- Must visit
Cyfarthfa Castle Museum and Art Gallery
Main local museum in Cyfarthfa Castle, covering Merthyr's ironmaking, art, social history, and parkland setting in one landmark site.
Cheapest price on Oct 09
$8
Average ticket price on Oct 09
$8
Fastest journey on Oct 09
1 h 5 m
Average journey duration on Oct 09
1 h 5 m
Trains on Oct 09
2
Distance
33 km
The best way to find a cheap train ticket from Cardiff to Merthyr Tydfil is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cardiff to Merthyr Tydfil will cost around $8 if you buy it on the day, but the cheapest tickets can be found for only $8.
On Fri, Oct 09, we found 2 trains from Cardiff to Merthyr Tydfil, including 2 direct services.
On Fri, Oct 09 the direct trains cover the 33 km distance in an average of 1 h 5 m but if you time it right, some trains will get you there in just 1 h 5 m .
On Fri, Oct 09 the slowest trains will take 1 h 5 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.




Trains from Cardiff to Merthyr Tydfil run on average 11 times per day, taking around 1h 5m. Cheap train tickets for this journey start at $8 (€7) if you book in advance.
There are 11 trains per day. The earliest train runs at 05:30, the last at 23:26. The fastest train covers the 20 miles (33 km) distance in 1h 0m.
Distance 20 miles (33 km) |
Average train duration 1h 5m |
Cheapest ticket price $8 (€7) |
Trains per day 11 |
Direct trains 11 |
Fastest train 1h 0m |
First train 5:30 AM |
Last train 11:26 PM |
Cheapest Month Apr |
Cheapest Day Fri |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Tue |
Best time to book 2 days |
The table below shows live departures for Cardiff to Merthyr Tydfil trains for tomorrow, Friday, October 9. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 7:00 AM Cardiff | 1h05 | 8:05 AM Merthyr Tydfil | 0 transfersDirect | |
![]() | 8:00 AM Cardiff | 1h05 | 9:05 AM Merthyr Tydfil | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Discover the best of Merthyr Tydfil — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Merthyr Tydfil trip today.
Main local museum in Cyfarthfa Castle, covering Merthyr's ironmaking, art, social history, and parkland setting in one landmark site.
Industrial heritage museum preserving a historic ironworks site central to the story of Merthyr as a powerhouse of the Industrial Revolution.
Hands-on transport museum with classic vehicles and railway interest, popular with families and enthusiasts near the town centre.
Large historic park around Cyfarthfa Castle with gardens, woodland, play areas, and riverside paths popular with families and walkers.
Scenic reservoir and mountain setting north of town, ideal for walks, photography, and panoramic views of the Brecon Beacons landscape.
Town-centre shopping and civic area that offers the everyday pulse of Merthyr, historic streetscape, and easy access to key landmarks.
A hearty Welsh broth with lamb or beef, root vegetables and leeks. It is a classic comfort dish long associated with Welsh homes and mining communities.
Welsh cakes are small griddled cakes with flour, butter, sugar and dried fruit. They are a beloved everyday Welsh treat often served warm with tea.
A traditional fruit loaf baked with tea, dried fruit and spices. Common across South Wales, it is usually sliced and served with butter.
Smart casual restaurant at the golf club with Welsh and British dishes, Sunday lunch and views over the course.
Well-known local Indian restaurant serving curries, tandoori dishes and popular takeaway favourites in a casual setting.
Established town pub and restaurant known for classic British meals, carvery options and a relaxed traditional atmosphere.
Moderate for the UK. Hotels and meals are often cheaper than Cardiff, while local buses and attractions are generally low cost for visitors.
Tipping is optional. In restaurants, 10-12.5% is polite for good service if not already added. Round up taxi fares. Cafes usually do not expect tips, but small change is appreciated.
Official public transport app
Merthyr Tydfil Railway Station -> Merthyr Tydfil Bus Station
Find answers to the most common questions about traveling from Cardiff to Merthyr Tydfil 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 Merthyr Tydfil, this guide helps you travel smarter and with confidence.

Most Cardiff to Merthyr Tydfil trains use the Cardiff Central to Merthyr Tydfil station pair. Use this guide to compare Cardiff and Merthyr Tydfil train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Cardiff Central has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express
Free Wi-Fi in the station. ATMs are located outside of the main entrance.
The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.
Lost and found is available at the station.
Available at Cardiff Central: Parking, Taxis, WC.
Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Cardiff Central: There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.
Cardiff Queen Street has practical services for this route, including Parking, Dining, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Information Desk.
Food and drink options are available at Cardiff Queen Street.
Ticket office support is available at Cardiff Queen Street. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Announcements, Arrival screens.
Lost and found is available at the station.
Available at Cardiff Queen Street: Parking, Taxis, WC.
Available at Cardiff Queen Street: Bike Parking, Bike Rental.
Accessibility facilities are available at Cardiff Queen Street: Staff help available: Yes, Step free access coverage: Yes, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machines are near the main entrance and take cash and major debit and credit cards, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
Nearby hotels include Travelodge.
Merthyr Tydfil has practical services for this route, including Parking, Dining, Accessibility, Hotel, Lost and Found Office, Ticket Office, Bike Parking, and Information Desk.
Food and drink options are available at Merthyr Tydfil.
Ticket office support is available at Merthyr Tydfil. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Arrival screens.
Lost and found is available at the station.
Available at Merthyr Tydfil: Parking.
Available at Merthyr Tydfil: Bike Parking.
Accessibility facilities are available at Merthyr Tydfil: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Category B. Step free access to the platform from the car park, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machine(s) do not accept cash. Payment is by major debit and credit cards only, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
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