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Cheap flights from Cardiff to Dublin from €21

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 16/9. 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 (CWL-DUB)

Cheap return flights

Ryanair Logo
13:10 - 14:10CWL-DUB
1h 00mdirect
Ryanair Logo
11:45 - 12:45DUB-CWL
1h 00mdirect
€40Ryanair
Find Deal
Mon, 15 Sep - Mon, 22 Sep
Ryanair Logo
16:20 - 17:20CWL-DUB
1h 00mdirect
Ryanair Logo
06:25 - 07:25DUB-CWL
1h 00mdirect
€43Ryanair
Find Deal
Tue, 7 Oct - Thu, 9 Oct
Ryanair Logo
07:55 - 08:55CWL-DUB
1h 00mdirect
Ryanair Logo
09:35 - 10:35DUB-CWL
1h 00mdirect
€45Ryanair
Find Deal
Thu, 11 Sep - Sun, 14 Sep
Ryanair Logo
13:10 - 14:10CWL-DUB
1h 00mdirect
Ryanair Logo
11:00 - 12:00DUB-CWL
1h 00mdirect
€57Ryanair
Find Deal
Mon, 22 Sep - Fri, 26 Sep
Ryanair Logo
13:10 - 14:10CWL-DUB
1h 00mdirect
Ryanair Logo
14:55 - 15:55DUB-CWL
1h 00mdirect
€58Ryanair
Find Deal
Mon, 13 Oct - Tue, 14 Oct
Ryanair Logo
07:55 - 08:55CWL-DUB
1h 00mdirect
Ryanair Logo
09:35 - 10:35DUB-CWL
1h 00mdirect
€59Ryanair
Find Deal
Thu, 25 Sep - Sun, 28 Sep
Ryanair Logo
16:20 - 17:20CWL-DUB
1h 00mdirect
Ryanair Logo
06:30 - 07:30DUB-CWL
1h 00mdirect
€60Ryanair
Find Deal
Tue, 14 Oct - Sat, 18 Oct
Ryanair Logo
13:10 - 14:10CWL-DUB
1h 00mdirect
Ryanair Logo
11:45 - 12:45DUB-CWL
1h 00mdirect
€61Ryanair
Find Deal
Mon, 1 Sep - Mon, 8 Sep
Logo
11:00 - 12:00CWL-DUB
1h 00mdirect
Logo
11:10 - 09:15DUB-CWL
22h 05m1 stop
€123
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Sun, 14 Sep - Sat, 27 Sep
Logo
16:20 - 17:20CWL-DUB
1h 00mdirect
Logo
05:55 - 16:45DUB-CWL
10h 50m1 stop
€124
Find Deal
Tue, 7 Oct - Thu, 9 Oct

Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets
Ryanair
15 Sept
CWL13:10Cardiff Wales
1h 00m
DUB14:10Dublin
22 Sept
DUB11:45Dublin
1h 00m
CWL12:45Cardiff Wales
€40
Find similar
Ryanair
7 Oct
CWL16:20Cardiff Wales
1h 00m
DUB17:20Dublin
9 Oct
DUB06:25Dublin
1h 00m
CWL07:25Cardiff Wales
€43
Find similar
Ryanair
11 Sept
CWL07:55Cardiff Wales
1h 00m
DUB08:55Dublin
14 Sept
DUB09:35Dublin
1h 00m
CWL10:35Cardiff Wales
€45
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 20 August 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

Mon 15/9

13:10-14:10

Nonstop1h 00m

Dublin

Mon 22/9

11:45-12:45

Nonstop1h 00m

€40

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 7/10

16:20-17:20

Nonstop1h 00m

Dublin

Thu 9/10

06:25-07:25

Nonstop1h 00m

€43

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 11/9

07:55-08:55

Nonstop1h 00m

Dublin

Sun 14/9

09:35-10:35

Nonstop1h 00m

€45

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 22/9

13:10-14:10

Nonstop1h 00m

Dublin

Fri 26/9

11:00-12:00

Nonstop1h 00m

€57

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 13/10

13:10-14:10

Nonstop1h 00m

Dublin

Tue 14/10

14:55-15:55

Nonstop1h 00m

€58

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Thu 25/9

07:55-08:55

Nonstop1h 00m

Dublin

Sun 28/9

09:35-10:35

Nonstop1h 00m

€59

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 14/10

16:20-17:20

Nonstop1h 00m

Dublin

Sat 18/10

06:30-07:30

Nonstop1h 00m

€60

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Mon 1/9

13:10-14:10

Nonstop1h 00m

Dublin

Mon 8/9

11:45-12:45

Nonstop1h 00m

€61

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Sun 14/9

11:00-12:00

Nonstop1h 00m

Dublin

Sat 27/9

11:10-09:15

1 stop22h 05m

€123

CardiffDublin

CWL - DUB

CWLDUB

Cardiff Wales

Tue 7/10

16:20-17:20

Nonstop1h 00m

Dublin

Thu 9/10

05:55-16:45

1 stop10h 50m

€124

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Cardiff and Dublin?

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 €75.

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 €56 on momondo.

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.

How have Cardiff to Dublin flight prices changed over time?

As of August 2025, prices for Cardiff to Dublin flights are approximately 58% 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

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Dublin

1 airport
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. There are no airlines offering direct flights..
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
Swords
Cavan
Dundalk
Enniscorthy
Tullamore
Kildare
Naas
Mullingar
Arklow
Maynooth
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
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.

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