$31 Cheap Flights from Cardiff (CWL) to Dublin (DUB)

View $31 flight on Fri, Aug 15, 2025Opens in a new window

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

Cheap Flights from Cardiff to Dublin (CWL-DUB)

Prices were available within the past 7 days and start at $31 for one-way flights and $60 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Thu, Oct 9 - Sat, Oct 11
CWL
Cardiff
DUB
Dublin
$60 Roundtrip, found 1 day ago
$60
Roundtrip
found 1 day ago
Select Ryanair flight, departing Thu, Oct 9 from Cardiff to Dublin, returning Sat, Oct 11, priced at $60 found 1 day ago
Ryanair
Tue, Jul 29 - Thu, Jul 31
CWL
Cardiff
DUB
Dublin
$66 Roundtrip, found 3 hours ago
$66
Roundtrip
found 3 hours ago
Select Ryanair flight, departing Tue, Jul 29 from Cardiff to Dublin, returning Thu, Jul 31, priced at $66 found 3 hours ago
Ryanair
Tue, Sep 9 - Thu, Sep 11
CWL
Cardiff
DUB
Dublin
$66 Roundtrip, found 2 days ago
$66
Roundtrip
found 2 days ago
Select Ryanair flight, departing Tue, Sep 9 from Cardiff to Dublin, returning Thu, Sep 11, priced at $66 found 2 days ago
Ryanair
Sun, Aug 31 - Sun, Sep 7
CWL
Cardiff
DUB
Dublin
$67 Roundtrip, found 1 day ago
$67
Roundtrip
found 1 day ago
Select Ryanair flight, departing Sun, Aug 31 from Cardiff to Dublin, returning Sun, Sep 7, priced at $67 found 1 day ago
Ryanair
Thu, Jul 17 - Mon, Jul 21
CWL
Cardiff
DUB
Dublin
$69 Roundtrip, found 6 days ago
$69
Roundtrip
found 6 days ago
Select Ryanair flight, departing Thu, Jul 17 from Cardiff to Dublin, returning Mon, Jul 21, priced at $69 found 6 days ago
Ryanair
Thu, Aug 14 - Sun, Aug 17
CWL
Cardiff
DUB
Dublin
$71 Roundtrip, found 5 days ago
$71
Roundtrip
found 5 days ago
Select Ryanair flight, departing Thu, Aug 14 from Cardiff to Dublin, returning Sun, Aug 17, priced at $71 found 5 days ago
Ryanair
Fri, Aug 1 - Fri, Aug 8
CWL
Cardiff
DUB
Dublin
$71 Roundtrip, found 2 days ago
$71
Roundtrip
found 2 days ago
Select Ryanair flight, departing Fri, Aug 1 from Cardiff to Dublin, returning Fri, Aug 8, priced at $71 found 2 days ago
Ryanair
Thu, Aug 7 - Sat, Aug 9
CWL
Cardiff
DUB
Dublin
$73 Roundtrip, found 3 hours ago
$73
Roundtrip
found 3 hours ago
Select Ryanair flight, departing Thu, Aug 7 from Cardiff to Dublin, returning Sat, Aug 9, priced at $73 found 3 hours ago
KLM
Thu, Sep 18 - Thu, Sep 25
CWL
Cardiff
DUB
Dublin
$300 Roundtrip, found 20 hours ago
$300
Roundtrip
found 20 hours ago
Select KLM flight, departing Thu, Sep 18 from Cardiff to Dublin, returning Thu, Sep 25, priced at $300 found 20 hours ago
Air France
Thu, Sep 18 - Thu, Sep 25
CWL
Cardiff
DUB
Dublin
$658 Roundtrip, found 20 hours ago
$658
Roundtrip
found 20 hours ago
Select Air France flight, departing Thu, Sep 18 from Cardiff to Dublin, returning Thu, Sep 25, priced at $658 found 20 hours ago

Find the cheapest month to fly from Cardiff (CWL) to Dublin (DUB)

April is typically the cheapest month to fly

From $62 - $445 per traveler.

Graph displaying average flight prices per month

0
Flights from Cardiff (CWL) to Dublin (DUB)
Origin airport
Cardiff Intl.
Destination airport
Dublin
Airlines serving
Air France, KLM, Ryanair
Roundtrip price
$60
Distance
185 mi

Cardiff to Dublin Flights

The cheapest times to fly from Cardiff to Dublin

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 Cardiff to Dublin are during the month of October. You can find some of the cheapest flights from Cardiff to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to Dublin

Sunday is one of the best days to book for cheap flights from Cardiff to Dublin: 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 Cardiff to Dublin

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 Cardiff to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $31 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 Cardiff to Dublin 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 Cardiff to Dublin 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.

 

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB) cost?
Pick up cheap return fares starting from $66 from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Ryanair flight leaving CWL on July 17 2025 and touching down at DUB. The price was last updated on July 9 2025 and has not changed since.
What is the cheapest month to fly from CWL to DUB?
The cheapest flights from CWL to DUB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
You can't fly direct to Dublin Airport (DUB) from Cardiff (CWL-Cardiff Intl.). However, you can easily travel to Dublin without any layovers by leaving from Bristol Intl. Airport (BRS).
What is the cheapest airline that flies from CWL to DUB?
Currently, the cheapest airline offering one-way flights from CWL to DUB is Ryanair. You can jet off on this route from $32. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CWL on September 9 2025. Prices were last updated on July 9 2025 and have not changed since.
How many flights per day from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
On average, you can choose from 4 direct flights each week from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB). To broaden your travel options, consider flights with layovers. Enter your dates on Expedia and then filter your search to show one stop or more.
What are the most popular departure times for flights from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
More people fly between CWL and DUB at 8 AM than at any other time. Looking to skip the crowds? Pick a flight outside the busiest times and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from CWL to DUB?
Friday offers the most flights from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB). Consider leaving on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
Take the earliest flight at around 8:20AM UTC+0, heading out of Cardiff Intl. Airport (CWL). You'll be flying for about 1h, arriving at Dublin Airport (DUB) at approximately 9:20AM UTC+0.
How long does it take to fly from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
Flights from CWL to DUB have an average travel time of 1 hour. The total distance between the two airports is 190 mi.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
Choose a flight from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Dublin from Cardiff Intl. Airport (CWL)?
Dublin Airport (DUB) is the only airport in Dublin with direct flights from Cardiff Intl. Airport (CWL). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB) last-minute?
Last-minute bookings from CWL to DUB are generally more expensive. For the lowest rates, start searching for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a CWL to DUB flight and hotel package?
You can save money by booking a CWL to DUB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
In most cases, you're able to cancel or reschedule your CWL to DUB flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.