$28 Cheap Flights from Cardiff (CWL) to Dublin (DUB)

View $28 flight on Mon, Nov 24, 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 $28 for one-way flights and $65 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Sat, Sep 27 - Sun, Sep 28
CWL
Cardiff
DUB
Dublin
$65 Roundtrip, found 1 day ago
$65
Roundtrip
found 1 day ago
Select Ryanair flight, departing Sat, Sep 27 from Cardiff to Dublin, returning Sun, Sep 28, priced at $65 found 1 day ago
Ryanair
Tue, Sep 23 - Sat, Sep 27
CWL
Cardiff
DUB
Dublin
$66 Roundtrip, found 1 day ago
$66
Roundtrip
found 1 day ago
Select Ryanair flight, departing Tue, Sep 23 from Cardiff to Dublin, returning Sat, Sep 27, priced at $66 found 1 day ago
Ryanair
Fri, Sep 12 - Sun, Sep 14
CWL
Cardiff
DUB
Dublin
$67 Roundtrip, found 13 hours ago
$67
Roundtrip
found 13 hours ago
Select Ryanair flight, departing Fri, Sep 12 from Cardiff to Dublin, returning Sun, Sep 14, priced at $67 found 13 hours ago
Ryanair
Fri, Sep 19 - Mon, Sep 22
CWL
Cardiff
DUB
Dublin
$68 Roundtrip, found 1 day ago
$68
Roundtrip
found 1 day ago
Select Ryanair flight, departing Fri, Sep 19 from Cardiff to Dublin, returning Mon, Sep 22, priced at $68 found 1 day ago
Ryanair
Sat, Sep 13 - Fri, Sep 19
CWL
Cardiff
DUB
Dublin
$70 Roundtrip, found 5 days ago
$70
Roundtrip
found 5 days ago
Select Ryanair flight, departing Sat, Sep 13 from Cardiff to Dublin, returning Fri, Sep 19, priced at $70 found 5 days ago
Ryanair
Fri, Nov 21 - Mon, Nov 24
CWL
Cardiff
DUB
Dublin
$71 Roundtrip, found 1 day ago
$71
Roundtrip
found 1 day ago
Select Ryanair flight, departing Fri, Nov 21 from Cardiff to Dublin, returning Mon, Nov 24, priced at $71 found 1 day ago
Ryanair
Sat, Sep 27 - Mon, Sep 29
CWL
Cardiff
DUB
Dublin
$73 Roundtrip, found 4 days ago
$73
Roundtrip
found 4 days ago
Select Ryanair flight, departing Sat, Sep 27 from Cardiff to Dublin, returning Mon, Sep 29, priced at $73 found 4 days ago
KLM
Mon, Feb 9 - Mon, Feb 23
CWL
Cardiff
DUB
Dublin
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Feb 9 from Cardiff to Dublin, returning Mon, Feb 23, priced at $278 found 2 days ago
British Airways
Sun, Nov 23 - Tue, Dec 9
CWL
Cardiff
DUB
Dublin
$590 Roundtrip, found 3 days ago
$590
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Nov 23 from Cardiff to Dublin, returning Tue, Dec 9, priced at $590 found 3 days ago
Air France
Fri, Jun 26 - Sat, Jun 27
CWL
Cardiff
DUB
Dublin
$916 Roundtrip, found 2 days ago
$916
Roundtrip
found 2 days ago
Select Air France flight, departing Fri, Jun 26 from Cardiff to Dublin, returning Sat, Jun 27, priced at $916 found 2 days ago

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

August is typically the cheapest month to fly

From $62 - $397 per traveler.

Graph displaying average flight prices per month

Alternative airports near Dublin

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

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $66
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $66
0
Flights from Cardiff (CWL) to Dublin (DUB)
Origin airport
Cardiff Intl.
Destination airport
Dublin
Airlines serving
Ryanair
Roundtrip price
$65
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 September. 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 $28 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?
Snag a cheap one-way flight from $28 or cheap return flight from $65 from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
September is the least expensive month to fly from CWL to DUB. Traveling during an off-peak travel window is often the key to scoring lower fares.
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 Cardiff Intl. Airport (CWL) to Dublin Airport (DUB)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from CWL to DUB. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
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.