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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 19/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Cardiff to Dublin

Cheap return flights

These are some of the best return flight deals from Cardiff to Dublin that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Cardiff to Dublin.

Cheap last-minute flights

Planning a quick getaway from Cardiff to Dublin? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Dublin, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Cardiff to Dublin

Find recent round-trip train or bus tickets from Cardiff to Dublin.

All round-trip flight deals to Dublin

The cheapest plane tickets to Dublin found on KAYAK recently.
09:45 - 10:45CWL-DUB
1h 00mdirect
11:50 - 12:50DUB-CWL
1h 00mdirect
£53Ryanair
Find Deal
Sat, 11 Jan - Mon, 13 Jan
09:45 - 10:45CWL-DUB
1h 00mdirect
08:20 - 09:20DUB-CWL
1h 00mdirect
£57Ryanair
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Sat, 4 Jan - Sat, 11 Jan
23:10 - 00:10CWL-DUB
1h 00mdirect
12:00 - 13:00DUB-CWL
1h 00mdirect
£61Ryanair
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Fri, 21 Feb - Sun, 23 Feb
16:10 - 17:10CWL-DUB
1h 00mdirect
06:55 - 07:55DUB-CWL
1h 00mdirect
£63Ryanair
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Fri, 10 Jan - Sun, 12 Jan
09:45 - 10:45CWL-DUB
1h 00mdirect
22:45 - 16:20DUB-CWL
17h 35m2 stops
Sat, 11 Jan - Sun, 12 Jan
09:45 - 10:45CWL-DUB
1h 00mdirect
08:10 - 15:40DUB-CWL
7h 30m1 stop
Sat, 18 Jan - Sat, 25 Jan
17:25 - 08:05CWL-DUB
14h 40m1 stop
05:55 - 09:50DUB-CWL
3h 55m1 stop
£207KLM
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Fri, 14 Feb - Mon, 17 Feb
17:25 - 08:05CWL-DUB
14h 40m1 stop
17:25 - 09:55DUB-CWL
16h 30m1 stop
£269KLM
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Fri, 21 Feb - Mon, 24 Feb
12:00 - 21:15CWL-DUB
9h 15m2 stops
15:20 - 11:30DUB-CWL
20h 10m2 stops
£474Aer Lingus
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Sat, 25 Jan - Sun, 26 Jan
12:00 - 09:20CWL-DUB
21h 20m2 stops
16:45 - 11:30DUB-CWL
18h 45m2 stops
£482Aer Lingus
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Sat, 15 Mar - Tue, 18 Mar
08:20 - 09:20CWL-DUB
1h 00mdirect
£17Ryanair
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Sun, 19 Jan
23:10 - 00:10CWL-DUB
1h 00mdirect
£18Ryanair
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Fri, 21 Feb
14:15 - 15:20CWL-DUB
1h 05mdirect
£46Aer Lingus
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Thu, 20 Feb
17:00 - 07:45CWL-DUB
14h 45m1 stop
Thu, 16 Jan
17:25 - 08:05CWL-DUB
14h 40m1 stop
£102KLM
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Tue, 18 Mar
17:15 - 22:25CWL-DUB
5h 10m1 stop
£107KLM
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Mon, 16 Jun
12:00 - 08:05CWL-DUB
20h 05m2 stops
Tue, 18 Feb
12:00 - 19:55CWL-DUB
7h 55m2 stops
£133Aer Lingus
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Wed, 15 Jan
17:15 - 22:40CWL-DUB
29h 25m2 stops
£243Air France
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Mon, 9 Jun
17:15 - 22:40CWL-DUB
29h 25m2 stops
£244Air France
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Mon, 9 Jun
08:20 - 09:20CWL-DUB
1h 00mdirect
06:00 - 23:35DUB-CWL
17h 35m2 stops
Sun, 22 Dec - Tue, 24 Dec
10:20 - 22:35CWL-DUB
12h 15m2 stops
17:25 - 09:50DUB-CWL
16h 25m1 stop
Sun, 22 Dec - Tue, 24 Dec
08:20 - 09:20CWL-DUB
1h 00mdirect
08:20 - 09:20DUB-CWL
1h 00mdirect
£32Ryanair
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Sun, 5 Jan - Sat, 11 Jan
09:45 - 10:45CWL-DUB
1h 00mdirect
11:50 - 12:50DUB-CWL
1h 00mdirect
£34Ryanair
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Sat, 4 Jan - Mon, 6 Jan
13:15 - 14:15CWL-DUB
1h 00mdirect
14:45 - 15:45DUB-CWL
1h 00mdirect
£41Ryanair
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Mon, 6 Jan - Fri, 10 Jan
09:45 - 10:45CWL-DUB
1h 00mdirect
06:55 - 07:55DUB-CWL
1h 00mdirect
£44Ryanair
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Sat, 25 Jan - Sun, 26 Jan
09:45 - 10:45CWL-DUB
1h 00mdirect
11:50 - 12:50DUB-CWL
1h 00mdirect
£53Ryanair
Find Deal
Sat, 11 Jan - Mon, 13 Jan
09:45 - 10:45CWL-DUB
1h 00mdirect
08:20 - 09:20DUB-CWL
1h 00mdirect
£57Ryanair
Find Deal
Sat, 4 Jan - Sat, 11 Jan
23:10 - 00:10CWL-DUB
1h 00mdirect
12:00 - 13:00DUB-CWL
1h 00mdirect
£61Ryanair
Find Deal
Fri, 21 Feb - Sun, 23 Feb
16:10 - 17:10CWL-DUB
1h 00mdirect
06:55 - 07:55DUB-CWL
1h 00mdirect
£63Ryanair
Find Deal
Fri, 10 Jan - Sun, 12 Jan
16:10 - 17:10CWL-DUB
1h 00mdirect
06:55 - 07:55DUB-CWL
1h 00mdirect
£67Ryanair
Find Deal
Fri, 24 Jan - Sun, 26 Jan
16:10 - 17:10CWL-DUB
1h 00mdirect
06:55 - 07:55DUB-CWL
1h 00mdirect
£76Ryanair
Find Deal
Fri, 14 Feb - Sun, 16 Feb

Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets
Ryanair
11 Jan
CWL09:45Cardiff Wales
1h 00m
DUB10:45Dublin
13 Jan
DUB11:50Dublin
1h 00m
CWL12:50Cardiff Wales
Ryanair
4 Jan
CWL09:45Cardiff Wales
1h 00m
DUB10:45Dublin
11 Jan
DUB08:20Dublin
1h 00m
CWL09:20Cardiff Wales
Ryanair
21 Feb
CWL23:10Cardiff Wales
1h 00m
DUB00:10Dublin
23 Feb
DUB12:00Dublin
1h 00m
CWL13:00Cardiff Wales

KLM flights from Cardiff to Dublin

Our best KLM deals on Cardiff to Dublin flight tickets
KLM
14 Feb
CWL17:25Cardiff Wales
14h 40m
1 stop
DUB08:05Dublin
17 Feb
DUB05:55Dublin
3h 55m
1 stop
CWL09:50Cardiff Wales
KLM
21 Feb
CWL17:25Cardiff Wales
14h 40m
1 stop
DUB08:05Dublin
24 Feb
DUB17:25Dublin
16h 30m
1 stop
CWL09:55Cardiff Wales
KLM
11 Jan
CWL17:25Cardiff Wales
14h 40m
1 stop
DUB08:05Dublin
12 Jan
DUB13:25Dublin
20h 25m
1 stop
CWL09:50Cardiff Wales

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?

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 £53. If you aren’t able to travel to Dublin during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of £67.

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 Sunday. momondo users have found tickets for Sunday departures for as low as £72. 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 Thursday because tickets tend to average around £172. 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 £68 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £139 on average. Flights to Dublin from Cardiff in the morning 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 36 days ahead of your departure date. In general, you can expect to find flights to Dublin for around £92 when searching 36 days out. In the past 72 hours, momondo users found flights from Cardiff to Dublin for as low as £38.

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

There are 1 cabin classes 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.

Can stopping save me money on Cardiff to Dublin flights?

You could potentially save up to 340% on your flight if you consider stops on a Cardiff to Dublin flight.

How have Cardiff to Dublin flight prices changed over time?

As of December 2024, prices for Cardiff to Dublin flights are approximately 21% 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

£17

Fastest flight time

1h 00m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Dublin

1 airport
The best one-way flight to Dublin from Cardiff in the past 72 hours is £17. The best return flight deal from Cardiff to Dublin found on momondo in the last 72 hours is £53.
The fastest flight from Cardiff to Dublin takes 1h 00m
Direct flights go from Cardiff to Dublin on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Ryanair and Aer Lingus..
There is 1 airport near Dublin: Dublin (DUB)

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £30Free CancellationRating
6.8
5,207 reviews
Search Ryanair flights
Aer LingusPriceFrom £72Free CancellationRating
7.1
1,078 reviews
Search Aer Lingus flights
KLMPriceFrom £162Free CancellationRating
7.8
1,349 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 £39. Generally, Ryanair has 1 flight on this route every week with an average price of £80. Ryanair is rated 6.8/10 by our users.


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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