This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — DUB
16 Oct — 23 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Cardiff Wales to Dublin are usually found in June or November, booked 29 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Cardiff to Dublin
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Cardiff to Dublin
Explore the most affordable flight options available from Cardiff to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.
Thu 1/1022:50 -
Nonstop1h 05m
Mon 5/1020:45 -
Nonstop1h 00m
Deal found 14/9£30
Wed 14/1023:50 -
Nonstop1h 00m
Wed 21/1022:25 -
Nonstop1h 00m
Deal found 13/9£31
Sat 17/1007:30 -
Nonstop1h 00m
Thu 22/1021:25 -
Nonstop1h 00m
Deal found 13/9£32
Fri 2/1022:45 -
Nonstop1h 00m
Mon 5/1020:45 -
Nonstop1h 00m
Deal found 11/9£33
Tue 15/923:15 -
Nonstop1h 00m
Fri 18/921:20 -
Nonstop1h 00m
Deal found 13/9£33
Fri 9/1022:45 -
Nonstop1h 00m
Mon 12/1020:45 -
Nonstop1h 00m
Deal found 11/9£34
Wed 16/923:50 -
Nonstop1h 00m
Fri 18/921:20 -
Nonstop1h 00m
Deal found 11/9£35
Wed 16/923:50 -
Nonstop1h 00m
Wed 23/922:25 -
Nonstop1h 00m
Deal found 13/9£36
Tue 15/923:15 -
Nonstop1h 00m
Thu 17/921:25 -
Nonstop1h 00m
Deal found 11/9£36
Fri 30/1016:05 -
Nonstop1h 00m
Fri 30/1021:45 -
Nonstop1h 00m
Deal found 14/9£37
Tue 20/1023:15 -
Nonstop1h 00m
Tue 27/1020:50 -
Nonstop1h 00m
Deal found 13/9£38
Mon 14/922:10 -
Nonstop1h 05m
Fri 18/921:20 -
Nonstop1h 00m
Deal found 12/9£39
Best flights from Cardiff to Dublin
Discover carefully curated flight deals from Cardiff to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.
Tue 27/1022:15 -
Nonstop1h 00m
Fri 30/1021:45 -
Nonstop1h 00m
Deal found 14/9£30
Sat 17/1007:30 -
Nonstop1h 00m
Tue 20/1021:50 -
Nonstop1h 00m
Deal found 11/9£30
Tue 13/1023:15 -
Nonstop1h 00m
Tue 20/1021:50 -
Nonstop1h 00m
Deal found 15/9£30
Thu 1/1022:50 -
Nonstop1h 05m
Mon 5/1020:45 -
Nonstop1h 00m
Deal found 14/9£30
Mon 19/1022:10 -
Nonstop1h 05m
Thu 22/1021:25 -
Nonstop1h 00m
Deal found 13/9£30
Sat 17/1007:30 -
Nonstop1h 00m
Mon 19/1020:45 -
Nonstop1h 00m
Deal found 11/9£30
Tue 29/923:15 -
Nonstop1h 00m
Wed 30/922:25 -
Nonstop1h 00m
Deal found 15/9£30
Tue 6/1023:15 -
Nonstop1h 00m
Wed 7/1022:25 -
Nonstop1h 00m
Deal found 12/9£30
Wed 7/1023:50 -
Nonstop1h 00m
Thu 15/1021:25 -
Nonstop1h 00m
Deal found 11/9£30
Fri 23/1022:45 -
Nonstop1h 00m
Sat 24/1005:55 -
Nonstop1h 00m
Deal found 13/9£30
Wed 7/1023:50 -
Nonstop1h 00m
Wed 14/1022:25 -
Nonstop1h 00m
Deal found 14/9£30
Mon 19/1022:10 -
Nonstop1h 05m
Tue 20/1021:50 -
Nonstop1h 00m
Deal found 13/9£30
Direct flights from Cardiff to Dublin
Explore direct flight options from Cardiff to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 September 2026.
Thu 1/1022:50 -
Nonstop1h 05m
Mon 5/1020:45 -
Nonstop1h 00m
Deal found 14/9£30
Wed 14/1023:50 -
Nonstop1h 00m
Wed 21/1022:25 -
Nonstop1h 00m
Deal found 13/9£31
Sat 17/1007:30 -
Nonstop1h 00m
Tue 20/1021:50 -
Nonstop1h 00m
Deal found 13/9£32
Fri 2/1022:45 -
Nonstop1h 00m
Mon 5/1020:45 -
Nonstop1h 00m
Deal found 11/9£33
Tue 13/1023:15 -
Nonstop1h 00m
Thu 15/1021:25 -
Nonstop1h 00m
Deal found 11/9£33
Fri 9/1022:45 -
Nonstop1h 00m
Mon 12/1020:45 -
Nonstop1h 00m
Deal found 11/9£34
Sat 21/1108:15 -
Nonstop1h 00m
Sat 28/1106:50 -
Nonstop1h 00m
Deal found 13/9£36
Fri 23/1022:45 -
Nonstop1h 00m
Mon 26/1007:10 -
Nonstop1h 00m
Deal found 11/9£36
Fri 30/1016:05 -
Nonstop1h 00m
Fri 30/1021:45 -
Nonstop1h 00m
Deal found 14/9£37
Tue 20/1023:15 -
Nonstop1h 00m
Tue 27/1020:50 -
Nonstop1h 00m
Deal found 13/9£38
Thu 19/1113:25 -
Nonstop1h 00m
Sat 21/1106:50 -
Nonstop1h 00m
Deal found 11/9£39
Last-minute flights from Cardiff to Dublin
Discover last-minute flight deals from Cardiff to Dublin. Data last updated 16 September 2026 and is based on user searches.
Sun 20/921:45 -
Nonstop1h 00m
Tue 22/921:50 -
Nonstop1h 00m
Deal found 15/9£159
Thu 24/922:50 -
Nonstop1h 05m
Mon 28/920:45 -
Nonstop1h 00m
Deal found 12/9£73
Thu 24/922:50 -
Nonstop1h 05m
Sun 27/920:20 -
Nonstop1h 00m
Deal found 13/9£189
Fri 25/922:45 -
Nonstop1h 00m
Sun 27/920:20 -
Nonstop1h 00m
Deal found 15/9£107
Fri 25/922:45 -
Nonstop1h 00m
Sun 27/907:00 -
2 stops19h 55m
Deal found 15/9£148
One-way flights from Cardiff to Dublin
Search for one-way flight options from Cardiff to Dublin. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.
Mon 21/922:10 -
Nonstop1h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£15
Tue 13/1023:15 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£16
Fri 9/1022:45 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£16
Sat 14/1108:15 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£17
Thu 24/922:50 -
Nonstop1h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£18
Mon 9/1108:35 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£19
Tue 20/1023:15 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£20
Fri 18/922:45 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£21
Fri 25/922:45 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£22
Sun 11/1021:45 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£22
Fri 13/1116:05 -
Nonstop1h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 10/9£23
Find flight deals from Cardiff to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Dublin (DUB). 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 16 September 2026.
Customise your flight search to find flights from Cardiff to Dublin 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 7,457,451 searches. Data last updated 16 September 2026.
Use the filters below to find and compare flights from Cardiff to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Fri 16/10
22:45-23:45
Nonstop1h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Tue 13/10
23:15-00:15
Nonstop1h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Fri 2/10
22:45-23:45
Nonstop1h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Thu 15/10
22:50-23:55
Nonstop1h 05m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Sat 10/10
07:30-08:30
Nonstop1h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Fri 25/9
22:45-23:45
Nonstop1h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Wed 14/10
23:50-00:50
Nonstop1h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Tue 29/9
23:15-00:15
Nonstop1h 00m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Mon 12/10
22:10-23:15
Nonstop1h 05m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
CardiffDublin
CWL Cardiff Wales - DUB Dublin
CWLDUB
Cardiff Wales
Mon 5/10
22:10-23:15
Nonstop1h 05m
Dublin
Wed 31/12
00:00-00:00
Nonstop0h 00m
£16
Flights are sorted by cheapest return flights first.
Deals found on 14/9
Showing 1-10 of 23 resultsSorted by cheapest first
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2
3
Best time to book a flight from Cardiff to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Cardiff with our price prediction graph.
CWL-DUB
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 Cardiff to Dublin
How far ahead should I book a flight from Cardiff to Dublin?
To ensure you get the cheapest price possible for a flight from Cardiff to Dublin, you should look to book at least 25 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 Cardiff to Dublin?
Currently, June is the cheapest month in which you can book a flight from Cardiff to Dublin (average of £40). Flying from Cardiff to Dublin in March is currently the most expensive (average of £78). 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 CWL to DUB?
Find hourly flight availability from Cardiff to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2026.
When flying from Cardiff to Dublin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at midday.
How much does it cost for a return flight from Cardiff to Dublin?
Airfare is below average for this route at the moment.
Cardiff to Dublin flights typically cost between £33 and £79 in October.The cheapest return price found within the last 5 days was £30 on Ryanair (1 Oct–5 Oct).
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 16 September 2026.
Get a feel of what it's like to fly with Aer Lingus and Ryanair from Cardiff to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Flight crew were very nice and friendly and very professional. I enjoyed my flights.
Related info for your journey
Find useful and relevant information for your journey from Cardiff to Dublin. 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 Cardiff to Dublin flight route?
Within the past month, 854 users have taken a look at flights from Cardiff Wales to Dublin.
How long is the flight from Cardiff to Dublin?
Ryanair can get you from Cardiff to Dublin in just under 1h. Your travel time will be generally consistent. The distance from Cardiff to Dublin is about 186 mi. Generally, flights for this route are direct.
What are the cheapest airlines flying from Cardiff to Dublin round-trip?
Cheapflights users have booked flights from Cardiff to Dublin round-trip from £29. Another airline that can offer you cheap pricing is Aer Lingus. These flights start at 49% lower than the current average price 3 months from now.
What are the cheapest flights from Cardiff to Dublin?
On average you can expect to pay £71 for a flight from Cardiff to Dublin. The cheapest flight overall is £15 while the most popular route, (Cardiff Wales - Dublin) is currently priced at £28.
Can I find deals for business class flights from Cardiff to Dublin?
Yes. Cheapflights offers flight deals from Cardiff to Dublin 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 Cardiff to Dublin?
Currently, June is the cheapest month in which you can book a flight from Cardiff to Dublin (average of £40). Flying from Cardiff to Dublin in March is currently the most expensive (average of £78). 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.
Book flights to Dublin if you plan to visit one of these locations
Arklow
Cavan
Swords
Portmarnock
Athlone
Dundalk
Bray
Wicklow
Malahide
Maynooth
Drogheda
Kildare
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Fly from Cardiff to Dublin on these airlines
Choose from the following airlines for your flight from Cardiff to Dublin. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.
Browse through other flights departing from Cardiff. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.
Discover the top 2 airlines that operate flights from Cardiff to Dublin. 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 7,457,451 searches. Data last updated 16 September 2026.
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 Cardiff to Dublin?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dublin from Cardiff today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Cardiff to Dublin?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cardiff to Dublin for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Cardiff to Dublin with no change fees?
Yes, we can. To see specific flights from Cardiff to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Cardiff to Dublin become cheaper?
Yes, Cheapflights offers price alerts on Cardiff to Dublin 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.
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