- 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.
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The cheapest and fastest trains from Cardiff to Merthyr Tydfil
Showing times and prices for Aug 25
Cheapest price
$8
Average price
$8
Fastest journey
1 h 5 m
Average duration
1 h 5 m
Trains per day
1
Distance
33 km
Cheap tickets
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.
Fast trains
Of the 1 trains that leave Cardiff for Merthyr Tydfil on Tue, Aug 25, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Tue, Aug 25 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 Tue, Aug 25 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.
8:00 AM1h05Cardiff9:05 AMMerthyr Tydfil$81One-way0 transfers
- 8:00 AM1h05Cardiff9:05 AMMerthyr Tydfil$81One-way0 transfers
Travel Information
Compare bus and train for Cardiff to Merthyr Tydfil
Omio recommends booking the train as it is the most popular option from Cardiff to Merthyr Tydfil among Omio's users. If you are prioritising price take the train with prices starting from $8. For those with little time consider booking a train which can get you there in 1h 4m. The ticket price range depends on the travel mode: a train costs an average of $8, and a bus costs an average of $9.
Distance: 20 miles (33 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
$8 Average price Cheapest | $9 Average price | $9 Average price (fuel + tolls) |
1h 34m Average total duration Fastest 1h 4m Onboard + 30m Additional time* | 1h 47m Average total duration 1h 17m Onboard + 30m Additional time* | 41m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options |
The cheapest way to travel from Cardiff to Merthyr Tydfil is a train with an average price of $8 (€7).
This is compared to other travel options from Cardiff to Merthyr Tydfil:
A train is $0.20 (€0.16) less than a bus for this route with tickets for a bus from Cardiff to Merthyr Tydfil costing on average $9 (€7).
The fastest way to travel from Cardiff to Merthyr Tydfil is by train with an average journey time of 1h 4m.
Other travel options to Merthyr Tydfil take longer:
Bus takes on average 1h 17m.
It's helpful to compare your options as there are 2 ways to travel between Cardiff and Merthyr Tydfil including taking a bus and train.
We recommend using the train as it is the most popular way to get from Cardiff to Merthyr Tydfil among Omio's users.
Take the train. It's the cheaper option, and the extra time on board is usually more relaxing than driving it.
Tickets start at around $8 (€7) compared to roughly $9 (€7) in fuel and tolls — a saving of about $0.75 (€0.60). The journey takes 1h 4m versus 41m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Direct services run with Transport for Wales, Transport for Wales.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
Live departures
Cardiff to Merthyr Tydfil train times
The table below shows live departures for Cardiff to Merthyr Tydfil trains for today, Monday, August 24. You can also manually refresh the results below to see updated train journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| G38728 | On time 8:00 AM Cardiff Central (CDF) | 1h05 | 9:05 AM Merthyr Tydfil station (MER) | 0 transfersDirect | |
| G38730 | On time 8:30 AM Cardiff Central (CDF) | 1h05 | 9:35 AM Merthyr Tydfil station (MER) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Cardiff to Merthyr Tydfil by bus or train
Compare bus and train 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.
Tue
Aug 25
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Why should you book Cardiff to Merthyr Tydfil trains with Omio?
Transport for Wales as well as Transport for Wales offer trains services from Cardiff to Merthyr Tydfil.
Omio is an official ticket reseller for all your travel options from Cardiff to Merthyr Tydfil.
Why book with Omio vs Transport for Wales?
- Compare with other providers: On Omio, you can not only buy tickets for Transport for Wales, but also compare tickets for the likes of Transport for Wales to find the best option for your trip from Cardiff to Merthyr Tydfil.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Transport for Wales with all available travel options, which are bus and train to ensure you get the best deal for traveling from Cardiff to Merthyr Tydfil.
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Cardiff to Merthyr Tydfil.
Journey information
Overview: Train from Cardiff to Merthyr Tydfil
United KingdomUnited Kingdom
Trains from Cardiff to Merthyr Tydfil run on average 8 times per day, taking around 1h 4m. Cheap train tickets for this journey start at $8 (€7) if you book in advance.
There are 8 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 3m.
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
Distance 20 miles (33 km) |
Average train duration 1h 4m |
Cheapest ticket price $8 (€7) |
Trains per day 8 |
Direct trains 8 |
Fastest train 1h 3m |
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 |
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
Train companies: Transport for Wales from Cardiff to Merthyr Tydfil trainsTransport for Wales trains will get you between Cardiff and Merthyr Tydfil from $8 (€7). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Transport for Wales
About
Transport for Wales is a public transport provider in Wales, UK. It operates a comprehensive network of trains, buses and ferries across the country. The trains are modern and comfortable, with a range of different types including InterCity Express Trains, Regional Trains, and Metro Trains. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. There are a variety of ticket types available, including single and return tickets, season tickets, and group tickets. The most popular routes include Cardiff to Swansea, Cardiff to Newport, and Cardiff to Manchester.
Luggage & cancellation policy
Average Duration
1h 3m
Cheapest Price
$8 (€7)
Transport for Wales frequency
8 a day
Luggage included
2 large items of luggage and 1 small hand luggage included
Luggage storage
Overhead racks, luggage areas at end of carriages, under seats
Cancellation Policy
Refund policy depends on ticket type
Refund
Full refund if service canceled
Amenities on board the train
Wifi
Food sold onboard
Trolley service on most routes with snacks and drinks. Some stations have cafes
Seat reservation
Seat reservations recommended but not mandatory. Free of charge when booking tickets
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets in carriers travel free. Dogs allowed with ticket (£5 per day). Guide dogs free
Quiet zone
Complete guide to Merthyr Tydfil
Things to do in Merthyr Tydfil
Discover the best of Merthyr Tydfil — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Merthyr Tydfil trip today.
- Recommended
Joseph Parry's Ironworker's Cottage
Industrial heritage museum preserving a historic ironworks site central to the story of Merthyr as a powerhouse of the Industrial Revolution.
- Recommended
Brecon Mountain Railway Museum
Hands-on transport museum with classic vehicles and railway interest, popular with families and enthusiasts near the town centre.
- Must visit
Cyfarthfa Park
Large historic park around Cyfarthfa Castle with gardens, woodland, play areas, and riverside paths popular with families and walkers.
- Recommended
Pontsticill Reservoir
Scenic reservoir and mountain setting north of town, ideal for walks, photography, and panoramic views of the Brecon Beacons landscape.
- Recommended
Merthyr Tydfil Town Centre
Town-centre shopping and civic area that offers the everyday pulse of Merthyr, historic streetscape, and easy access to key landmarks.
- Gluten-free
Cawl
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.
- Vegetarian
Welsh Cakes
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.
- Vegetarian
Bara Brith
A traditional fruit loaf baked with tea, dried fruit and spices. Common across South Wales, it is usually sliced and served with butter.
Morlais Castle Golf Club
Smart casual restaurant at the golf club with Welsh and British dishes, Sunday lunch and views over the course.
Shapla Tandoori House
Well-known local Indian restaurant serving curries, tandoori dishes and popular takeaway favourites in a casual setting.
The Castle Hotel
Established town pub and restaurant known for classic British meals, carvery options and a relaxed traditional atmosphere.
Pound sterling (£)
Moderate for the UK. Hotels and meals are often cheaper than Cardiff, while local buses and attractions are generally low cost for visitors.
Average meal costs
- Budget
- £8-12 for fast food or a simple meal.
- Mid-range
- £15-25 per person for a restaurant meal.
- Fine dining
- £35+ per person for upscale dining.
- Coffee
- £2.50-4 for cappuccino or similar coffee.
Tipping culture
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.
Transport for Wales
Get the appOfficial public transport app
Prices
- Single ticket
- £2.00
- Day pass
- £5.20
To the city center
Merthyr Tydfil Railway Station -> Merthyr Tydfil Bus Station
- Distance
- 0.4 km
- Travel time
- 8 min
- Most local rail tickets can be bought in the Transport for Wales app or at the station. Contactless card payment is generally available at ticket machines.
- Bus fares and contactless acceptance vary by operator in Merthyr Tydfil. Check the operator before boarding, especially on local town routes.
FAQs: Trains from Cardiff to Merthyr Tydfil
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.
Train ticket prices from Cardiff to Merthyr Tydfil can vary. The cheapest ticket starts at $8 (€7), while the average price is around $8 (€7).
The train from Cardiff to Merthyr Tydfil takes 1h 3m and runs 8 per day.
The first train from Cardiff to Merthyr Tydfil leaves at 5:30 AM.
The distance by train from Cardiff to Merthyr Tydfil is 20 miles (33 km).
The last train from Cardiff to Merthyr Tydfil leaves at 11:26 PM.
There is no high speed train available from Cardiff to Merthyr Tydfil.
Yes, there is a direct train from Cardiff to Merthyr Tydfil. This service operates 8 times per day, provided by Transport for Wales.
Unfortunately, there is no night train available from Cardiff to Merthyr Tydfil.
The train station in Cardiff that goes to Merthyr Tydfil is Cardiff Central (CDF), which connects to Merthyr Tydfil station (MER).
The cheapest way to get from Cardiff to Merthyr Tydfil is by train, with a cost of around $8 (€7).
Yes, the train journey from Cardiff to Merthyr Tydfil is considered scenic, offering views of the Welsh countryside, rolling hills, and parts of the Brecon Beacons National Park.
Yes, a day trip from Cardiff to Merthyr Tydfil is feasible. The journey takes 1h 3m each way, covers 20 miles (33 km), and there are 6 train trips available per day.
To fully explore Merthyr Tydfil's attractions, including Cyfarthfa Castle, Brecon Mountain Railway, and nearby Brecon Beacons National Park, plan for a 2 to 3-day visit.
Yes, you can take the train from Cardiff to Merthyr Tydfil.
Since neither Cardiff nor Merthyr Tydfil are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
Popular day trips by train from Merthyr Tydfil include Fernhill, Swansea, Newport, Trefforest, Pontypridd.
We recommend using the train as it is the most popular way to get from Cardiff to Merthyr Tydfil 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.
Yes, rail passes such as the BritRail Pass are valid on most trains within the United Kingdom, offering unlimited travel on participating train operators for a set period.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Merthyr Tydfil, travelers should be aware of typical urban safety concerns such as pickpocketing and petty theft, especially in crowded areas. It is advisable to stay cautious when using public transportation and avoid sharing personal information with strangers. There are no widely reported scams specific to Merthyr Tydfil, but general vigilance against common travel scams like overcharging or unofficial taxi services is recommended.
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.
popular train stations
Popular train stations from Cardiff to Merthyr Tydfil
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.
Departure train stations in Cardiff
Arrival train stations in Merthyr Tydfil
Cardiff CentralCentral Square, Cardiff CF10 1EP, United Kingdom+44 3457114141
City-centre transport
Getting to Cardiff Central from Cardiff city centre
Bus24, 25, 27, 86, 62, 30, 35, 21, 136, 7, 23, 63, 64 · 3m · $2 · every ~47 min
C1 · 5m · every ~8 min
Cardiff Central 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 and drink
Food options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express
Wi-Fi and ATMs
Free Wi-Fi in the station. ATMs are located outside of the main entrance.
Tickets and information
The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Cardiff Central: Parking, Taxis, WC.
Bike and car services
Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.
Accessibility
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.
Shops, hotels and contact
Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.
Cardiff Queen StreetCardiff Queen Street station, Station Terrace, Cardiff, Cardiff, CF10 4EY
City-centre transport
Getting to Cardiff Queen Street from Cardiff city centre
Bus52, 57, 58 · 13m · $2 · every ~25 min
C1 · 21m · every ~8 min
Cardiff Queen Street train station facilities and services
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
Food and drink options are available at Cardiff Queen Street.
Tickets and information
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.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Cardiff Queen Street: Parking, Taxis, WC.
Bike and car services
Available at Cardiff Queen Street: Bike Parking, Bike Rental.
Accessibility
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.
Shops, hotels and contact
Nearby hotels include Travelodge.
CathaysCathays station, Plas-y-Parc, Cardiff, Cardiff, CF10 3LU
City-centre transport
Getting to Cathays from Cardiff city centre
TrainCardiff Central - Merthyr Tydfil, Cardiff Central - Treherbert, Cardiff Central - Pontypridd, Aberdare - Merthyr Tydfil, Cardiff Central - Radyr, Radyr - Radyr · 6m · $1 · every ~8 min
BusC1 · 16m · every ~8 min
Cathays train station facilities and services
Cathays has practical services for this route, including Parking, Dining, Accessibility, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Information Desk.
Food and drink
Food and drink options are available at Cathays.
Tickets and information
Ticket office support is available at Cathays. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Arrival screens.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Cathays: Parking.
Bike and car services
Available at Cathays: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Cathays: Staff help available: Yes, Step free access coverage: No, Step free access note: Category B3. While both platforms are step-free, there is no facility for wheelchair users, mobility scooter users or persons with reduced mobility to cross between Platform 1 and 2 due to a steep footbridge. Customers who have travelled from the Valleys and wish to access the University or the Civic Centre are advised to travel to Queen Street station, change onto a North-bound service and alight at Cathays on the return service, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machine(s) take cash, and major debit and credit cards. The machine on the Cardiff-bound platform is only available during staffing hours. The machine on the Pontypridd-bound platform is available all the time, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
Shops, hotels and contact
Nearby hotels include Travelodge.
Which Merthyr Tydfil station do trains from Cardiff arrive at?
Trains from Cardiff to Merthyr Tydfil arrive at Merthyr Tydfil. Merthyr Tydfil is from Merthyr Tydfil city centre.
Merthyr TydfilMerthyr Tydfil station, Tramroad Side, Merthyr Tydfil, Merthyr, CF47 0AG+44 3333211202
City-centre transport
Getting to Merthyr Tydfil from Merthyr Tydfil city centre
Bus24 · 4m
Merthyr Tydfil train station facilities and services
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
Food and drink options are available at Merthyr Tydfil.
Tickets and information
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.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Merthyr Tydfil: Parking.
Bike and car services
Available at Merthyr Tydfil: Bike Parking.
Accessibility
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.
More options for your journey from Cardiff to Merthyr Tydfil
Here are some other resources that might have the information you need
Most popular trains to and from Merthyr Tydfil and Cardiff
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