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

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

Which airlines fly to Dublin?

Ryanair, Aer Lingus and KLM are the top three most popular airlines that fly to Dublin from Cardiff according to our data. Ryanair is the first choice among our users, with 81% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 4 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

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

As of December 2025, 2 flights take off from Cardiff and land in Dublin each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

When did momondo last update prices for flights from Cardiff Wales Airport to Dublin Airport?

Prices for flights from Cardiff Wales Airport to Dublin Airport are updated daily.

How many operators does momondo search for flights from Cardiff Wales Airport to Dublin Airport?

As of December 2025, there are 3 operators available to choose from for flights from Cardiff Wales Airport to Dublin Airport.

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

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 Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£17 Cheap Flights from Cardiff to Dublin in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Cardiff to Dublin

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

22:25 - 23:30

CWL

DUB

1h 05mdirect

20:30 - 21:35

DUB

CWL

1h 05mdirect

£32Ryanair

Fri, 26 Dec - Tue, 30 Dec

22:25 - 23:30

CWL

DUB

1h 05mdirect

22:00 - 23:05

DUB

CWL

1h 05mdirect

£35Ryanair

Fri, 19 Dec - Mon, 22 Dec

15:55 - 17:00

CWL

DUB

1h 05mdirect

14:25 - 15:30

DUB

CWL

1h 05mdirect

£38Ryanair

Wed, 7 Jan - Wed, 14 Jan

22:25 - 23:30

CWL

DUB

1h 05mdirect

22:00 - 23:05

DUB

CWL

1h 05mdirect

£39Ryanair

Fri, 19 Dec - Mon, 22 Dec

15:55 - 17:00

CWL

DUB

1h 05mdirect

14:25 - 15:30

DUB

CWL

1h 05mdirect

£41Ryanair

Wed, 7 Jan - Wed, 14 Jan

22:25 - 23:30

CWL

DUB

1h 05mdirect

19:50 - 20:55

DUB

CWL

1h 05mdirect

£41Ryanair

Fri, 26 Dec - Sun, 28 Dec

15:55 - 17:00

CWL

DUB

1h 05mdirect

18:35 - 19:40

DUB

CWL

1h 05mdirect

£42Ryanair

Wed, 24 Dec - Sat, 27 Dec

10:30 - 11:35

CWL

DUB

1h 05mdirect

19:50 - 20:55

DUB

CWL

1h 05mdirect

£44Ryanair

Thu, 12 Feb - Sun, 15 Feb

22:25 - 23:30

CWL

DUB

1h 05mdirect

18:35 - 19:40

DUB

CWL

1h 05mdirect

£45Ryanair

Fri, 13 Feb - Sat, 14 Feb

23:45 - 00:50

CWL

DUB

1h 05mdirect

18:35 - 19:40

DUB

CWL

1h 05mdirect

£46Ryanair

Sat, 20 Dec - Sat, 27 Dec

Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets

Ryanair

13 Dec

CWL20:05Cardiff Wales

1h 05m

DUB21:10Dublin

15 Dec

DUB22:00Dublin

1h 05m

CWL23:05Cardiff Wales

£31

Find similar

Ryanair

15 Dec

CWL23:30Cardiff Wales

1h 05m

DUB00:35Dublin

22 Dec

DUB22:00Dublin

1h 05m

CWL23:05Cardiff Wales

£32

Find similar

Ryanair

26 Dec

CWL22:25Cardiff Wales

1h 05m

DUB23:30Dublin

30 Dec

DUB20:30Dublin

1h 05m

CWL21:35Cardiff Wales

£32

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 26/12

22:25-23:30

Nonstop1h 05m

Dublin

Tue 30/12

20:30-21:35

Nonstop1h 05m

£32

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 19/12

22:25-23:30

Nonstop1h 05m

Dublin

Mon 22/12

22:00-23:05

Nonstop1h 05m

£35

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 7/1

15:55-17:00

Nonstop1h 05m

Dublin

Wed 14/1

14:25-15:30

Nonstop1h 05m

£38

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 19/12

22:25-23:30

Nonstop1h 05m

Dublin

Mon 22/12

22:00-23:05

Nonstop1h 05m

£39

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 7/1

15:55-17:00

Nonstop1h 05m

Dublin

Wed 14/1

14:25-15:30

Nonstop1h 05m

£41

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 26/12

22:25-23:30

Nonstop1h 05m

Dublin

Sun 28/12

19:50-20:55

Nonstop1h 05m

£41

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 24/12

15:55-17:00

Nonstop1h 05m

Dublin

Sat 27/12

18:35-19:40

Nonstop1h 05m

£42

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 12/2

10:30-11:35

Nonstop1h 05m

Dublin

Sun 15/2

19:50-20:55

Nonstop1h 05m

£44

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 13/2

22:25-23:30

Nonstop1h 05m

Dublin

Sat 14/2

18:35-19:40

Nonstop1h 05m

£45

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sat 20/12

23:45-00:50

Nonstop1h 05m

Dublin

Sat 27/12

18:35-19:40

Nonstop1h 05m

£46

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cardiff to Dublin

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 Dublin?

In general, September is the cheapest month to fly from Cardiff to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £51. If you aren’t able to travel to Dublin during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £57.

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

On average, the least expensive day to fly to Dublin from Cardiff is on a Thursday. momondo users have found tickets for Thursday departures for as low as £62. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £89. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

Flying to Dublin from Cardiff in the evening is the least expensive time of day to depart. momondo users have found prices as low as £73 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £79 on average. Flights to Dublin from Cardiff at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Cardiff Wales to Dublin flight route?

Fly from Cardiff Wales to Dublin for the best Cardiff Wales - Dublin flight prices

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

You are more likely to see cheaper flights to Dublin from Cardiff when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin 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 Dublin from Cardiff for as low as £44 on momondo.

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

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

How have Cardiff to Dublin flight prices changed over time?

As of December 2025, prices for Cardiff to Dublin flights are approximately 23% more expensive when compared to flights at the same time last year.

When to book flights from Cardiff to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Dublin according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cardiff to Dublin (CWL to DUB) flight deals and tips

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

Best price found	£24
Fastest flight time	1h 00m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Cardiff in the past 72 hours is £24. The best return flight deal from Cardiff to Dublin found on momondo in the last 72 hours is £43.

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

Direct flights go from Cardiff to Dublin every day.

There is 1 airport near Dublin: Dublin (DUB)

Search flight deals

How far is Cardiff Wales to Dublin by plane?
Dublin is 182.8 mi away from Cardiff Wales. Typically, this will take 1h 00m by plane in normal conditions.
When did momondo last update prices for flights from Cardiff Wales Airport to Dublin Airport?
Prices for flights from Cardiff Wales Airport to Dublin Airport are updated daily.
How many operators does momondo search for flights from Cardiff Wales Airport to Dublin Airport?
As of December 2025, there are 3 operators available to choose from for flights from Cardiff Wales Airport to Dublin Airport.
How old do you have to be to fly from Cardiff Wales Airport to Dublin Airport?
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 Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Cardiff to Dublin?
momondo data reveals that the most frequently booked plane model on the route from Cardiff to Dublin is Boeing 737 MAX 8, representing 39.60% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 37.77%, ATR 72-201 / 202 at 18.47%, and Airbus A320-100/200 at 2.33%.
What is the most popular airline from Cardiff to Dublin?
Based on momondo bookings for flights between Cardiff and Dublin, the leading airline is Ryanair, making up 94% of the total bookings. Other popular airlines include KLM with 4% and Aer Lingus with 2%.

Best airlines flying from Cardiff to Dublin

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

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom £32	Free Cancellation	Rating 6.8 5,214 reviews	Search Ryanair flights
Aer Lingus	PriceFrom £59	Free Cancellation	Rating 7.2 1,389 reviews	Search Aer Lingus flights
KLM	PriceFrom £160	Free Cancellation	Rating 7.7 1,431 reviews	Search KLM flights

Ryanair Flights From Cardiff to Dublin
The lowest priced Ryanair flight from Cardiff to Dublin from the last 72 hours was £32. Generally, Ryanair has 2 flights on this route every week with an average price of £68. Ryanair is rated 6.8/10 by our users.

Kilkenny

Swords

Cavan

Dundalk

Athlone

Bray

Carlingford

Malahide

Mullingar

Kildare

Drogheda

Wicklow

Enniscorthy

Arklow

Gorey

Leixlip

Naas

Maynooth

Tullamore

Portmarnock

Why use momondo?

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

Finding the right flight to Dublin from Cardiff is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

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

Flights from Cardiff to Dublin 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 Dublin?

Once you have performed a search for Cardiff to Dublin 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 Dublin right now. Can momondo alert me if prices change?

Price alerts on flights to Dublin from Cardiff are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Dublin 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 9/1

Fri 16/1

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Airports servicing Ireland

Cheap flights from Cardiff to Dublin 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 Dublin departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Cardiff to Dublin

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Cardiff to Dublin that are best for you.

See travel insights to Dublin from

How to get the cheapest flight ticket from Cardiff to Dublin

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 Dublin?

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

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

What is the cheapest Cardiff Wales to Dublin flight route?

Fly from Cardiff Wales to Dublin for the best Cardiff Wales - Dublin flight prices

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

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

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

How have Cardiff to Dublin flight prices changed over time?

As of December 2025, prices for Cardiff to Dublin flights are approximately 23% more expensive when compared to flights at the same time last year.

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

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

Which airlines fly to Dublin?

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

As of December 2025, 2 flights take off from Cardiff and land in Dublin each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

When to book flights from Cardiff to Dublin

Cheap Cardiff to Dublin (CWL to DUB) flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Dublin

How far is Cardiff Wales to Dublin by plane?

When did momondo last update prices for flights from Cardiff Wales Airport to Dublin Airport?

How many operators does momondo search for flights from Cardiff Wales Airport to Dublin Airport?

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

What documentation or ID do you need to fly to Dublin Airport?

What is the most popular plane model from Cardiff to Dublin?

What is the most popular airline from Cardiff to Dublin?

Best airlines flying from Cardiff to Dublin

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

Ryanair Flights From Cardiff to Dublin

Travelling to a place near Dublin?

Why use momondo?

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

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

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

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

An easier way to manage your Dublin 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

Airports servicing Ireland