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Cheap Flights from Cardiff to Dublin

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Deals from

Cardiff

RatePunk searches hundreds of travel sites at once for deals on flights to Dublin

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Cardiff to Dublin

Explore current cheapest deals departing from Cardiff to Dublin

Round trip

Sort by: Cheapest

June 23 - June 30

Cheapest

Earliest

CWL - Dublin

$146

$35

Round trip

June 23 - June 24

Cheapest

Best

Earliest

CWL - Dublin

$163

$35

Round trip

July 21 - July 29

Cheapest

CWL - Dublin

$128

$35

Round trip

July 21 - July 30

Cheapest

CWL - Dublin

$127

$35

Round trip

July 21 - July 31

Cheapest

CWL - Dublin

$124

$35

Round trip

July 21 - July 25

Cheapest

CWL - Dublin

$136

$35

Round trip

July 21 - July 27

Cheapest

CWL - Dublin

$131

$35

Round trip

July 21 - July 22

Cheapest

CWL - Dublin

$136

$35

Round trip

July 21 - July 23

Cheapest

CWL - Dublin

$137

$35

Round trip

July 22 - July 29

Cheapest

CWL - Dublin

$131

$35

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Cardiff to Dublin

For those seeking cheap flights from Cardiff to Dublin, prices typically range from $260–$393, with a median of $325. Right now, fares are below the typical level for this route. Only 3% of recent fares were classified as a good price, suggesting that finding exceptionally low prices can be challenging.

When is the cheapest time to fly from Cardiff to Dublin? The most affordable month to fly is typically August, with a median fare of just $125. Other relatively inexpensive months include February, where the median fare is $222, and July, with a median of $246. Planning your trip around these months could result in significant savings.

Regarding direct flights from Cardiff to Dublin, 70% of recent fares were for non-stop itineraries. However, despite this share, most itineraries still connect at least once. When connections are involved, the typical number of stopovers is 2.

How long is the flight from Cardiff to Dublin? A typical journey, including connections, takes approximately 19 hours and 0 minutes. This duration reflects the overall travel time, accounting for any layovers on connecting itineraries.

The distance between Cardiff and Dublin is approximately 300 kilometers. This classifies the route as a short-haul flight, indicating a relatively brief travel distance between the two cities.

How much is a round trip from Cardiff to Dublin

Regular price: $112 - $235

Prices for flights from Cardiff to Dublin are currently below the regular range.

The regular price range for flights from Cardiff to Dublin is between 112 USD and 235 USD. The current lowest deal is 35 USD with Ryanair, for travel from June 23 to June 30.

now $35

Low $112

High $235

The cheapest time to fly from Cardiff to Dublin

The cheapest month to fly from Cardiff to Dublin is August, with a median price of $125. The most expensive month is September, with a median price of $395. Prices are generally lower from January to October.

August

Cheapest

Flights from $125

September

Most Expensive

Flights from $395

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Direct flights from Cardiff to Dublin

Ryanair

Last-minute flights going from Cardiff to Dublin

Tue, Jun 16

⌛ Last-Minute

CWL - Dublin

Cardiff (CWL) - Dublin (DUB)

Ryanair

$183

$42

One-way

Tue, Jun 16

⌛ Last-Minute

CWL - Dublin

Cardiff (CWL) - Dublin (DUB)

Ryanair

$180

$44

One-way

Tue, Jun 16

⌛ Last-Minute

CWL - Dublin

Cardiff (CWL) - Dublin (DUB)

Ryanair

$181

$45

One-way

Wed, Jun 17

⌛ Last-Minute

CWL - Dublin

Cardiff (CWL) - Dublin (DUB)

Ryanair

$183

$43

One-way

Wed, Jun 17

⌛ Last-Minute

CWL - Dublin

Cardiff (CWL) - Dublin (DUB)

Ryanair

$181

$44

One-way

Wed, Jun 17

⌛ Last-Minute

CWL - Dublin

Cardiff (CWL) - Dublin (DUB)

Ryanair

$183

$44

One-way

Biggest price drops on these dates for flights from Cardiff to Dublin

1 night

Jun 16 - Jun 17

$183 → $42

77%

1 night

Jun 17 - Jun 18

$183 → $43

77%

2 nights

Jun 17 - Jun 19

$183 → $44

76%

3 nights

Jun 17 - Jun 20

$181 → $44

76%

Popular Airports to fly from Cardiff to Dublin

Cardiff - Dublin route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Cardiff to Dublin are below the typical level of $325.

📅 Best time to fly

August is historically the cheapest month

Historically, August is the cheapest month to fly, with a median price of $125.

⏱️ Flight duration

Connecting flights average 19h 0m

The median flight time for connecting flights from Cardiff to Dublin is 19 hours 0 minutes.

✈️ Airlines & availability

Ryanair offers direct flights

Ryanair offers direct flights on this route, with 70% of deals being connecting flights.

🏆 Airline highlight

Ryanair offers the best deal at $35

The best recent deal is $35 with Ryanair, for a 7-night trip from June 23-June 30.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, about 0.5 times per day.

Cardiff main airports to depart from

Cardiff (CWL)

Cheapest

Cardiff Airport is a convenient departure point for flights to Dublin, offering competitive prices.

📍 ~15 km from Cardiff city center (reachable by car or bus)

💸 Flights from ~$35

Dublin main airports to arrive at

Dublin (DUB)

Cheapest

Dublin Airport is a convenient arrival choice for flights from Cardiff to Dublin.

📍 ~10 km from Dublin city center (reachable by car)

💸 Flights from ~$35

Airports nearby Dublin used as alternative

Belfast International (BFS)

Belfast International is a major low-cost carrier hub with an extensive European network, though it involves crossing the border.

📍 ~145 km from Dublin (reachable by car)

💸 Flights from ~$130

Shannon (SNN)

Shannon offers significant international and transatlantic flight options, with direct motorway access from Dublin.

📍 ~195 km from Dublin (reachable by car)

💸 Flights from ~$147

George Best Belfast City (BHD)

Cheapest

George Best Belfast City is convenient for UK domestic and short-haul flights, but has a limited international network.

📍 ~140 km from Dublin (reachable by car)

💸 Flights from ~$117

Cork (ORK)

Cork is the second largest airport in the Republic of Ireland with diverse routes and a reliable road link.

📍 ~220 km from Dublin (reachable by car)

💸 Flights from ~$143

Ireland West Airport Knock (NOC)

Ireland West Airport Knock is an alternative gateway for departures from the west of Ireland, with less congestion.

📍 ~180 km from Dublin (reachable by car)

💸 Flights from ~$160

Business & First Class Flight Deals to Dublin

38% AI deal score

$1,464

From CWL

Elite

Aug 30

Dublin, Ireland

38% AI deal score

$1,467

From CWL

Elite

Aug 25

Dublin, Ireland

37% AI deal score

$1,464

Frequently Asked Questions About Flights to Dublin

Historically, the optimal booking window for flights from Cardiff to Dublin is typically 14-27 days before departure. During this period, the average price observed was $278. Booking within 0-6 days of departure saw an average price of $303, while booking 7-13 days out had an average price of $363. For those booking 60+ days in advance, the average price was $377, indicating that last-minute deals can sometimes be more favorable than very early bookings on this route.

Across the trailing quarter, a good price for a flight from Cardiff to Dublin is considered to be $260 or less. The median price for this route during the same period was $325. Prices typically ranged up to $393 for the higher end of fares. Travelers aiming for a good deal should target prices around or below the $260 threshold.

Historically, August has been the cheapest month to fly from Cardiff to Dublin, with a median price of $125. February also offered competitive prices, with a median of $222. While July had a median price of $246, it was also identified as the most expensive month in the trailing 270-day period. The annual median price for this route was $325.

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Cheap Flights from Cardiff to Dublin

Today’s best flight deals from Cardiff to Dublin

Unlock all 500+ flight deals to Dublin and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Cardiff to Dublin

How much is a round trip from Cardiff to Dublin

The cheapest time to fly from Cardiff to Dublin

Direct flights from Cardiff to Dublin

Last-minute flights going from Cardiff to Dublin

Biggest price drops on these dates for flights from Cardiff to Dublin

Popular Airports to fly from Cardiff to Dublin

Cardiff - Dublin route insights

Recent fares are below the typical level

August is historically the cheapest month

Connecting flights average 19h 0m

Ryanair offers direct flights

Ryanair offers the best deal at $35

Deals appear frequently

Cardiff main airports to depart from

Dublin main airports to arrive at

Airports nearby Dublin used as alternative

Business & First Class Flight Deals to Dublin

Best Elite deals to Dublin

Aug 30

Aug 25

Aug 27

Aug 26

Aug 29

Aug 28

Jul 16

Aug 28

Aug 27

Jul 16

Jul 14

Aug 26

Aug 30

Aug 25

Frequently Asked Questions About Flights to Dublin

When is the best time to book flights from Cardiff to Dublin?

When is the best time to book flights from Cardiff to Dublin?

What is a good price for a flight from Cardiff to Dublin?

What is a good price for a flight from Cardiff to Dublin?

What's the cheapest month to fly from Cardiff to Dublin?

What's the cheapest month to fly from Cardiff to Dublin?

What percentage of Cardiff to Dublin flights are direct?

What percentage of Cardiff to Dublin flights are direct?

How long does it take to fly from Cardiff to Dublin?

How long does it take to fly from Cardiff to Dublin?

Should I set a price alert for Cardiff to Dublin flights?

Should I set a price alert for Cardiff to Dublin flights?

Related routes

Consider alternative routes from Cardiff