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Train Information between Cardiff and Dublin

distanceDistance181 miles (292 km)
durationAverage train duration4 h 59 min
priceAverage train ticket price£49 (€56)
changesDirect trainYes
carriersTrain providersArriva Trains Wales

Trains from Cardiff to Dublin cover the 181 miles (292 km) long journey taking on average 4 h 59 min with our travel partners like Arriva Trains Wales. There are direct train services available. While the average ticket price for this journey costs around £49, you can find the cheapest train ticket for as low as £46.

Trains from Cardiff to Dublin

Arriva Trains Wales operates 5 trains from Cardiff to Dublin every day from Monday to Friday with departures between 8:00 a.m. and 10:00 p.m. Please note that the last two departures arrive the following day. Journey times vary from 8 to 10.5 hours with routes either going directly to Holyhead or involving a change at either Shrewsbury or Crewe. The journey time includes 3 hours on the ferry crossing from Holyhead to Dublin. Saturday and Sunday services are reduced and involve more changes and longer journey times.

What are the departure and arrival stations for trains from Cardiff to Dublin?

Departure Station: Trains from Cardiff to Dublin depart from Cardiff Central Station. This busy station is a major hub and is conveniently located in Cardiff's city centre. It has taxi ranks, car parking, and bicycle storage and is served by local bus routes.

Arrival Station: The ferry from Holyhead arrives at the Stena Line Terminal of Dublin Port. Taxi ranks and local buses into Dublin city centre can be found outside the terminal.

Travel Tips

Trains from Cardiff to Dublin
Travel by train to Dublin easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Cardiff to Dublin.
FAQs
Is cross-border travel by train between Cardiff, United Kingdom and Dublin, Ireland allowed?

Travel between Cardiff, United Kingdom and Dublin, Ireland by train is: Partially open.

Can I enter Ireland from United Kingdom?

International entry status: Entry is partially open for citizens and permanent residents of United Kingdom

Do I need to quarantine on arrival in Ireland from Cardiff?

Conditions of entry:

  • Negative Covid-19 test issued at most 3 days before arrival or 14-day mandatory self-quarantine
  • Travellers who have recovered from COVID-19 in the last 6 months are exempt from providing a negative COVID-19 test and can bypass compulsory quarantine on arrival (certificate required)
  • Travellers with a certificate of vaccination are exempt from providing a negative COVID-19 test and can bypass compulsory quarantine on arrival
  • Passenger Locator Form (PLF) required

What are the safety rules to follow in Dublin, Ireland?

All travellers in Ireland must observe these coronavirus safety measures:

  • Physical distance: 2 metre (s) (7 feet)
  • Face mask: Mandatory

The information above was last checked on 15/10/2021. Remember to review the latest COVID-19 travel safety regulations   for your train between Cardiff and Dublin as this information can change.

What are the COVID-19 restrictions for my return trip to United Kingdom from Dublin, Ireland?

The restriction level for your return train to Cardiff, United Kingdom from Dublin is: Fully open.

Is my return train into Cardiff from Dublin restricted?

International entry is allowed for: Entry is fully open for citizens and permanent residents of Ireland

Do I need to quarantine on arrival in United Kingdom from Dublin?

Conditions of reentry:

  • Travellers with a certificate of vaccination are exempt from providing a negative COVID-19 test and can bypass compulsory quarantine on arrival

What are the safety rules to follow in Cardiff, United Kingdom?

The government of United Kingdom has imposed these measures to reduce the spread of COVID-19:

  • Social distancing required: 1 metre (s) (3 feet)
  • Face mask required: Regional advice

Last checked on 20/10/2021. Remember to check the latest COVID-19 travel safety regulations for your train to Cardiff from Dublin closer to your date of departure here.

How much does a cheap train between Cardiff and Dublin cost?
You can find a cheap train from Cardiff to Dublin for some dates and times for as low as £46  one way in the next 7 days.
What is the cost of a train ticket from Cardiff to Dublin on average?
If you are looking to book your train ticket in the next 7 days, you can expect the Cardiff to Dublin train to cost on average £49  one way.
How many miles is it from Cardiff to Dublin by train?
You should expect to travel around 181 miles (292 km)  from Cardiff to Dublin by train.
How long is the train journey from Cardiff to Dublin?
While the time it takes to travel 181 miles (292 km) to Dublin from Cardiff can vary based on specific dates, weekends, and bank holidays, the train duration from Cardiff to Dublin is on average 4 h 59 min.
Which train providers can take me between Cardiff and Dublin?
When taking a train from Cardiff to Dublin, you can count on Arriva Trains Wales for the best way to get you to Dublin. You can also check all possible train providers who offer a service to Dublin from Cardiff and compare the amenities they offer before buying a train ticket.
What time is the earliest train from Cardiff to Dublin? What time is the last train from Cardiff to Dublin?
If you prefer early morning trains from Cardiff to Dublin, the first train leaves at 06: 50. If you prefer late night trains from Cardiff to Dublin, the last train of the day leaves at 07: 50. Omio shows you the latest train from Cardiff to Dublin timetable to help you book the best departure time for this trip.
How early should I book Cardiff to Dublin train tickets to get the best deals?
In general, we recommend booking tickets for trains in advance to score the best deals from all possible train companies offering this route and save money. If you book train tickets between Cardiff and Dublin within the next 7 days, you can find tickets to cost on average £49 one way. To find the best prices for this trip, consider booking your train ticket from Cardiff to Dublin a few months in advance.

Important Stations and Airports for this Journey

Cardiff
Dublin
The major railway station for departures from Cardiff is Cardiff Central. Read all the information you need to know about services, amenities and connections at Cardiff Central for your trip from Cardiff to Dublin.
Amenities at station
WifiWifi
LockersLockers
ParkingParking
ATMATM
TaxiTaxi
ticketOfficeHours
Ticket office hours
Mon - Fri: 05: 40 - 21: 30 | Sat: 05: 40 - 21: 30 | Sun: 07: 30 - 21: 30
Connections to/from station
Commuter rail lines: City Line, Rhondda Line, Rhymney Line, Valley Line, South Wales Main Line
Train lines: Transport for Wales, CrossCountry, Great Western Railway