus (88%) or Ryanair (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Cardiff to Ireland?

    Looking for the cheapest flight from Cardiff to Ireland? While on average our users pay £72, our data indicates the cheapest price to be £18. 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 £93). 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

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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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£67FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£47Average£104FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£152Average£236FlexibilityNo 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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