$20 Cheap Flights from Dublin (DUB) to Cardiff (CWL)

View $20 flight on Thu, Apr 16, 2026Opens in a new window

Popular airlines from Dublin Airport (DUB) to Cardiff International Airport (CWL)

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Cheap Flights from Dublin to Cardiff (DUB-CWL)

Prices were available within the past 7 days and start at $20 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Sat, Apr 18 - Sun, Apr 19
DUB
Dublin
CWL
Cardiff
$43 Roundtrip, found 1 day ago
$43
Roundtrip
found 1 day ago
Select Ryanair flight, departing Sat, Apr 18 from Dublin to Cardiff, returning Sun, Apr 19, priced at $43 found 1 day ago
Ryanair
Fri, Apr 10 - Mon, Apr 13
DUB
Dublin
CWL
Cardiff
$43 Roundtrip, found 2 days ago
$43
Roundtrip
found 2 days ago
Select Ryanair flight, departing Fri, Apr 10 from Dublin to Cardiff, returning Mon, Apr 13, priced at $43 found 2 days ago
Ryanair
Fri, Jun 5 - Thu, Jun 11
DUB
Dublin
CWL
Cardiff
$47 Roundtrip, found 11 hours ago
$47
Roundtrip
found 11 hours ago
Select Ryanair flight, departing Fri, Jun 5 from Dublin to Cardiff, returning Thu, Jun 11, priced at $47 found 11 hours ago
Ryanair
Fri, May 8 - Sun, May 10
DUB
Dublin
CWL
Cardiff
$48 Roundtrip, found 5 days ago
$48
Roundtrip
found 5 days ago
Select Ryanair flight, departing Fri, May 8 from Dublin to Cardiff, returning Sun, May 10, priced at $48 found 5 days ago
Ryanair
Sat, Jun 6 - Fri, Jun 12
DUB
Dublin
CWL
Cardiff
$51 Roundtrip, found 11 hours ago
$51
Roundtrip
found 11 hours ago
Select Ryanair flight, departing Sat, Jun 6 from Dublin to Cardiff, returning Fri, Jun 12, priced at $51 found 11 hours ago
Ryanair
Fri, Mar 27 - Mon, Apr 6
DUB
Dublin
CWL
Cardiff
$56 Roundtrip, found 17 hours ago
$56
Roundtrip
found 17 hours ago
Select Ryanair flight, departing Fri, Mar 27 from Dublin to Cardiff, returning Mon, Apr 6, priced at $56 found 17 hours ago
Ryanair
Wed, Jul 15 - Wed, Jul 22
DUB
Dublin
CWL
Cardiff
$63 Roundtrip, found 3 days ago
$63
Roundtrip
found 3 days ago
Select Ryanair flight, departing Wed, Jul 15 from Dublin to Cardiff, returning Wed, Jul 22, priced at $63 found 3 days ago
Ryanair
Wed, Aug 5 - Wed, Aug 19
DUB
Dublin
CWL
Cardiff
$65 Roundtrip, found 3 days ago
$65
Roundtrip
found 3 days ago
Select Ryanair flight, departing Wed, Aug 5 from Dublin to Cardiff, returning Wed, Aug 19, priced at $65 found 3 days ago
KLM
Fri, Apr 17 - Sun, Apr 19
DUB
Dublin
CWL
Cardiff
$149 Roundtrip, found 22 hours ago
$149
Roundtrip
found 22 hours ago
Select KLM flight, departing Fri, Apr 17 from Dublin to Cardiff, returning Sun, Apr 19, priced at $149 found 22 hours ago
Air France
Wed, Oct 14 - Thu, Oct 22
DUB
Dublin
CWL
Cardiff
$370 Roundtrip, found 1 day ago
$370
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Oct 14 from Dublin to Cardiff, returning Thu, Oct 22, priced at $370 found 1 day ago

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Alternative airports near Cardiff

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bristol Intl. BRS. Cheapest option available. Average driving time to city center is 1 hour 0 minutes. Flights from $88
BRS
Bristol Intl.
Cheapest
Average driving time to city center1 h 0 min
Flights from $88

Frequently asked questions

How much does a flight from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) cost?
You can find cheap one-way flights from $20 and cheap return flights from $43 Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) with Expedia. One-way flights usually range from $49 to $1125, and return flights typically cost between $360 and $1608. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
The cheapest month to fly from DUB to CWL is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
You can fly direct from DUB to CWL on Ryanair, with around 7 flights per week.
What is the cheapest airline that flies from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
Ryanair is one of the cheapest airlines offering connecting flights from Dublin (DUB) to Cardiff Intl. (CWL), with round-trip tickets starting from around $354. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
To find a cheap flight from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
The best airline to fly with from Dublin (DUB) to Cardiff (CWL) will differ from traveler to traveler. If you like to fly early, Ryanair offers early morning flights. If price is the most important factor, Ryanair typically offers the lowest fares. Air France offers the most daily flights from DUB to CWL, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
You can find approximately 1 nonstop flights per day from (DUB) to Cardiff Intl. (CWL). For more options, look at flights that include layovers.
What is the earliest flight from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
The earliest flight from Dublin (DUB) to Cardiff (CWL) typically departs at around 5:40 AM, operated by KLM. This seasonal service is available in June, making it a great option for an early start to your trip to Wales. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
Flying nonstop from DUB to CWL takes around 1 hour, with the route covering approximately 186 miles. Flights with a layover typically take 9 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
You can fly business class between DUB and CWL. Airlines that offer business class service on this route include:

  • Air France
  • KLM
  • SAS
  • Air Baltic
  • Hop!

How do I earn miles on a Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cardiff from DUB (DUB)?
If you're planning to travel to Cardiff from DUB (DUB), you can fly into Cardiff Intl. (CWL) Some flights may connect through major hubs like Roissy-Charles de Gaulle (CDG), Kastrup (CPH), Riga Intl. (RIX) before reaching Cardiff. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) flight and hotel package?
Securing a Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) Cardiff Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin (DUB) to Cardiff (CWL-Cardiff Intl.)?
If you booked your Dublin (DUB) to Cardiff (CWL-Cardiff Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dublin
Destination airport
Cardiff Intl.
Airlines serving
Air France, KLM, Ryanair
Roundtrip price
$42
Distance
185 mi
Average flight time
1 hour 5 mins

Book with confidence

Dublin to Cardiff Flights

The cheapest times to fly from Dublin to Cardiff

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Cardiff are during the month of April. You can find some of the cheapest flights from Dublin to Cardiff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Cardiff

Sunday is one of the best days to book for cheap flights from Dublin to Cardiff: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Cardiff

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Cardiff in 2026. You can also book with separate airlines for your outbound and return journeys, from $20 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Cardiff flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Cardiff airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dublin to Cardiff Flights

*Flight schedules are subject to change.

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*Available to One Key members.