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Cardiff

Cheap flights from Dublin (DUB) to Cardiff (CWL)

DUB — CWL
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Dublin to Cardiff Wales are usually found in October or September, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

April

Cheapest in

October

Average price

$71

Good one-way deal

$50 or less
Provider with most accurate pricing for Dublin-Cardiff Wales flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Cardiff Wales flights.
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a one-way flight from Dublin to Cardiff Wales.
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Compare providers for flights from Dublin to Cardiff

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Cardiff in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-Cardiff flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dublin-Cardiff flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dublin-Cardiff flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Cardiff flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Cardiff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

How far ahead should I book a flight from Dublin to Cardiff?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Cardiff. Price data was last updated on December 19, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Cardiff, you should look to book at least 19 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Dublin to Cardiff (average of $20). Flying from Dublin to Cardiff in February is currently the most expensive (average of $57). 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 December 27, 2025.

When flying from Dublin to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 December 27, 2025.
Peruse reviews from past customers who have flown with Ryanair from Dublin to Cardiff to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.8
Okay
5,227 reviews

Entertainment

5.6

Food

6.0

Comfort

6.5

Crew

7.5

Boarding

6.7

Overall

6.8

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.
Ryanair
6.8
Okay
5,227 reviews
Ryanair
6.8
Okay
5,227 reviews

Entertainment

5.6

Food

6.0

Comfort

6.5

Crew

7.5

Boarding

6.7

Overall

6.8

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

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, 2 users have taken a look at flights from Dublin to Cardiff Wales.

  • 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 $41. Ryanair is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • 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 vacation 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, May is the cheapest month in which you can book a flight from Dublin to Cardiff (average of $20). Flying from Dublin to Cardiff in February is currently the most expensive (average of $57). 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

Traveling to a place near Cardiff?

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

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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 2,558,603 searches. Data last updated December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$41Average$85FlexibilityNo cancel feeOn-timeN/A

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