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Cheap flights from Ireland to Cardiff from €18

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Cardiff departing on 22/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Cardiff

Recent return flight deals from Ireland to Cardiff

Enter your travel dates to find the best prices.
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
Ryanair Logo
22:10 - 23:15
CWL
-
DUB
1h 05mdirect
€38Ryanair
Sat, 22 Aug - Mon, 24 Aug
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
Ryanair Logo
22:10 - 23:15
CWL
-
DUB
1h 05mdirect
€39Ryanair
Sat, 22 Aug - Mon, 24 Aug
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
Ryanair Logo
22:10 - 23:15
CWL
-
DUB
1h 05mdirect
€39Ryanair
Sat, 22 Aug - Mon, 24 Aug
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
Ryanair Logo
23:50 - 00:50
CWL
-
DUB
1h 00mdirect
€40Ryanair
Sat, 12 Sep - Wed, 16 Sep
Ryanair Logo
22:25 - 23:25
DUB
-
CWL
1h 00mdirect
Ryanair Logo
23:15 - 00:15
CWL
-
DUB
1h 00mdirect
€40Ryanair
Wed, 9 Sep - Tue, 15 Sep
Ryanair Logo
05:55 - 06:55
DUB
-
CWL
1h 00mdirect
Ryanair Logo
22:25 - 23:25
CWL
-
DUB
1h 00mdirect
€40Ryanair
Sat, 29 Aug - Mon, 31 Aug
Ryanair Logo
21:50 - 22:50
DUB
-
CWL
1h 00mdirect
Ryanair Logo
23:15 - 00:15
CWL
-
DUB
1h 00mdirect
€40Ryanair
Tue, 18 Aug - Tue, 25 Aug
Ryanair Logo
22:25 - 23:25
DUB
-
CWL
1h 00mdirect
Ryanair Logo
23:15 - 00:15
CWL
-
DUB
1h 00mdirect
€40Ryanair
Wed, 2 Sep - Tue, 15 Sep
Multiple Airlines Logo
20:15 - 09:05
DUB
-
CWL
12h 50m
1 stop
Multiple Airlines Logo
22:50 - 23:55
CWL
-
DUB
1h 05mdirect
€87Multiple Airlines
Mon, 10 Aug - Thu, 13 Aug
Multiple Airlines Logo
17:05 - 09:05
DUB
-
CWL
16h 00m
1 stop
Multiple Airlines Logo
22:45 - 23:45
CWL
-
DUB
1h 00mdirect
€91Multiple Airlines
Mon, 10 Aug - Fri, 14 Aug

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Ryanair flights from Ireland to Cardiff

Our best Ryanair deals on Ireland to Cardiff flight tickets
Ryanair
22 Aug
DUB05:55Dublin
1h 00m
CWL06:55Cardiff Wales
24 Aug
CWL22:10Cardiff Wales
1h 05m
DUB23:15Dublin
€38
Ryanair
22 Aug
DUB05:55Dublin
1h 00m
CWL06:55Cardiff Wales
24 Aug
CWL22:10Cardiff Wales
1h 05m
DUB23:15Dublin
€39
Ryanair
29 Jul
DUB21:50Dublin
1h 00m
CWL22:50Cardiff Wales
30 Jul
CWL22:50Cardiff Wales
1h 05m
DUB23:55Dublin
€40

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Cardiff 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 28 July 2026.
Use the filters below to find and compare flights from Ireland to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Sat 22/8

05:55-06:55

Nonstop1h 00m

Cardiff Wales

Mon 24/8

22:10-23:15

Nonstop1h 05m

€38

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Sat 22/8

05:55-06:55

Nonstop1h 00m

Cardiff Wales

Mon 24/8

22:10-23:15

Nonstop1h 05m

€39

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Sat 22/8

05:55-06:55

Nonstop1h 00m

Cardiff Wales

Mon 24/8

22:10-23:15

Nonstop1h 05m

€39
Fastest return journey

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Sat 12/9

05:55-06:55

Nonstop1h 00m

Cardiff Wales

Wed 16/9

23:50-00:50

Nonstop1h 00m

€40

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Wed 9/9

22:25-23:25

Nonstop1h 00m

Cardiff Wales

Tue 15/9

23:15-00:15

Nonstop1h 00m

€40

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Sat 29/8

05:55-06:55

Nonstop1h 00m

Cardiff Wales

Mon 31/8

22:25-23:25

Nonstop1h 00m

€40

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Tue 18/8

21:50-22:50

Nonstop1h 00m

Cardiff Wales

Tue 25/8

23:15-00:15

Nonstop1h 00m

€40

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Wed 2/9

22:25-23:25

Nonstop1h 00m

Cardiff Wales

Tue 15/9

23:15-00:15

Nonstop1h 00m

€40

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Mon 10/8

20:15-09:05

1 stop12h 50m

Cardiff Wales

Thu 13/8

22:50-23:55

Nonstop1h 05m

€87

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Mon 10/8

17:05-09:05

1 stop16h 00m

Cardiff Wales

Fri 14/8

22:45-23:45

Nonstop1h 00m

€91

Flights are sorted by cheapest return flights first.

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

See travel insights to Cardiff from

How to get the cheapest flight ticket from Ireland to Cardiff

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 Cardiff?

The cheapest month to fly to Cardiff from Ireland is in January. Flight prices, which tend to average around €33, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Cardiff from Ireland during May instead. Flights to Cardiff in May, while not as cheap as those in January, still average around €40.

What is the cheapest day to depart on your flight to Cardiff?

The cheapest day to depart from Ireland to Cardiff is on a Thursday. Travellers who choose to depart for Cardiff on a Thursday will often find tickets for as low as €44. On the other hand, Wednesday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €140.

What is the cheapest time of day to depart on your flight to Cardiff?

According to our data, the cheapest time of day to fly to Cardiff is in the evening. momondo users have found flights departing from Ireland to Cardiff in the evening for as low as €61. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of €140.

What is the cheapest Ireland to Cardiff Wales flight route?

Fly from Dublin to Cardiff Wales for the best Ireland - Cardiff Wales flight prices

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

There is only 1 cabin class available to choose from on Ireland to Cardiff flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ireland to Cardiff flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Cardiff

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Cardiff

1 airport
The fastest flight from Ireland to Cardiff takes 1h 00m
Direct flights go from Ireland to Cardiff every day.
There is 1 airport in Cardiff. From Ireland there are direct flights to Cardiff Wales (CWL).
Search flight deals

Frequently asked questions about flying from Ireland to Cardiff

  • When did momondo last update prices for flights from Ireland to Cardiff Wales Airport?

    Prices for flights from Ireland to Cardiff Wales Airport were last updated today.

  • How many operators does momondo search for flights from Ireland to Cardiff Wales Airport?

  • How old do you have to be to fly from Ireland to Cardiff Wales 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 Ireland to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The travel and health documents you'll need for your trip to Cardiff Wales 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 Cardiff Wales 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 Ireland to Cardiff?

Best airlines flying from Ireland to Cardiff

Compare and see reviews for airlines that fly from Ireland to Cardiff with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom €33Free CancellationRating
6.9
5,445 reviews
Search Ryanair flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cardiff from Ireland.

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

Yes. momondo allows you to filter the results for Ireland to Cardiff flights to just show those with flexible booking policies.

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

Once all potential Ireland to Cardiff flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Cardiff right now. Can momondo alert me if prices change?

Price alerts on flights to Cardiff from Ireland 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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Fly your favourite airline to Cardiff

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Ryanair
Aer Lingus