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Cheap flights from Dublin to Cardiff from £13

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — CWL
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Cardiff

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Cardiff
Explore the most affordable flight options available from Dublin to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Sat 5/905:55 -
Nonstop1h 00m
Wed 9/923:50 -
Nonstop1h 00m
Deal found 10/8£26
Fri 11/921:20 -
Nonstop1h 00m
Wed 16/923:50 -
Nonstop1h 00m
Deal found 10/8£27
Thu 3/921:25 -
Nonstop1h 00m
Sun 6/921:45 -
Nonstop1h 00m
Deal found 6/8£29
Thu 3/921:25 -
Nonstop1h 00m
Mon 7/922:10 -
Nonstop1h 05m
Deal found 10/8£30
Wed 2/922:25 -
Nonstop1h 00m
Thu 3/922:50 -
Nonstop1h 05m
Deal found 10/8£31
Tue 1/921:50 -
Nonstop1h 00m
Thu 3/922:50 -
Nonstop1h 05m
Deal found 9/8£32
Sat 29/805:55 -
Nonstop1h 00m
Mon 31/822:25 -
Nonstop1h 00m
Deal found 6/8£33
Tue 18/821:50 -
Nonstop1h 00m
Tue 25/823:15 -
Nonstop1h 00m
Deal found 9/8£33
Thu 10/921:25 -
Nonstop1h 00m
Thu 17/922:50 -
Nonstop1h 05m
Deal found 10/8£34
Thu 20/821:25 -
Nonstop1h 00m
Fri 21/822:45 -
Nonstop1h 00m
Deal found 10/8£35
Sat 22/805:55 -
Nonstop1h 00m
Sun 30/821:45 -
Nonstop1h 00m
Deal found 7/8£36

Find flight deals from Dublin to Cardiff

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 August 2026.

Round-trip from

£26

One-way from

£13

Popular in

February

Cheapest in

January

Average price

£43
Ryanair
  • Ryanair
  • 5/9-8/9
  • Nonstop
  • 2h 00m total
  • Dublin to Cardiff
Search Deals
Ryanair
  • Ryanair
  • 9/9
  • Nonstop
  • 1h 00m total
  • Dublin to Cardiff
Search Deals
Highest demand for flights based on searches. 46% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 39% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 10 August 2026.
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

Cheapest return flight
Fastest return journey

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Wed 2/9

22:25-23:25

Nonstop1h 00m

Cardiff Wales

Fri 4/9

22:45-23:45

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Tue 8/9

21:50-22:50

Nonstop1h 00m

Cardiff Wales

Wed 9/9

23:50-00:50

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Mon 7/9

20:45-21:45

Nonstop1h 00m

Cardiff Wales

Tue 22/9

23:15-00:15

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Wed 16/9

22:25-23:25

Nonstop1h 00m

Cardiff Wales

Fri 18/9

22:45-23:45

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Fri 4/9

21:20-22:20

Nonstop1h 00m

Cardiff Wales

Mon 21/9

22:10-23:15

Nonstop1h 05m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Tue 8/9

21:50-22:50

Nonstop1h 00m

Cardiff Wales

Fri 18/9

22:45-23:45

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Fri 11/9

21:20-22:20

Nonstop1h 00m

Cardiff Wales

Sun 13/9

21:45-22:45

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Thu 3/9

21:25-22:25

Nonstop1h 00m

Cardiff Wales

Sun 6/9

21:45-22:45

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Fri 4/9

21:20-22:20

Nonstop1h 00m

Cardiff Wales

Sun 6/9

21:45-22:45

Nonstop1h 00m

£26

DublinCardiff

DUB Dublin - CWL Cardiff Wales

DUBCWL

Dublin

Mon 21/9

20:45-21:45

Nonstop1h 00m

Cardiff Wales

Mon 28/9

22:10-23:15

Nonstop1h 05m

£26

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Dublin to Cardiff

Have a flexible travel schedule? Discover the best time to fly to Cardiff from Dublin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Cardiff

What is the cheapest month to book a flight from Dublin to Cardiff?

Currently, January is the cheapest month in which you can book a flight from Dublin to Cardiff (average of £28). Flying from Dublin to Cardiff in February is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to CWL?

Find hourly flight availability from Dublin to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 August 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 66% on flights from Dublin to Cardiff by exploring options for tickets at midday.

How much does it cost for a return flight from Dublin to Cardiff?

Airfare is below average for this route at the moment.

Dublin to Cardiff flights typically cost between £30 and £60 in September.
The cheapest return price found within the last 5 days was £26 on Ryanair (5 Sept–8 Sept).

Reviews of airlines servicing Cardiff

Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated 10 August 2026.
Get a feel of what it's like to fly with Ryanair from Dublin to Cardiff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,462 reviews
Check prices

Entertainment

5.7

Crew

7.5

Food

6.0

Boarding

6.7

Overall

6.9

Comfort

6.5

Reviews

1 / 20
4.0
Okay

Rachel,Aug 2024

ALC - CWL

The staff were great but the queue for check in was ridiculous.
Ryanair
6.9
Okay
5,462 reviews
Ryanair
6.9
Okay
5,462 reviews
Check prices

Entertainment

5.7

Crew

7.5

Food

6.0

Boarding

6.7

Overall

6.9

Comfort

6.5

Reviews

1 / 20
4.0
Okay

Rachel,Aug 2024

ALC - CWL

The staff were great but the queue for check in was ridiculous.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Dublin to Cardiff flight route?

    Within the past month, 23 users have taken a look at flights from Dublin to Cardiff Wales.

  • How long is the flight from Dublin to Cardiff?

    For as low as £26, Ryanair can have you in Cardiff from Dublin in 1h. Airlines will cover a distance of 186 mi. Most flights are nonstop.

  • What is the cheapest airline to fly from Dublin to Cardiff round-trip?

    Cheapflights users have booked flights from Dublin to Cardiff round-trip from £27. You may be able to fly from Dublin to Cardiff for 57% less than the average price by searching for this airline.

  • Can I find deals for flights from Dublin to Cardiff that include hotel bookings?

    Yes. In addition to deals on Dublin to Cardiff flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Cardiff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Cardiff.

  • Can I find deals for business class flights from Dublin to Cardiff?

    Yes. Cheapflights offers flight deals from Dublin to Cardiff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to Cardiff?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Cardiff (average of £28). Flying from Dublin to Cardiff in February is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cardiff?

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

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Top airline flying from Dublin to Cardiff

Discover the top airline that operate flights from Dublin to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£43FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to Cardiff?

When you search for this flight from Dublin to Cardiff, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Cardiff?

Cheapflights helps you find that perfect flight to Cardiff from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dublin to Cardiff with no change fees?

Yes! Cheapflights helps users easily find flights from Dublin to Cardiff with no change fees.

Can Cheapflights notify me if prices for flights from Dublin to Cardiff become cheaper?

Not ready to book yet? You can track prices for flights from Dublin to Cardiff on Cheapflights with our Price Alert feature and get notified when better prices are available.

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