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Cathays to Merthyr Tydfil train timetable
The journey from Cathays to Merthyr Tydfil on the fastest train in 57 minutes, usually 58 minutes. Each day, 33 trains leave from Cathays, starting at 05:36 and ending at 22:32. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with TrainPal.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
18:37 Cathays | 58 minutes, Direct | 19:35 Merthyr Tydfil | Transport for Wales | Find tickets |
19:07 Cathays | 58 minutes, Direct | 20:05 Merthyr Tydfil | Transport for Wales | Find tickets |
19:37 Cathays | 58 minutes, Direct | 20:35 Merthyr Tydfil | Transport for Wales | Find tickets |
20:07 Cathays | 58 minutes, Direct | 21:05 Merthyr Tydfil | Transport for Wales | Find tickets |
20:38 Cathays | 57 minutes, Direct | 21:35 Merthyr Tydfil | Transport for Wales | Find tickets |
Cathays to Merthyr Tydfil train tickets and times
Plan your journey from Cathays to Merthyr Tydfil with ease. Explore the first and last train times, departure and arrival stations, distance, journey time, and price options to make the most of your trip.
Cathays to Merthyr Tydfil train travel guide
Taking the train from Cathays to Merthyr Tydfil is both efficient and enjoyable, offering scenic views and comfort. With frequent departures from Cathays, you can arrive at Merthyr Tydfil in just 57 minutes, making it a quick and convenient option for travelling between these two places.

Planning and booking
How much does it cost for a train from Cathays to Merthyr Tydfil?
The average fare from Cathays to Merthyr Tydfil is approximately €6.69, but the final price fluctuates. The actual cost depends on your travel dates, how far in advance you book, and your ticket's flexibility. To see the current price for your journey, please search with your specific dates.
How do I find the best train route from Cathays to Merthyr Tydfil?
What is the fastest train from Cathays to Merthyr Tydfil?
The fastest train journey time from Cathays to Merthyr Tydfil is 57 minutes . Use our Train Journey Planner to find direct trains, avoid transfers, and compare travel times for each route to see if there are fewer stops to make your journey seamless.
Are there direct trains from Cathays to Merthyr Tydfil?
No, there are no direct trains from Cathays to Merthyr Tydfil. However, you can still find the best train options using the TrainPal Train Journey Planner. Simply enter your departure and arrival stations to see all available train services and plan your trip
Is it worth taking a train from Cathays to Merthyr Tydfil?
Yes, the train is always an excellent choice that balances convenience, comfort, and efficiency. It's more environmentally friendly and relaxing than driving, as you avoid traffic and parking. While coaches may be cheaper, the train provides superior comfort, more space, and greater scheduling flexibility. With the added benefit of arriving directly in the city centre, it's a very convenient way to travel.
How far in advance can I book my train ticket?
You can book UK train tickets as far as 12 weeks ahead of your travel date. This is the key period when train operators release their cheapest Advance tickets. Therefore, to ensure you get the best possible fare, we recommend purchasing your tickets as soon as they become available.

Check timetables and during the journey
Are Cathays to Merthyr Tydfil trains punctual, and how can I check real-time information?
Cathays to Merthyr Tydfil trains are generally punctual, but delays or cancellations can occur due to weather, strikes, and other factors. After purchasing a ticket, use TrainPal to track live train updates. Before buying a ticket, our Train Journey Planner provides all necessary booking information. Simply enter your departure and arrival stations, click 'Search,' and view routes labelled 'Cheapest' or 'Fastest,' with all details displayed.
How early should I arrive for a train in the UK?
It’s recommended to reach the train station 15-20 minutes before your train is set to leave. This gives you sufficient time to locate your platform, particularly in larger stations. Arriving early is also beneficial if you need to collect tickets or find your way around an unfamiliar station, helping to minimise any potential stress.
Do Cathays to Merthyr Tydfil trains offer Wi-Fi and other facilities?
Yes, most trains on the route from Cathays to Merthyr Tydfil are equipped with Wi-Fi. Passengers can also enjoy complimentary food, drinks, and power sockets for a more comfortable journey. Please note that the availability of these services can vary depending on the train company
How do I transfer between train stations in the UK?
Check our Train Journey Planner, which provides detailed information about transfers to ensure your journey is uninterrupted, saving you time and effort, and allowing you to get a full rest for travelling.
What is the difference between Standard and First Class?
Standard Class ensures a comfortable journey. For an upgraded experience, First Class provides superior comfort and additional amenities, such as complimentary refreshments, though the exact services vary by train operator.

Other things you might be interested
Are there discounts for students or seniors on UK train tickets?
Can UK train tickets be refunded or changed?
How do I check train delays and cancellations in the UK?
Get easy and quick access to live updates and notifications via the TrainPal app. If your phone is enabled to receive messages from us, you'll receive notifications about train cancellations on your screen as soon as you pick up your phone
Which train companies operate the Cathays to Merthyr Tydfil route?
The Cathays to Merthyr Tydfil route is operated by Transport for Wales. For any journey, the easiest way to find the operator is to search for your route on this page. The operator's name will appear next to each travel option in the results.
Essential onboard rules and facilities
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Luggage
You can bring up to three pieces of luggage for free, including satchels, backpacks, suitcases, and similar items.
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Bicycle
You must make a free reservation to bring a bike on most trains, but space is limited. Standard and folding bikes are generally accepted, and some operators also permit tandems and e-bikes. However, e-scooters, motorcycles, tricycles, and bicycle trailers are prohibited. We strongly advise checking the train operator's specific cycle policy on their website before travelling.
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Children
Children under 5 typically travel for free. A 50% discount applies to children aged 5 to 15. Additionally, those aged 16 and 17 are eligible for a 50% discount with a 16-17 Saver Railcard.
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Pets
You are welcome to bring up to 2 pets with you at no extra cost. Dogs must be kept on a lead and other animals in a suitable carrier. Please note that for the comfort of all passengers, pets are not allowed on seats or in restaurant carriages.
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Passenger assistance
For passengers with disabilities or additional needs, all train operators provide dedicated assistance. It is essential to book this service in advance to guarantee its availability.
How to buy cheap Cathays to Merthyr Tydfil train tickets

Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
Compensation and refunds

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* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.





















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