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 82% 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.

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 August 2026, 1 flights take off from Cardiff and land in Dublin each week. The most common flight departure day for this route is Fri, with 100% 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 August 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.

£17 Cheap Flights from Cardiff to Dublin in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cardiff to Dublin

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

23:15 - 00:15

CWL

DUB

1h 00mdirect

21:25 - 22:25

DUB

CWL

1h 00mdirect

£33Ryanair

Tue, 1 Sep - Thu, 17 Sep

22:45 - 23:45

CWL

DUB

1h 00mdirect

21:20 - 22:20

DUB

CWL

1h 00mdirect

£33Ryanair

Fri, 28 Aug - Fri, 4 Sep

22:45 - 23:45

CWL

DUB

1h 00mdirect

05:55 - 06:55

DUB

CWL

1h 00mdirect

£33Ryanair

Fri, 11 Sep - Sat, 12 Sep

21:10 - 08:20

CWL

DUB

11h 10m

1 stop

21:20 - 22:20

DUB

CWL

1h 00mdirect

£76Multiple Airlines

Wed, 16 Sep - Fri, 25 Sep

21:10 - 15:25

CWL

DUB

18h 15m

2 stops

21:20 - 22:20

DUB

CWL

1h 00mdirect

£77Multiple Airlines

Wed, 16 Sep - Fri, 25 Sep

21:10 - 21:25

CWL

DUB

24h 15m

2 stops

21:20 - 22:20

DUB

CWL

1h 00mdirect

£80Multiple Airlines

Wed, 16 Sep - Fri, 25 Sep

17:30 - 22:15

CWL

DUB

4h 45m

1 stop

05:45 - 09:50

DUB

CWL

4h 05m

1 stop

£178KLM

Fri, 11 Dec - Sun, 13 Dec

17:15 - 08:20

CWL

DUB

15h 05m

1 stop

11:10 - 09:15

DUB

CWL

22h 05m

1 stop

£202KLM

Fri, 4 Sep - Mon, 7 Sep

12:00 - 20:00

CWL

DUB

8h 00m

2 stops

07:40 - 11:30

DUB

CWL

27h 50m

2 stops

£438Aer Lingus

Fri, 4 Sep - Mon, 7 Sep

12:00 - 20:50

CWL

DUB

8h 50m

2 stops

16:50 - 11:30

DUB

CWL

18h 40m

2 stops

£443Aer Lingus

Fri, 4 Sep - Mon, 7 Sep

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Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets

Ryanair

28 Aug

CWL22:45Cardiff Wales

1h 00m

DUB23:45Dublin

4 Sept

DUB21:20Dublin

1h 00m

CWL22:20Cardiff Wales

£33

Ryanair

11 Sept

CWL22:45Cardiff Wales

1h 00m

DUB23:45Dublin

12 Sept

DUB05:55Dublin

1h 00m

CWL06:55Cardiff Wales

£33

Ryanair

11 Sept

CWL22:45Cardiff Wales

1h 00m

DUB23:45Dublin

25 Sept

DUB21:20Dublin

1h 00m

CWL22:20Cardiff Wales

£34

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 1/9

23:15-00:15

Nonstop1h 00m

Dublin

Thu 17/9

21:25-22:25

Nonstop1h 00m

£33

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 28/8

22:45-23:45

Nonstop1h 00m

Dublin

Fri 4/9

21:20-22:20

Nonstop1h 00m

£33

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 11/9

22:45-23:45

Nonstop1h 00m

Dublin

Sat 12/9

05:55-06:55

Nonstop1h 00m

£33

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 16/9

21:10-08:20

1 stop11h 10m

Dublin

Fri 25/9

21:20-22:20

Nonstop1h 00m

£76

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 16/9

21:10-15:25

2 stops18h 15m

Dublin

Fri 25/9

21:20-22:20

Nonstop1h 00m

£77

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 16/9

21:10-21:25

2 stops24h 15m

Dublin

Fri 25/9

21:20-22:20

Nonstop1h 00m

£80

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 11/12

17:30-22:15

1 stop4h 45m

Dublin

Sun 13/12

05:45-09:50

1 stop4h 05m

£178

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 4/9

17:15-08:20

1 stop15h 05m

Dublin

Mon 7/9

11:10-09:15

1 stop22h 05m

£202

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 4/9

12:00-20:00

2 stops8h 00m

Dublin

Mon 7/9

07:40-11:30

2 stops27h 50m

£438

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 4/9

12:00-20:50

2 stops8h 50m

Dublin

Mon 7/9

16:50-11:30

2 stops18h 40m

£443

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 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 £42 to £120.
The lowest price recently found on this route was £33.

What is the cheapest month to fly to Dublin?

In general, June 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 £40. If you aren’t able to travel to Dublin during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £46.

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 £49. 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 Saturday because tickets tend to average around £74. 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 £58 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 £84 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 £60 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 £39 on momondo.

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

There are 2 cabin classes available to choose from on Cardiff 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 August 2026, prices for Cardiff to Dublin flights are approximately 0% 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	£18
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 £18. The best return flight deal from Cardiff to Dublin found on momondo in the last 72 hours is £36.

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).

Search flight deals

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 August 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 Boeing 737-800 Passenger/BBJ2 (winglets), representing 45.18% of all bookings. The subsequent popular models are ATR 72-201 / 202 at 33.89%, Boeing 737 MAX 8 at 13.95%, and Airbus A320-100/200 at 3.99%.
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 97% of the total bookings. Other popular airlines include KLM with 2% and Aer Lingus with 1%.

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 £29	Free Cancellation	Rating 6.9 5,454 reviews	Search Ryanair flights
Aer Lingus	PriceFrom £59	Free Cancellation	Rating 7.3 1,684 reviews	Search Aer Lingus flights
KLM	PriceFrom £172	Free Cancellation	Rating 7.8 1,552 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 £29. Generally, Ryanair has 1 flight on this route every week with an average price of £57. Ryanair is rated 6.9/10 by our users.

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Athlone

Carlingford

Malahide

Wicklow

Bray

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Gorey

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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 £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 28/8. 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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Ryanair flights from Cardiff to Dublin

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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?

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

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

Best price found

Fastest flight time

Direct flights

Airports in Dublin

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

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.

Get notified when prices go down

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

Find better results for your trip to Ireland

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Fly your favourite airline to Dublin

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List of cabin classes available on flights landing in Dublin. Availability may vary depending on flight origin and airline.

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