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Cheap flights from Cardiff to Dublin from €18

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cardiff to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
22:50 - 23:55CWL  Cardiff Wales-DUB Dublin
1h 05mdirect
Ryanair Logo
20:45 - 21:45DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€36Ryanair
Thu, 1 Oct - Mon, 5 Oct
Ryanair Logo
23:50 - 00:50CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
22:25 - 23:25DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€36Ryanair
Wed, 14 Oct - Wed, 21 Oct
Ryanair Logo
07:30 - 08:30CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
21:50 - 22:50DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€37Ryanair
Sat, 17 Oct - Tue, 20 Oct
Ryanair Logo
22:45 - 23:45CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
20:45 - 21:45DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€38Ryanair
Fri, 2 Oct - Mon, 5 Oct
Ryanair Logo
23:15 - 00:15CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
21:25 - 22:25DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€39Ryanair
Tue, 13 Oct - Thu, 15 Oct
Ryanair Logo
22:45 - 23:45CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
20:45 - 21:45DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€40Ryanair
Fri, 9 Oct - Mon, 12 Oct
Ryanair Logo
22:50 - 23:55CWL  Cardiff Wales-DUB Dublin
1h 05mdirect
Ryanair Logo
20:45 - 21:45DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€41Ryanair
Thu, 1 Oct - Mon, 5 Oct
Ryanair Logo
08:15 - 09:15CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
06:50 - 07:50DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€42Ryanair
Sat, 21 Nov - Sat, 28 Nov
Ryanair Logo
22:45 - 23:45CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
07:10 - 08:10DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€42Ryanair
Fri, 23 Oct - Mon, 26 Oct
Ryanair Logo
16:05 - 17:05CWL  Cardiff Wales-DUB Dublin
1h 00mdirect
Ryanair Logo
21:45 - 22:45DUB  Dublin-CWL Cardiff Wales
1h 00mdirect
€43Ryanair
Fri, 30 Oct - Fri, 30 Oct

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Ryanair flights from Cardiff to Dublin

Our best Ryanair deals on Cardiff to Dublin flight tickets
Ryanair
29 Sept
CWL23:15Cardiff Wales
1h 00m
DUB00:15Dublin
30 Sept
DUB22:25Dublin
1h 00m
CWL23:25Cardiff Wales
€36
Ryanair
14 Oct
CWL23:50Cardiff Wales
1h 00m
DUB00:50Dublin
21 Oct
DUB22:25Dublin
1h 00m
CWL23:25Cardiff Wales
€36
Ryanair
17 Oct
CWL07:30Cardiff Wales
1h 00m
DUB08:30Dublin
20 Oct
DUB21:50Dublin
1h 00m
CWL22:50Cardiff Wales
€37

momondo Fare Finder

 
Use the filters below to find and compare flights from Cardiff to Dublin that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Thu 1/10

22:50-23:55

Nonstop1h 05m

Dublin

Mon 5/10

20:45-21:45

Nonstop1h 00m

€36
Fastest return journey

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Wed 14/10

23:50-00:50

Nonstop1h 00m

Dublin

Wed 21/10

22:25-23:25

Nonstop1h 00m

€36

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Sat 17/10

07:30-08:30

Nonstop1h 00m

Dublin

Tue 20/10

21:50-22:50

Nonstop1h 00m

€37

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Fri 2/10

22:45-23:45

Nonstop1h 00m

Dublin

Mon 5/10

20:45-21:45

Nonstop1h 00m

€38

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Tue 13/10

23:15-00:15

Nonstop1h 00m

Dublin

Thu 15/10

21:25-22:25

Nonstop1h 00m

€39

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Fri 9/10

22:45-23:45

Nonstop1h 00m

Dublin

Mon 12/10

20:45-21:45

Nonstop1h 00m

€40

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Thu 1/10

22:50-23:55

Nonstop1h 05m

Dublin

Mon 5/10

20:45-21:45

Nonstop1h 00m

€41

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Sat 21/11

08:15-09:15

Nonstop1h 00m

Dublin

Sat 28/11

06:50-07:50

Nonstop1h 00m

€42

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Fri 23/10

22:45-23:45

Nonstop1h 00m

Dublin

Mon 26/10

07:10-08:10

Nonstop1h 00m

€42

CardiffDublin

CWL Cardiff Wales - DUB Dublin

CWLDUB

Cardiff Wales

Fri 30/10

16:05-17:05

Nonstop1h 00m

Dublin

Fri 30/10

21:45-22:45

Nonstop1h 00m

€43

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?

Prices are currently low for flights on this route.

Typical prices usually range from €38 to €93.
The lowest price recently found on this route was €36.

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of June, then book flights to Dublin from Cardiff during November instead. Flights to Dublin in November, while not as cheap as those in June, still average around €53.

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 €66 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 €44 on momondo.

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

There is only 1 cabin class 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 September 2026, prices for Cardiff to Dublin flights are approximately 11% cheaper 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?

    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
Cavan
Dundalk
Swords
Wicklow
Bray
Gorey
Naas
Kildare
Tullamore
Leixlip
Maynooth
Mullingar
Castleknock
Malahide
Enniscorthy
Carlingford
Thurles
Drogheda

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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