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Cheap flights from Dublin to Cardiff from £15

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Cardiff departing on 28/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Dublin to Cardiff

Cheap return flights

Ryanair Logo
06:25 - 07:25DUB-CWL
1h 00mdirect
Ryanair Logo
13:10 - 14:10CWL-DUB
1h 00mdirect
£38Ryanair
Find Deal
Thu, 25 Sep - Mon, 29 Sep
Ryanair Logo
11:45 - 12:45DUB-CWL
1h 00mdirect
Ryanair Logo
13:10 - 14:10CWL-DUB
1h 00mdirect
£40Ryanair
Find Deal
Mon, 8 Sep - Mon, 15 Sep
Ryanair Logo
06:25 - 07:25DUB-CWL
1h 00mdirect
Ryanair Logo
07:55 - 08:55CWL-DUB
1h 00mdirect
£40Ryanair
Find Deal
Thu, 11 Sep - Thu, 18 Sep
Ryanair Logo
06:25 - 07:25DUB-CWL
1h 00mdirect
Ryanair Logo
07:55 - 08:55CWL-DUB
1h 00mdirect
£46Ryanair
Find Deal
Thu, 11 Sep - Thu, 18 Sep
Ryanair Logo
06:30 - 07:30DUB-CWL
1h 00mdirect
Ryanair Logo
15:55 - 17:00CWL-DUB
1h 05mdirect
£48Ryanair
Find Deal
Sat, 18 Oct - Wed, 5 Nov
Ryanair Logo
06:30 - 07:30DUB-CWL
1h 00mdirect
Ryanair Logo
23:30 - 00:35CWL-DUB
1h 05mdirect
£50Ryanair
Find Deal
Sat, 18 Oct - Mon, 3 Nov
Ryanair Logo
06:25 - 07:25DUB-CWL
1h 00mdirect
Ryanair Logo
07:55 - 08:55CWL-DUB
1h 00mdirect
£53Ryanair
Find Deal
Thu, 28 Aug - Thu, 4 Sep
Logo
11:10 - 16:45DUB-CWL
5h 35m1 stop
Logo
07:55 - 08:55CWL-DUB
1h 00mdirect
£109
Find Deal
Thu, 11 Sep - Thu, 18 Sep
KLM Logo
17:20 - 09:15DUB-CWL
15h 55m1 stop
KLM Logo
17:15 - 08:20CWL-DUB
15h 05m1 stop
£162KLM
Find Deal
Tue, 9 Sep - Mon, 15 Sep
KLM Logo
11:10 - 16:45DUB-CWL
5h 35m1 stop
KLM Logo
17:15 - 08:20CWL-DUB
15h 05m1 stop
£172KLM
Find Deal
Thu, 11 Sep - Thu, 18 Sep

Ryanair flights from Dublin to Cardiff

Our best Ryanair deals on Dublin to Cardiff flight tickets
Ryanair
25 Sept
DUB06:25Dublin
1h 00m
CWL07:25Cardiff Wales
29 Sept
CWL13:10Cardiff Wales
1h 00m
DUB14:10Dublin
£38
Find similar
Ryanair
8 Sept
DUB11:45Dublin
1h 00m
CWL12:45Cardiff Wales
15 Sept
CWL13:10Cardiff Wales
1h 00m
DUB14:10Dublin
£40
Find similar
Ryanair
11 Sept
DUB06:25Dublin
1h 00m
CWL07:25Cardiff Wales
18 Sept
CWL07:55Cardiff Wales
1h 00m
DUB08:55Dublin
£40
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Air France flights from Dublin to Cardiff

Our best Air France deals on Dublin to Cardiff flight tickets
Air France
7 Aug
DUB15:55Dublin
24h 50m
2 stops
CWL16:45Cardiff Wales
11 Aug
CWL09:50Cardiff Wales
22h 25m
2 stops
DUB08:15Dublin
£411
Find similar
Air France
9 Aug
DUB06:00Dublin
11h 05m
2 stops
CWL17:05Cardiff Wales
11 Aug
CWL09:50Cardiff Wales
22h 25m
2 stops
DUB08:15Dublin
£544
Find similar
Air France
6 Aug
DUB15:55Dublin
24h 50m
2 stops
CWL16:45Cardiff Wales
10 Aug
CWL09:50Cardiff Wales
12h 50m
2 stops
DUB22:40Dublin
£549
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dublin 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 279,928 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Dublin to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Thu 25/9

06:25-07:25

Nonstop1h 00m

Cardiff Wales

Mon 29/9

13:10-14:10

Nonstop1h 00m

£38

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Mon 8/9

11:45-12:45

Nonstop1h 00m

Cardiff Wales

Mon 15/9

13:10-14:10

Nonstop1h 00m

£40

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Thu 11/9

06:25-07:25

Nonstop1h 00m

Cardiff Wales

Thu 18/9

07:55-08:55

Nonstop1h 00m

£40

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Thu 11/9

06:25-07:25

Nonstop1h 00m

Cardiff Wales

Thu 18/9

07:55-08:55

Nonstop1h 00m

£46

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Sat 18/10

06:30-07:30

Nonstop1h 00m

Cardiff Wales

Wed 5/11

15:55-17:00

Nonstop1h 05m

£48

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Sat 18/10

06:30-07:30

Nonstop1h 00m

Cardiff Wales

Mon 3/11

23:30-00:35

Nonstop1h 05m

£50

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Thu 28/8

06:25-07:25

Nonstop1h 00m

Cardiff Wales

Thu 4/9

07:55-08:55

Nonstop1h 00m

£53

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Thu 11/9

11:10-16:45

1 stop5h 35m

Cardiff Wales

Thu 18/9

07:55-08:55

Nonstop1h 00m

£109

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Tue 9/9

17:20-09:15

1 stop15h 55m

Cardiff Wales

Mon 15/9

17:15-08:20

1 stop15h 05m

£162

DublinCardiff

DUB - CWL

DUBCWL

Dublin

Thu 11/9

11:10-16:45

1 stop5h 35m

Cardiff Wales

Thu 18/9

17:15-08:20

1 stop15h 05m

£172

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 Cardiff from

How to get the cheapest flight ticket from Dublin 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 month of September is, on average, the cheapest month to fly to Cardiff from Dublin, with most prices found around £59. If you are unable to visit Cardiff during the month of September, then departing from Dublin during the month June is also very affordable. Most momondo users find prices during this month for around £61.

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

The cheapest day to depart from Dublin to Cardiff is on a Friday. Travellers who choose to depart for Cardiff on a Friday will often find tickets for as low as £64. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Cardiff for around £96.

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

The cheapest time of day to fly to Cardiff is in the evening when flights can be purchased for as low as £60. At midday is when there is more demand to fly to Cardiff, so prices are often more expensive at around £70 per ticket.

What is the cheapest Dublin to Cardiff Wales flight route?

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

How far in advance should I book a flight to Cardiff?

You are more likely to see cheaper flights to Cardiff from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Cardiff for around £92 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cardiff from Dublin for as low as £57 on momondo.

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

There are 1 cabin classes available to choose from on Dublin to Cardiff Wales flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dublin to Cardiff flight prices changed over time?

As of July 2025, prices for Dublin to Cardiff flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Cardiff

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Cardiff according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Cardiff (DUB to CWL) flight deals and tips

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

Best price found

£15

Fastest flight time

1h 00m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Cardiff

1 airport
The best one-way flight to Cardiff from Dublin in the past 72 hours is £15. The best return flight deal from Dublin to Cardiff found on momondo in the last 72 hours is £38.
The fastest flight from Dublin to Cardiff takes 1h 00m
Direct flights go from Dublin to Cardiff on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airline offering direct flights is Ryanair..
There is 1 airport near Cardiff: Cardiff Wales (CWL)
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  • How far is Dublin to Cardiff Wales by plane?

    The distance between Dublin and Cardiff Wales is about 182.8 mi. Typically, this will take 1h 00m by plane in normal conditions.

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

    Prices for flights from Dublin Airport to Cardiff Wales Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport 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 license 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 Dublin to Cardiff?

  • What is the most popular airline from Dublin to Cardiff?

Best airlines flying from Dublin to Cardiff

Compare and see reviews for airlines that fly from Dublin to Cardiff with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £32Free CancellationRating
6.8
5,152 reviews
Search Ryanair flights

  • Ryanair Flights From Dublin to Cardiff

    The lowest priced Ryanair flight from Dublin to Cardiff from the last 72 hours was £43. Generally, Ryanair has 2 flights on this route every week with an average price of £94. Ryanair is rated 6.8/10 by our users.

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Barry
Bridgend

Why use momondo?

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

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 Dublin to Cardiff for you.

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

Yes. All flights to Cardiff from Dublin on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Dublin and Cardiff by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Cardiff from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Cardiff 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.
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Find better results for your trip to the United Kingdom

Airports servicing Wales

Holyhead Anglesey Airport