- Must visit
National Museum Cardiff
Wales’s national art and natural history museum, with Impressionist paintings, geology, and major collections in an elegant civic building.
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The cheapest and fastest trains from Merthyr Tydfil to Cardiff
Showing times and prices for Aug 17
Cheapest price
CHF7
Average price
CHF7
Fastest journey
1 h 3 m
Average duration
1 h 3 m
Trains per day
1
Distance
33 km
Cheap tickets
The best way to find a cheap train ticket from Merthyr Tydfil to Cardiff is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Merthyr Tydfil to Cardiff will cost around CHF7 if you buy it on the day, but the cheapest tickets can be found for only CHF7.
Fast trains
Of the 1 trains that leave Merthyr Tydfil for Cardiff on Mon, Aug 17, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Aug 17 the direct trains cover the 33 km distance in an average of 1 h 3 m but if you time it right, some trains will get you there in just 1 h 3 m .
On Mon, Aug 17 the slowest trains will take 1 h 3 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.
9:39 AM1h03Merthyr Tydfil10:42 AMCardiffCHF71One-way0 transfers
- 9:39 AM1h03Merthyr Tydfil10:42 AMCardiffCHF71One-way0 transfers
Travel Information
Compare train and bus for Merthyr Tydfil to Cardiff
Omio recommends booking the train as it is the most popular option from Merthyr Tydfil to Cardiff among Omio's users. If you are prioritising price take the train with prices starting from CHF7. For those with little time consider booking a train which can get you there in 1h 3m. The ticket price range depends on the travel mode: a train costs an average of CHF7, and a bus costs an average of CHF10.
Distance: 20 miles (33 km)
Compare train with
Most popular Train | Bus | Driving |
|---|---|---|
CHF7 Average price Cheapest | CHF10 Average price | CHF7 Average price (fuel + tolls) |
1h 33m Average total duration Fastest 1h 3m Onboard + 30m Additional time* | 1h 57m Average total duration 1h 27m Onboard + 30m Additional time* | 43m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options |
The cheapest way to travel from Merthyr Tydfil to Cardiff is a train with an average price of CHF7.
This is compared to other travel options from Merthyr Tydfil to Cardiff:
A train is CHF3 less than a bus for this route with tickets for a bus from Merthyr Tydfil to Cardiff costing on average CHF10.
The fastest way to travel from Merthyr Tydfil to Cardiff is by train with an average journey time of 1h 3m.
Other travel options to Cardiff take longer:
Bus takes on average 1h 27m.
It's helpful to compare your options as there are 2 ways to travel between Merthyr Tydfil and Cardiff including taking a train and bus.
We recommend using the train as it is the most popular way to get from Merthyr Tydfil to Cardiff 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 CHF7 compared to roughly CHF7 in fuel and tolls — a saving of about CHF0.53. The journey takes 1h 3m versus 43m 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
Merthyr Tydfil to Cardiff train times
The table below shows live departures for Merthyr Tydfil to Cardiff trains for today, Sunday, August 16. You can also manually refresh the results below to see updated train journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| G39534 | On time 9:39 AM Merthyr Tydfil station (MER) | 1h02 | 10:41 AM Cardiff Central (CDF) | 0 transfersDirect | |
| G39535 | On time 10:39 AM Merthyr Tydfil station (MER) | 1h02 | 11:41 AM Cardiff Central (CDF) | 0 transfersDirect | |
| G39538 | On time 11:39 AM Merthyr Tydfil station (MER) | 1h02 | 12:41 PM Cardiff Central (CDF) | 0 transfersDirect | |
| G39540 | On time 12:39 PM Merthyr Tydfil station (MER) | 1h02 | 1:41 PM Cardiff Central (CDF) | 0 transfersDirect | |
| G39543 | On time 1:39 PM Merthyr Tydfil station (MER) | 1h02 | 2:41 PM Cardiff Central (CDF) | 0 transfersDirect | |
| G39544 | On time 2:39 PM Merthyr Tydfil station (MER) | 1h02 | 3:41 PM Cardiff Central (CDF) | 0 transfersDirect | |
| Y62588 | On time 3:39 PM Merthyr Tydfil station (MER) | 1h02 | 4:41 PM Cardiff Central (CDF) | 0 transfersDirect | |
| Y62714 | On time 4:39 PM Merthyr Tydfil station (MER) | 1h02 | 5:41 PM Cardiff Central (CDF) | 0 transfersDirect | |
| Y62663 | On time 5:39 PM Merthyr Tydfil station (MER) | 1h01 | 6:40 PM Cardiff Central (CDF) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Merthyr Tydfil to Cardiff by train or bus
Compare train and bus 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.
Mon
Aug 17
Aug 17
Tue
Aug 18
Aug 18
Wed
Aug 19
Aug 19
Thu
Aug 20
Aug 20
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Aug 21
Aug 21
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Aug 23
Aug 23
Why should you book Merthyr Tydfil to Cardiff trains with Omio?
Transport for Wales as well as Transport for Wales offer trains services from Merthyr Tydfil to Cardiff.
Omio is an official ticket reseller for all your travel options from Merthyr Tydfil to Cardiff.
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 Merthyr Tydfil to Cardiff.
- 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 train and bus to ensure you get the best deal for traveling from Merthyr Tydfil to Cardiff.
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Merthyr Tydfil to Cardiff.
Journey information
Overview: Train from Merthyr Tydfil to Cardiff
United KingdomUnited Kingdom
Trains from Merthyr Tydfil to Cardiff run on average 7 times per day, taking around 1h 3m. Cheap train tickets for this journey start at CHF7 if you book in advance.
There are 7 trains per day. The earliest train runs at 00:03, the last at 23:43. The fastest train covers the 20 miles (33 km) distance in 1h 1m.
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 3m |
Cheapest ticket price CHF7 |
Trains per day 7 |
Direct trains 7 |
Fastest train 1h 1m |
First train 12:03 AM |
Last train 11:43 PM |
Cheapest Month Nov |
Cheapest Day Sun |
High Season Jul - Sep |
Low Season Oct - Dec |
Busiest Day Sat |
Least Busy Day Thu |
Best time to book 1 day |
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 Merthyr Tydfil to Cardiff trainsTransport for Wales trains will get you between Merthyr Tydfil and Cardiff from CHF7. 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 1m
Cheapest Price
CHF7
Transport for Wales frequency
7 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 Cardiff
Things to do in Cardiff
Discover the best of Cardiff — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Cardiff trip today.
- Must visit
St Fagans National Museum of History
Open-air history museum with rescued Welsh buildings, crafts, and exhibitions that bring everyday life from different eras vividly to life.
- Recommended
Museum of Cardiff
Compact city-centre museum telling Cardiff’s story through local archaeology, industry, and community displays inside the Old Library.
- Must visit
Cardiff Bay
Revitalised waterfront district with basin views, modern landmarks, trails, and easy access to culture, public art, and waterside walks.
- Must visit
Bute Park
Large central park behind the castle, ideal for riverside walks, arboretum views, sculptures, and quick escapes from the busy centre.
- Recommended
Royal Arcade
Victorian shopping arcade packed with independent boutiques and period detail, representing Cardiff’s famous arcade culture at its best.
- Vegetarian
- Vegan
- Gluten-free
Laverbread
A Welsh breakfast staple of seaweed cooked into a savoury puree, often served with oats or alongside bacon and cockles. It is a classic taste of Welsh coastal cooking.
- Gluten-free
Welsh Cockles
Cockles gathered from the Welsh coast, commonly eaten with laverbread. They are a long-standing local delicacy linked to South Wales seaside food culture.
- Gluten-free
Cawl
A traditional Welsh broth made with lamb or beef, root vegetables, and leeks. It is hearty, homely, and closely associated with Welsh family cooking.
Heaneys
Refined modern British dining with tasting menus in an elegant city-centre setting. It is one of Cardiff’s most acclaimed fine dining restaurants.
Asador 44
A stylish venue known for seasonal Welsh ingredients, creative small plates, and a relaxed but polished atmosphere near the city centre.
Cardiff Market
Historic indoor market ideal for casual local food, Welsh cakes, fresh produce, and traditional snacks. It offers a lively everyday taste of Cardiff.
British pound sterling (£)
Moderate for the UK. Hotels and dining are usually cheaper than London, while local transit and casual meals are manageable for most visitors.
Average meal costs
- Budget
- £8-15 for fast food or a casual lunch.
- Mid-range
- £18-35 per person for a restaurant meal.
- Fine dining
- £60+ per person for upscale dining.
- Coffee
- £3-4.50 for a cappuccino.
Tipping culture
Restaurants often add a 10-12.5% service charge; if not, tip around 10%. Taxi tips are optional, often rounded up. Cafes usually do not require tipping, but small tips are appreciated.
Transport for Wales
Get the appOfficial public transport app
Prices
- Single ticket
- £2.00
- Day pass
- £4.70
To the city center
Cardiff Central -> St Mary Street, Cardiff
- Distance
- 900 m
- Travel time
- 12 min
- Cardiff Bus accepts contactless card and mobile payments on buses. Exact fare is not needed if you pay contactless.
- For rail travel around Cardiff, use the official Transport for Wales app for tickets and live times.
FAQs: Trains from Merthyr Tydfil to Cardiff
Find answers to the most common questions about traveling from Merthyr Tydfil to Cardiff 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 Cardiff, this guide helps you travel smarter and with confidence.
Train ticket prices from Merthyr Tydfil to Cardiff can vary. The cheapest ticket starts at CHF7, while the average price is around CHF7.
The train from Merthyr Tydfil to Cardiff takes 1h 1m and runs 7 per day.
The first train from Merthyr Tydfil to Cardiff leaves at 12:03 AM.
The distance by train from Merthyr Tydfil to Cardiff is 20 miles (33 km).
The last train from Merthyr Tydfil to Cardiff leaves at 11:43 PM.
There is no high speed train available from Merthyr Tydfil to Cardiff.
Yes, there is a direct train from Merthyr Tydfil to Cardiff. This service operates 7 times per day, provided by Transport for Wales, Transport for Wales.
Unfortunately, there is no night train available from Merthyr Tydfil to Cardiff.
The train station in Merthyr Tydfil that goes to Cardiff is Merthyr Tydfil station (MER), which connects to Cardiff Central (CDF).
The cheapest way to get from Merthyr Tydfil to Cardiff is by train, with a cost of around CHF7.
Yes, the train journey from Merthyr Tydfil to Cardiff is considered scenic, offering views of the picturesque Welsh Valleys, lush landscapes, and rolling hills along the way.
Yes, a day trip from Merthyr Tydfil to Cardiff is feasible with a journey time of 1h 1m and a distance of 20 miles (33 km). The train service operates 7 times per day.
In Cardiff, you can enjoy a variety of activities and sights. Attend performances at the Millennium Centre, explore the vibrant nightlife in the city center, or take a scenic boat tour around Cardiff Bay. For adventure, visit Cardiff International White Water for rafting and kayaking. Shop and dine at Cardiff Market. Discover history at Cardiff Castle and St Fagans National Museum of History, explore art and culture at the National Museum Cardiff, and relax in Bute Park. Cardiff Bay also offers dining, entertainment, and cultural attractions.
A visit of 2 to 3 days is typically sufficient to explore Cardiff's main attractions, such as Cardiff Castle, the National Museum, and Cardiff Bay, while allowing time for leisure and dining experiences.
Yes, you can take the train from Merthyr Tydfil to Cardiff.
Since neither Merthyr Tydfil nor Cardiff 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 Cardiff include Swansea, Bristol, Bath, Newport, Gloucester.
We recommend using the train as it is the most popular way to get from Merthyr Tydfil to Cardiff 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 Cardiff, travelers should be cautious of pickpocketing, especially in crowded areas like Cardiff Central Station and popular tourist spots. Taxi scams can occur, so it’s advisable to use licensed taxis or reputable ride-hailing apps. Additionally, travelers should be aware of occasional street distractions designed to divert attention while accomplices attempt theft. Staying vigilant and securing personal belongings helps ensure a safe visit.
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 Merthyr Tydfil to Cardiff
Most Merthyr Tydfil to Cardiff trains use the Merthyr Tydfil to Cardiff Central station pair, with some services arriving at Cathays. Use this guide to compare Merthyr Tydfil and Cardiff train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Departure train stations in Merthyr Tydfil
Arrival train stations in Cardiff
Which Merthyr Tydfil station do trains to Cardiff leave from?
Trains from Merthyr Tydfil to Cardiff leave from Merthyr Tydfil. The station is from Merthyr Tydfil city centre at Merthyr Tydfil station, Tramroad Side, Merthyr Tydfil, Merthyr, CF47 0AG.
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.
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 · CHF2 · 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.
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 · CHF1 · 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.
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 · CHF2 · 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.
Most popular train connections from Merthyr Tydfil
More options for your journey from Merthyr Tydfil to Cardiff
Here are some other resources that might have the information you need
Most popular trains to and from Cardiff and Merthyr Tydfil
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