Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Cardiff to Dublin from €20

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 13/10. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Cardiff to Dublin

Cheap return flights

Ryanair Logo
12:25 - 13:25CWL-DUB
1h 00mdirect
Ryanair Logo
09:35 - 10:35DUB-CWL
1h 00mdirect
€38Ryanair
Find Deal
Fri, 17 Oct - Sun, 19 Oct
Ryanair Logo
15:55 - 17:00CWL-DUB
1h 05mdirect
Ryanair Logo
14:25 - 15:30DUB-CWL
1h 05mdirect
€41Ryanair
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Ryanair Logo
23:30 - 00:35CWL-DUB
1h 05mdirect
Ryanair Logo
22:00 - 23:05DUB-CWL
1h 05mdirect
€43Ryanair
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Ryanair Logo
09:00 - 10:00CWL-DUB
1h 00mdirect
Ryanair Logo
11:45 - 12:45DUB-CWL
1h 00mdirect
€44Ryanair
Find Deal
Sat, 11 Oct - Mon, 13 Oct
Ryanair Logo
10:30 - 11:35CWL-DUB
1h 05mdirect
Ryanair Logo
20:55 - 22:00DUB-CWL
1h 05mdirect
€46Ryanair
Find Deal
Thu, 6 Nov - Fri, 7 Nov
Ryanair Logo
12:25 - 13:25CWL-DUB
1h 00mdirect
Ryanair Logo
09:35 - 10:35DUB-CWL
1h 00mdirect
€49Ryanair
Find Deal
Fri, 3 Oct - Sun, 5 Oct
Ryanair Logo
22:25 - 23:30CWL-DUB
1h 05mdirect
Ryanair Logo
22:00 - 23:05DUB-CWL
1h 05mdirect
€55Ryanair
Find Deal
Fri, 14 Nov - Mon, 17 Nov
Ryanair Logo
22:25 - 23:30CWL-DUB
1h 05mdirect
Ryanair Logo
22:00 - 23:05DUB-CWL
1h 05mdirect
€56Ryanair
Find Deal
Fri, 21 Nov - Mon, 24 Nov
Logo
16:45 - 23:10CWL-DUB
6h 25m1 stop
Logo
18:35 - 19:40DUB-CWL
1h 05mdirect
€118
Find Deal
Tue, 2 Dec - Sat, 6 Dec
Logo
20:20 - 08:55CWL-DUB
12h 35m1 stop
Logo
08:45 - 09:50DUB-CWL
1h 05mdirect
€121
Find Deal
Thu, 23 Oct - Sun, 26 Oct

Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets
Ryanair
17 Oct
CWL12:25Cardiff Wales
1h 00m
DUB13:25Dublin
19 Oct
DUB09:35Dublin
1h 00m
CWL10:35Cardiff Wales
€38
Find similar
Ryanair
29 Oct
CWL15:55Cardiff Wales
1h 05m
DUB17:00Dublin
5 Nov
DUB14:25Dublin
1h 05m
CWL15:30Cardiff Wales
€41
Find similar
Ryanair
27 Oct
CWL23:30Cardiff Wales
1h 05m
DUB00:35Dublin
3 Nov
DUB22:00Dublin
1h 05m
CWL23:05Cardiff Wales
€43
Find similar

KLM flights from Cardiff to Dublin

Our best KLM deals on Cardiff to Dublin flight tickets
KLM
25 Sept
CWL17:15Cardiff Wales
5h 10m
1 stop
DUB22:25Dublin
28 Sept
DUB13:20Dublin
19h 55m
1 stop
CWL09:15Cardiff Wales
€317
Find similar
KLM
25 Sept
CWL17:15Cardiff Wales
5h 10m
1 stop
DUB22:25Dublin
28 Sept
DUB13:20Dublin
19h 55m
1 stop
CWL09:15Cardiff Wales
€359
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Dublin 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, momondo users made 13,528 searches. Data last updated 14 September 2025.
Use the filters below to find and compare flights from Cardiff to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 17/10

12:25-13:25

Nonstop1h 00m

Dublin

Sun 19/10

09:35-10:35

Nonstop1h 00m

€38

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Wed 29/10

15:55-17:00

Nonstop1h 05m

Dublin

Wed 5/11

14:25-15:30

Nonstop1h 05m

€41

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 27/10

23:30-00:35

Nonstop1h 05m

Dublin

Mon 3/11

22:00-23:05

Nonstop1h 05m

€43

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sat 11/10

09:00-10:00

Nonstop1h 00m

Dublin

Mon 13/10

11:45-12:45

Nonstop1h 00m

€44

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 6/11

10:30-11:35

Nonstop1h 05m

Dublin

Fri 7/11

20:55-22:00

Nonstop1h 05m

€46

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 3/10

12:25-13:25

Nonstop1h 00m

Dublin

Sun 5/10

09:35-10:35

Nonstop1h 00m

€49

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 14/11

22:25-23:30

Nonstop1h 05m

Dublin

Mon 17/11

22:00-23:05

Nonstop1h 05m

€55

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Fri 21/11

22:25-23:30

Nonstop1h 05m

Dublin

Mon 24/11

22:00-23:05

Nonstop1h 05m

€56

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 2/12

16:45-23:10

1 stop6h 25m

Dublin

Sat 6/12

18:35-19:40

Nonstop1h 05m

€118

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 23/10

20:20-08:55

1 stop12h 35m

Dublin

Sun 26/10

08:45-09:50

Nonstop1h 05m

€121

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

If you aren’t able to travel during the month of September, then book flights to Dublin from Cardiff during October instead. Flights to Dublin in October, while not as cheap as those in September, still average around €72.

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 €87 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 €51 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 September 2025, prices for Cardiff to Dublin flights are approximately 73% 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

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Dublin

1 airport
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?

    A flight from Cardiff Wales to Dublin will travel around 294.1 km. A reasonable flight in good conditions will take 1h 00m.

  • 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 refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for 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 you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cardiff to Dublin for you.

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

Yes. momondo enables you to select and highlight flights to Dublin from Cardiff with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Cardiff and alert you when they 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 14/10
Tue 21/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland