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

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

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

As of May 2026, 3 flights take off from Cardiff and land in Dublin each week. The most common flight departure day for this route is Fri, with 33% of weekly flights taking off on this day.

Which airlines fly to Dublin?

Ryanair, Aer Lingus and British Airways 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.

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 May 2026, 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.

£15 Cheap Flights from Cardiff to Dublin in 2026

Q: What is the typical price of a round-trip flight between Cardiff and Dublin?

Prices are currently low for flights on this route. Typical prices usually range from £111 to £33. The lowest price recently found on this route was £29.

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Find the cheapest flights from Cardiff to Dublin

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22:45 - 23:45

CWL

DUB

1h 00mdirect

22:05 - 23:05

DUB

CWL

1h 00mdirect

£29Ryanair

Fri, 5 Jun - Wed, 17 Jun

22:50 - 23:55

CWL

DUB

1h 05mdirect

20:45 - 21:45

DUB

CWL

1h 00mdirect

£30Ryanair

Thu, 4 Jun - Mon, 8 Jun

22:10 - 23:15

CWL

DUB

1h 05mdirect

21:50 - 22:50

DUB

CWL

1h 00mdirect

£31Ryanair

Mon, 25 May - Tue, 2 Jun

22:10 - 23:15

CWL

DUB

1h 05mdirect

05:55 - 06:55

DUB

CWL

1h 00mdirect

£32Ryanair

Mon, 25 May - Sat, 30 May

21:45 - 22:45

CWL

DUB

1h 00mdirect

21:50 - 22:50

DUB

CWL

1h 00mdirect

£32Ryanair

Sun, 31 May - Tue, 2 Jun

22:45 - 23:45

CWL

DUB

1h 00mdirect

20:45 - 21:45

DUB

CWL

1h 00mdirect

£33Ryanair

Fri, 31 Jul - Mon, 3 Aug

22:50 - 23:55

CWL

DUB

1h 05mdirect

21:20 - 22:20

DUB

CWL

1h 00mdirect

£34Ryanair

Thu, 30 Jul - Fri, 7 Aug

22:50 - 23:55

CWL

DUB

1h 05mdirect

21:25 - 22:25

DUB

CWL

1h 00mdirect

£34Ryanair

Thu, 23 Jul - Thu, 30 Jul

22:45 - 23:45

CWL

DUB

1h 00mdirect

20:20 - 21:20

DUB

CWL

1h 00mdirect

£35Ryanair

Fri, 24 Jul - Sun, 2 Aug

22:10 - 23:15

CWL

DUB

1h 05mdirect

20:20 - 21:20

DUB

CWL

1h 00mdirect

£36Ryanair

Mon, 20 Jul - Sun, 2 Aug

Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets

Ryanair

5 Jun

CWL22:45Cardiff Wales

1h 00m

DUB23:45Dublin

17 Jun

DUB22:05Dublin

1h 00m

CWL23:05Cardiff Wales

£29

Ryanair

4 Jun

CWL22:50Cardiff Wales

1h 05m

DUB23:55Dublin

8 Jun

DUB20:45Dublin

1h 00m

CWL21:45Cardiff Wales

£30

Ryanair

11 May

CWL22:10Cardiff Wales

1h 05m

DUB23:15Dublin

13 May

DUB22:05Dublin

1h 00m

CWL23:05Cardiff Wales

£31

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 5/6

22:45-23:45

Nonstop1h 00m

Dublin

Wed 17/6

22:05-23:05

Nonstop1h 00m

£29

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 4/6

22:50-23:55

Nonstop1h 05m

Dublin

Mon 8/6

20:45-21:45

Nonstop1h 00m

£30

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 25/5

22:10-23:15

Nonstop1h 05m

Dublin

Tue 2/6

21:50-22:50

Nonstop1h 00m

£31

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 25/5

22:10-23:15

Nonstop1h 05m

Dublin

Sat 30/5

05:55-06:55

Nonstop1h 00m

£32

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sun 31/5

21:45-22:45

Nonstop1h 00m

Dublin

Tue 2/6

21:50-22:50

Nonstop1h 00m

£32

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 31/7

22:45-23:45

Nonstop1h 00m

Dublin

Mon 3/8

20:45-21:45

Nonstop1h 00m

£33

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 30/7

22:50-23:55

Nonstop1h 05m

Dublin

Fri 7/8

21:20-22:20

Nonstop1h 00m

£34

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 23/7

22:50-23:55

Nonstop1h 05m

Dublin

Thu 30/7

21:25-22:25

Nonstop1h 00m

£34

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 24/7

22:45-23:45

Nonstop1h 00m

Dublin

Sun 2/8

20:20-21:20

Nonstop1h 00m

£35

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 20/7

22:10-23:15

Nonstop1h 05m

Dublin

Sun 2/8

20:20-21:20

Nonstop1h 00m

£36

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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

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Other information

What is the typical price of a round-trip flight between Cardiff and Dublin?

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 £50. 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 £55.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £56. 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 £80. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as £63 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £82 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 from Cardiff 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 £65 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 £40 on momondo.

How have Cardiff to Dublin flight prices changed over time?

As of May 2026, prices for Cardiff to Dublin flights are approximately 17% 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	£15
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 £15. The best return flight deal from Cardiff to Dublin found on momondo in the last 72 hours is £38.

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

Direct flights go from Cardiff to Dublin every day.

There is 1 airport in Dublin. From Cardiff there are direct flights to Dublin (DUB).

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Frequently asked questions about flying from Cardiff to Dublin

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 May 2026, 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 ATR 72-201 / 202, representing 39.23% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 29.79%, Boeing 737 MAX 8 at 25.22%, and Airbus A320-100/200 at 3.39%.
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 96% of the total bookings. Other popular airlines include KLM with 2% 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 £31	Free Cancellation	Rating 6.9 5,372 reviews	Search Ryanair flights
Aer Lingus	PriceFrom £58	Free Cancellation	Rating 7.3 1,551 reviews	Search Aer Lingus flights
KLM	PriceFrom £166	Free Cancellation	Rating 7.8 1,513 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 £31. Generally, Ryanair has 3 flights on this route every week with an average price of £61. Ryanair is rated 6.9/10 by our users.

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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.

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Cheap flights from Cardiff to Dublin 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 Dublin departing on 25/6. 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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How to get the cheapest flight ticket from Cardiff to Dublin

What is the typical price of a round-trip flight between Cardiff and Dublin?

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?

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

How have Cardiff to Dublin flight prices changed over time?

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

Which airlines fly to Dublin?

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

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

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Fastest flight time

Direct flights

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Frequently asked questions about flying 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?

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.

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