Cheap flights from Dublin (DUB) to Cardiff (CWL)
DUB — CWL
Oct 17 — Oct 241
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Dublin to Cardiff Wales are usually found in September or October, booked 22 days in advance, depart on a Tuesday or Thursday and return on a Monday
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 September 17, 2025.
Popular in | April |
|---|---|
Cheapest in | September |
Average price | $68 |
Good round-trip deal | $64 or less |
Good one-way deal | $20 or less |
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 September 12, 2025.
To ensure you get the cheapest price possible for a flight from Dublin to Cardiff, you should look to book at least 22 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, February is the cheapest month in which you can book a flight from Dublin to Cardiff (average of $773). Flying from Dublin to Cardiff in June is currently the most expensive (average of $1,622). 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 September 17, 2025.
When flying from Dublin to Cardiff, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 32% versus a flight 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 September 17, 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.
Entertainment
5.6
Comfort
6.5
Overall
6.8
Crew
7.5
Boarding
6.7
Food
6.0
Reviews
1 / 20
4.0
OkayMark,May 2025
BCN - STN
Entertainment
5.6
Comfort
6.5
Overall
6.8
Crew
7.5
Boarding
6.7
Food
6.0
Reviews
1 / 20
4.0
OkayMark,May 2025
BCN - STN
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.
Traveling to a place near Cardiff?
Book flights to Cardiff if you plan to visit one of these locationsBarry
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Alternative routes for Dublin to Cardiff
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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 September 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$87 | FlexibilityNo cancel fee | On-timeN/A |