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Flights from Cardiff to Dublin

What to know about flights from Cardiff to Dublin?

The distance between Cardiff and Dublin is approximately 300.11km. The average flight time between Cardiff and Dublin is 1 hour. According to Trip.com data, travel demand is highest in January.

Cheapest one-way
£17
Ryanair Ryanair CWL-DUB 1h · Direct Sat, Oct 31
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Cheapest return
£31
Ryanair Ryanair CWL-DUB 1h · Direct Thu, Oct 8 - Sun, Oct 11
Book Now
Recommended airlines
Ryanair Ryanair Cheapest · From £17 Ryanair Ryanair Most booked
Best time to book
September
Cheapest
January
Peak season for travel
Route details
300.11km
Flight distance
1h
Average flight time

Explore the cheapest one-way and round-trip flights from Cardiff to Dublin over the next 90 days, with one-way fares from £17 and round-trip from £31. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        CWL 23:50
        1h
        Direct
        DUB 00:50
        Cardiff - Dublin | Thu, Oct 8 | Ryanair
        DUB 05:55
        1h
        Direct
        CWL 06:55
        Dublin - Cardiff | Sun, Oct 11 | Ryanair
        £31 £50
        38% off
        38% off
        £50 £31
      • CWL 08:35
        1h
        Direct
        DUB 09:35
        Cardiff - Dublin | Tue, Nov 24 | Ryanair
        DUB 06:50
        1h
        Direct
        CWL 07:50
        Dublin - Cardiff | Sun, Nov 29 | Ryanair
        £35 £50
        30% off
        30% off
        £50 £35
      • CWL 07:30
        1h
        Direct
        DUB 08:30
        Cardiff - Dublin | Sun, Oct 18 | Ryanair
        DUB 20:45
        1h
        Direct
        CWL 21:45
        Dublin - Cardiff | Tue, Oct 20 | Ryanair
        £35 £50
        30% off
        30% off
        £50 £35
      • CWL 23:15
        1h
        Direct
        DUB 00:15
        Cardiff - Dublin | Wed, Oct 7 | Ryanair
        DUB 05:55
        1h
        Direct
        CWL 06:55
        Dublin - Cardiff | Sun, Oct 11 | Ryanair
        £35
        30% off
        £50 £35
      • CWL 22:50
        1h 5m
        Direct
        DUB 23:55
        Cardiff - Dublin | Fri, Oct 23 | Ryanair
        DUB 05:55
        1h
        Direct
        CWL 06:55
        Dublin - Cardiff | Sun, Oct 25 | Ryanair
        £35
        30% off
        £50 £35
      • CWL 23:15
        1h
        Direct
        DUB 00:15
        Cardiff - Dublin | Wed, Oct 21 | Ryanair
        DUB 06:20
        1h
        Direct
        CWL 07:20
        Dublin - Cardiff | Sat, Oct 24 | Ryanair
        £35
        30% off
        £50 £35
      • CWL 22:50
        1h 5m
        Direct
        DUB 23:55
        Cardiff - Dublin | Fri, Oct 9 | Ryanair
        DUB 21:50
        1h
        Direct
        CWL 22:50
        Dublin - Cardiff | Wed, Oct 14 | Ryanair
        £35
        30% off
        £50 £35
      • CWL 22:15
        1h
        Direct
        DUB 23:15
        Cardiff - Dublin | Wed, Oct 28 | Ryanair
        DUB 06:50
        1h
        Direct
        CWL 07:50
        Dublin - Cardiff | Sun, Nov 1 | Ryanair
        £35
        30% off
        £50 £35
      • CWL 07:30
        1h
        Direct
        DUB 08:30
        Cardiff - Dublin | Sun, Oct 11 | Ryanair
        DUB 22:25
        1h
        Direct
        CWL 23:25
        Dublin - Cardiff | Thu, Oct 15 | Ryanair
        £35
        30% off
        £50 £35
      • CWL 22:45
        1h
        Direct
        DUB 23:45
        Cardiff - Dublin | Sat, Oct 17 | Ryanair
        DUB 20:45
        1h
        Direct
        CWL 21:45
        Dublin - Cardiff | Tue, Oct 20 | Ryanair
        £36
        28% off
        £50 £36
      • CWL 13:00
        17h 25m
        1 stop
        DUB 14:00
        Cardiff - Dublin | Thu, Oct 8 | Normal Airline
        DUB 15:00
        6h
        Direct
        CWL 16:00
        Dublin - Cardiff | Sat, Oct 10 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        CWL 23:10
        1h
        Direct
        DUB 00:10
        Cardiff - Dublin | Sat, Oct 31 | Ryanair
        £17 £25
        32% off
        32% off
        £25 £17
      • CWL 23:50
        1h
        Direct
        DUB 00:50
        Cardiff - Dublin | Sun, Nov 1 | Ryanair
        £17 £25
        32% off
        32% off
        £25 £17
      • CWL 22:50
        1h 5m
        Direct
        DUB 23:55
        Cardiff - Dublin | Fri, Oct 23 | Ryanair
        £17 £25
        32% off
        32% off
        £25 £17
      • CWL 22:10
        1h 5m
        Direct
        DUB 23:15
        Cardiff - Dublin | Tue, Oct 20 | Ryanair
        £17
        32% off
        £25 £17
      • CWL 22:45
        1h
        Direct
        DUB 23:45
        Cardiff - Dublin | Sat, Oct 17 | Ryanair
        £17
        32% off
        £25 £17
      • CWL 08:35
        1h
        Direct
        DUB 09:35
        Cardiff - Dublin | Tue, Nov 24 | Ryanair
        £17
        32% off
        £25 £17
      • CWL 23:50
        1h
        Direct
        DUB 00:50
        Cardiff - Dublin | Mon, Nov 2 | Ryanair
        £18
        28% off
        £25 £18
      • CWL 23:15
        1h
        Direct
        DUB 00:15
        Cardiff - Dublin | Wed, Oct 21 | Ryanair
        £18
        28% off
        £25 £18
      • CWL 23:50
        1h
        Direct
        DUB 00:50
        Cardiff - Dublin | Thu, Oct 22 | Ryanair
        £18
        28% off
        £25 £18
      • CWL 23:15
        1h
        Direct
        DUB 00:15
        Cardiff - Dublin | Wed, Oct 7 | Ryanair
        £18
        28% off
        £25 £18
      • CWL 13:00
        17h 25m
        1 stop
        DUB 14:00
        Cardiff - Dublin | Thu, Oct 8 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Cardiff to Dublin operate an average of 1 times per day over the past 7 days, with a 75.0% on-time departure rate and a 100.0% on-time arrival rate.

Which airlines are the most popular for Cardiff to Dublin flights?

You can choose from 1 airlines flying from Cardiff to Dublin, including Ryanair, and . Ryanair currently offers the cheapest direct ticket on this route.
Ryanair logo Ryanair
Airlines are determined based on actual purchased flight tickets from Cardiff to Dublin according to previous 12 months data from Trip.com.

Flight FAQs

  • Which airlines offer the cheapest flights from Cardiff to Dublin?

    Based on Trip.com data, Ryanair offers Cheapest nonstop one-way flights from £17 (for example, CWL–DUB on Sat, Oct 31). For a Cheapest nonstop return flight, Ryanair offers fares from £31, departing on Thu, Oct 8 and returning on Sun, Oct 11.
  • At the moment, you can catch a direct flight from Cardiff to Dublin with the following airlines, including: Ryanair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • A flight from Cardiff (CWL) to Dublin (DUB) takes an average of 1 hour.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cardiff to Dublin is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • On average, 7 direct flights operate each week between Cardiff and Dublin. See below the schedules of the main airlines serving this route:
    Ryanair: S/M/T/W/T/F/S – FR635 (departure at 23:09) Ryanair: -/-/-/-/T/-/- – FR7851 (departure at 07:41)
  • Here are some tips for finding the best flight deals from Cardiff to Dublin on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Sat, Oct 31, with one-way fares from just £17.
    · Compare airlines. Ryanair currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. January is generally the busiest month for travel to Dublin.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Cardiff to Dublin is usually September, when demand is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Cardiff to Dublin on October 19, 2026 with Ryanair, with prices starting at £34.
  • Flights to Dublin can arrive at: Dublin Airport (DUB). The most common route connects Cardiff Airport and Dublin Airport (CWL–DUB).
  • The time difference between Dublin and Cardiff is 0m.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Cardiff to Dublin is £198. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for flights departing in the next 30 days, the average return fare from Cardiff to Dublin is £99. Fares vary by travel date, airline and availability.
  • Enter Cardiff and Dublin, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.
  • Ryanairare the most popular budget airlines flying from Cardiff to Dublin. Check baggage, seat and payment fees before comparing the final price.

Flight from Cardiff (CWL) to Dublin (DUB) 

Dublin, the capital of Ireland is a beautiful urban city with an ever-growing cultural vibe. This vibrant and colourful city acts as a home for people from varied ethnic and cultural groups. The narrow city streets are dotted with historical attractions and exquisite dining places. The city of Dublin is known for its beautiful weather and iconic buildings which range from neo gothic cathedrals to modernist architecture.

Tip: Tourists must try to avoid the Irish rain and plan trips during the summer months. The best time to visit Dublin is in April and May.

Your flight details:

Dublin Airport welcomes flights from all over the world. Even though the tickets may be easily available but to be able to get hold of cheap flights from Cardiff to Dublin, one has to book them in advance. When it comes to travelling from Cardiff (CWL) to Dublin (DUB), there are direct flights available which makes travel between the two cities very easy and convenient. The flying time is just one hour and five minutes which makes the journey from Cardiff (CWL) to Dublin (DUB) very comfortable. The ease with which one can reach Dublin makes it the best weekend getaway.

Tip: Once out of the airport, there are cars available on rent and so are taxis to make inter-city travel easy. Quick and efficient bus service is also available at the airport.

The scenic sights:

The city is a home to several theatres, museums, parks and galleries. The Dublin Castle, Temple Bar, Guinness Storehouse, Phoenix Park, Kilaminham Gaol, St Stephen’s Green, Christ Church Cathedral, St Patrick’s Cathedral, Jameson Distillery Bow, Dublin Zoo, Ha’penny Bridge, Malahide Castle and Gardens, Powerscourt House, National Botanic Garden, Chester Beatty, The Spire, National Gallery of Ireland, and the Little Museum of Dublin are some of the top sights which attract several tourists all over the year.

Tip: The most ideal way to enjoy the historical city is by hopping on to a local bus as it help explore some of the remote yet unique spots.

Dining and accommodation:

The city is well known for royal cafes and pubs. These eating joints offer variety of dishes and drinks which suit the pocket and palate of every tourist. Dublin is a city which succeeds in offering high quality living and food experience for all. From traditional Irish breakfast to bacon and cheese, the creative cafes are the place to tick off from your food list.

For accommodation, there are castles which stand for their historical significance and there are also some local yet cosy inns which offer and equally warm and comfortable hospitality. Therefore, it can be said that the city has both expensive and pocket friendly places for tourists to explore.

Tip: It is advised that you pick a hotel, keeping in mind the entire budget of your trip. And, don’t forget to book them in advance.

Cardiff (CWL) to Dublin (DUB) flight booking might turn out to be tough during the peak tourist season, but with prior planning one can easily experience the rich culture and beauty of Dublin. Allow yourself a comfortable break with Trip.com.

More Flight Itineraries

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.