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

View $31 flight on Tue, Sep 16, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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
Tue, May 6 - Sat, May 10
CWL
Cardiff
DUB
Dublin
$60 Roundtrip, found 4 days ago
$60
Roundtrip
found 4 days ago
Select Ryanair flight, departing Tue, May 6 from Cardiff to Dublin, returning Sat, May 10, priced at $60 found 4 days ago
Ryanair
Thu, May 8 - Sun, May 25
CWL
Cardiff
DUB
Dublin
$60 Roundtrip, found 6 days ago
$60
Roundtrip
found 6 days ago
Select Ryanair flight, departing Thu, May 8 from Cardiff to Dublin, returning Sun, May 25, priced at $60 found 6 days ago
Ryanair
Thu, May 29 - Thu, Jun 5
CWL
Cardiff
DUB
Dublin
$63 Roundtrip, found 2 days ago
$63
Roundtrip
found 2 days ago
Select Ryanair flight, departing Thu, May 29 from Cardiff to Dublin, returning Thu, Jun 5, priced at $63 found 2 days ago
Ryanair
Sat, Jun 7 - Thu, Jun 12
CWL
Cardiff
DUB
Dublin
$66 Roundtrip, found 8 hours ago
$66
Roundtrip
found 8 hours ago
Select Ryanair flight, departing Sat, Jun 7 from Cardiff to Dublin, returning Thu, Jun 12, priced at $66 found 8 hours ago
Ryanair
Thu, Jun 12 - Tue, Jun 17
CWL
Cardiff
DUB
Dublin
$66 Roundtrip, found 1 day ago
$66
Roundtrip
found 1 day ago
Select Ryanair flight, departing Thu, Jun 12 from Cardiff to Dublin, returning Tue, Jun 17, priced at $66 found 1 day ago
Ryanair
Sun, Jun 15 - Tue, Jul 8
CWL
Cardiff
DUB
Dublin
$75 Roundtrip, found 3 hours ago
$75
Roundtrip
found 3 hours ago
Select Ryanair flight, departing Sun, Jun 15 from Cardiff to Dublin, returning Tue, Jul 8, priced at $75 found 3 hours ago
Ryanair
Fri, Jun 13 - Sun, Jun 15
CWL
Cardiff
DUB
Dublin
$91 Roundtrip, found 2 days ago
$91
Roundtrip
found 2 days ago
Select Ryanair flight, departing Fri, Jun 13 from Cardiff to Dublin, returning Sun, Jun 15, priced at $91 found 2 days ago
Aer Lingus
Thu, May 22 - Sun, May 25
CWL
Cardiff
DUB
Dublin
$99 Roundtrip, found 6 days ago
$99
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Thu, May 22 from Cardiff to Dublin, returning Sun, May 25, priced at $99 found 6 days ago
KLM
Wed, Jun 11 - Wed, Jun 18
CWL
Cardiff
DUB
Dublin
$377 Roundtrip, found 1 day ago
$377
Roundtrip
found 1 day ago
Select KLM flight, departing Wed, Jun 11 from Cardiff to Dublin, returning Wed, Jun 18, priced at $377 found 1 day ago
Air France
Thu, Jun 12 - Tue, Jun 17
CWL
Cardiff
DUB
Dublin
$737 Roundtrip, found 1 day ago
$737
Roundtrip
found 1 day ago
Select Air France flight, departing Thu, Jun 12 from Cardiff to Dublin, returning Tue, Jun 17, priced at $737 found 1 day ago

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB) cost?
Discover the latest flight deals from CWL to DUB by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
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 $31. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CWL on July 8 2025. Prices were last updated on April 25 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.
*Available to One Key members.