Cardiff to Dublin train

Mon, May 25
+ Add return
Regionale
Deutsche Bahn
iryo
Frecciarossa
ÖBB
2,000+ travel companies
Regionale
Deutsche Bahn
iryo
Frecciarossa
ÖBB
2,000+ travel companies
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Compare prices and tickets Cardiff to Dublin by flight

Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.

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Journey information

Overview: Train from Cardiff to Dublin

United KingdomUnited Kingdom
IrelandIreland
Icon of train

Take a train from Cardiff to Dublin and enjoy the approximately 182 miles (293 km) long journey. Find schedules and pricing options for a convenient and affordable trip.

Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Flight from $25 (€20)
Distance
182 miles (293 km)
High Season
Jul - Sep
Low Season
Jan - Mar
Busiest Day
Fri
Least Busy Day
Thu
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Flight from $25 (€20)

Complete guide to Dublin

Things to do in Dublin

Discover the best of Dublin — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Dublin trip today.

  • Must visit

Guinness Storehouse

Dublin’s most visited museum experience, telling the story of Ireland’s iconic stout through immersive exhibits in the historic brewery building at St. James’s Gate.

  • Must visit

National Gallery of Ireland

Ireland’s premier art gallery with major European and Irish works, including pieces by Caravaggio, Vermeer, and Jack B. Yeats, in a central and elegant setting.

  • Must visit

National Museum of Ireland – Archaeology

A standout museum for prehistoric gold, Viking artifacts, and medieval treasures, offering one of the best introductions to Ireland’s deep history.

Euro

Dublin is pricey by European standards, especially for hotels, dining, and drinks. Budget options exist but central areas cost more.

Average meal costs

Budget
EUR 10-15 for takeaway or casual lunch.
Mid-range
EUR 20-35 per person at a standard restaurant.
Fine dining
EUR 70+ per person at upscale restaurants.
Coffee
EUR 3.50-5 for a regular coffee.

Tipping culture

Service is often included only for large groups. In restaurants, 10% is appreciated for good service if not included. No tip needed for pints. Round up taxis. Small café tips are optional.

FAQs: Trains from Cardiff to Dublin

Find answers to the most common questions about traveling from Cardiff to Dublin by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Dublin, this guide helps you travel smarter and with confidence.

FAQs
The distance by train from Cardiff to Dublin is 182 miles (293 km).
Unfortunately, there is no night train available from Cardiff to Dublin.
The cheapest way to get from Cardiff to Dublin is by flight, with a cost of around $25 (€20).
The journey from Cardiff to Dublin by train and ferry offers scenic views, particularly along the Welsh coast and the Irish Sea crossing, with a blend of countryside and coastal landscapes.
In Dublin, you can explore the Guinness Storehouse to learn about Ireland's iconic beer and enjoy panoramic views from the rooftop bar. Delve into Ireland's political history at Kilmainham Gaol or admire the extensive art collection at the National Gallery of Ireland. Experience the excitement of Gaelic games at Croke Park Stadium and enjoy a Dublin Literary Pub Crawl through the city's famous pubs. For sightseeing, visit Trinity College to see the Book of Kells, explore the historic Dublin Castle, and appreciate the Gothic architecture of St. Patrick's Cathedral. Enjoy the lively atmosphere of Temple Bar or relax in Phoenix Park, which houses Dublin Zoo and the President's official residence.
A stay of 2 to 3 days in Dublin is typically enough to explore its main attractions, including Trinity College, Dublin Castle, and the Temple Bar area, while also enjoying the city's vibrant culture and dining scene.
No, you cannot take the train from Cardiff to Dublin.
Since neither Cardiff nor Dublin are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and Ireland. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
We recommend using the flight as it is the most popular way to get from Cardiff to Dublin among Omio's users.
Items not allowed on trains typically include hazardous materials such as explosives, flammable liquids, corrosive substances, and illegal drugs. Additionally, large or bulky items that may obstruct aisles or emergency exits, as well as pets without proper carriers, may be restricted. Specific prohibited items can vary by train operator and region, so please check the rules for your particular journey.
Ireland uses the euro (€) as its currency. Travelers generally find using cards more convenient and widely accepted for payments, though carrying some cash can be helpful for small purchases or in rural areas.
In Dublin, travelers should be cautious of pickpocketing, especially in crowded areas like public transport, popular tourist sites, and nightlife districts. Common scams include overcharging by taxi drivers who do not use the meter and distraction techniques used by groups to steal wallets or phones. It is advisable to use official taxis or rideshare services and remain vigilant in busy locations to ensure safety.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.

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