Trains leaving Wednesday
One passenger / one way
- This trip is recommended because it is the: Cheapest + FastestDeparture time: 21 May atDeparture city: Merthyr TydfilDeparture location: Merthyr TydfilArrival time: 21 May atDestination city: CardiffDestination location: Cardiff Queen StreetOperated by: Transport for Wales
Vehicle: TrainDuration: - Departure time: 21 May atDeparture city: Merthyr TydfilDeparture location: Merthyr TydfilArrival time: 21 May atDestination city: CardiffDestination location: Cardiff Queen StreetOperated by: Transport for WalesVehicle: TrainDuration:
- Departure time: 21 May atDeparture city: Merthyr TydfilDeparture location: Merthyr TydfilArrival time: 21 May atDestination city: CardiffDestination location: Cardiff Queen StreetOperated by: Transport for WalesVehicle: TrainDuration:
- Departure time: 21 May atDeparture city: Merthyr TydfilDeparture location: Merthyr TydfilArrival time: 21 May atDestination city: CardiffDestination location: Cardiff Queen StreetOperated by: Transport for WalesVehicle: TrainDuration:
- Departure time: 21 May atDeparture city: Merthyr TydfilDeparture location: Merthyr TydfilArrival time: 21 May atDestination city: CardiffDestination location: Cardiff Queen StreetOperated by: Transport for WalesVehicle: TrainDuration:
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Train Merthyr Tydfil to Cardiff: Trip Overview
Please note, this information is subject to change.
Train Companies
Based on 7 reviews, the company was rated 3.2 stars on Busbud. Travellers were especially satisfied with the staff and the timeliness but often complained with the ticket access. Transport for Wales ticket prices on this trip start at US$9.00
Merthyr Tydfil to Cardiff Train
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Discover how much the train trip from Merthyr Tydfil to Cardiff will cost you. Use our filters and sorting features to find the cheapest train tickets or high-end trains.
Frequently asked questions on the trip Merthyr Tydfil - Cardiff
How much does a cheap train ticket from Merthyr Tydfil to Cardiff cost?
The average train ticket price from Merthyr Tydfil to Cardiff is US$9. The best way to find cheap train tickets from Merthyr Tydfil to Cardiff is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the train trip from Merthyr Tydfil to Cardiff?
A train trip between Merthyr Tydfil and Cardiff is around 59m, although the fastest train will take about 55m. This is the time it takes to travel the 21 miles that separates the two cities.
How many daily train are there between Merthyr Tydfil and Cardiff?
The number of trains from Merthyr Tydfil to Cardiff can differ depending on the day of the week. On average, there are 12. Some trains are direct while others include transferring trains. Simplify your train trip from Merthyr Tydfil to Cardiff by comparing and selecting the train that fits your travel style and budget on Busbud.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Merthyr Tydfil to Cardiff was searched and found on 14 May 2025 with a price of US$9To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Merthyr Tydfil to Cardiff as early as possible.
You can expect to pay from US$9 to US$9 for a train ticket from Merthyr Tydfil to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at US$9, which is on 2025-05-21.
About Train Travel
Train Travel Tips
There are many train stations in the world, explore station pages on Busbud to get all information you need.
Whether you take a regional or high-speed train to Cardiff, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.
With up to 30x less CO2 emissions for your train journey between Merthyr Tydfil and Cardiff, the train is an ecological alternative to flights or personal cars.
Create your own real-life musical score by curating a personalised train travel playlist – the perfect accompaniment for your journey from Merthyr Tydfil to Cardiff.
Did you know?
The longest train journey in the world is between Europe and Asia. This long journey starts from Porto in Portugal and crosses the whole European continent to reach Hanoi in Vietnam in 12 days while travelling more than 17,000 km.
You can find the straightest railway in the world in Australia. This railway line is 478 kilometres long and is also considered the longest and straightest railway line in the world.
The magnetic levitation train (Maglev for short) is currently the fastest train in the world. With a speed of 603 km/ h, it is closely followed by the French high-speed train (574.8 km / h) which remains in 2020, the fastest train to date
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