Find flights
When to book
Airlines
FAQs

Cheap flights from Dublin to Cardiff

DUB — CWL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Popular in

April

Cheapest in

September

Average price

C$ 97
Highest demand for flights based on searches. 23% potential increase in price (C$ 72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 29 August 2025.

The price you pay for your flight from Dublin to Cardiff may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 11 September 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 10% on flights from Dublin to Cardiff by exploring options for tickets in the morning.

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 11 September 2025.
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
6.8
Okay
5,158 reviews
Check prices

Food

6.0

Boarding

6.7

Overall

6.8

Entertainment

5.6

Crew

7.5

Comfort

6.5

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
5,158 reviews
Ryanair
6.8
Okay
5,158 reviews
Check prices

Food

6.0

Boarding

6.7

Overall

6.8

Entertainment

5.6

Crew

7.5

Comfort

6.5

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?

    This flight path from Dublin to Cardiff Wales was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Flying on Ryanair is currently your cheapest option to Cardiff, with prices starting at C$ 53. Users have found that Ryanair is 68% cheaper than the other options available to this destination.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Cardiff by adding a car rental and/or hotel reservation to your travel itinerary.
Cardiff car rentals
Cardiff Wales Airport car rentals
Bristol Airport car rentals
Swansea car rentals

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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapestC$ 53AverageC$ 104FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Millions of users choose and trust Cheapflights to book the best flight deals from Dublin to Cardiff for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Cardiff from Dublin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Dublin to Cardiff flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.