How much does a cheap train ticket from Merthyr Tydfil to Cardiff cost?

The average train ticket price from Merthyr Tydfil to Cardiff is R 155. 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 58m, although the fastest train will take about 54m. This is the time it takes to travel the 33 km 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 11. 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.

Which train companies travel from Merthyr Tydfil to Cardiff?

When taking the train from Merthyr Tydfil to Cardiff, you can travel comfortably and safely with Transport for Wales.

Train Merthyr Tydfil to Cardiff from R 139

Previously seen journeys

Next departures from Merthyr Tydfil to Cardiff on 11 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	20:08	Merthyr Tydfil	55m	21:03	Cardiff Queen Street	No tags
Train	20:38	Merthyr Tydfil	59m	21:37	Cardiff Queen Street	No tags
Train	21:08	Merthyr Tydfil	55m	22:03	Cardiff Queen Street	No tags
Train	21:38	Merthyr Tydfil	58m	22:36	Cardiff Queen Street	No tags
Train	22:36	Merthyr Tydfil	58m	23:34	Cardiff Queen Street	No tags

Get from Merthyr Tydfil to Cardiff

This route is served by train only

The journey takes about 58 minutes, and with fares starting at just R 155, it presents an excellent value for a comfortable ride.

11train per day

58mAverage duration

33 kmDistance

1kgCO₂ emissions

Train Companies

Transport for Wales

3.5/58 reviews

Staff5

Timeliness5

Cleanliness5

WiFi5

Based on 8 reviews, the company was rated 3.5 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 R 155

GB train companies: Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

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 R 155. 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 58m, although the fastest train will take about 54m. This is the time it takes to travel the 33 km 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 11. 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.
Which train companies travel from Merthyr Tydfil to Cardiff?
When taking the train from Merthyr Tydfil to Cardiff, you can travel comfortably and safely with Transport for Wales.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

09/11

R 142

10/11

R 142

Today

R 142

12/11

R 142

13/11

R 143

14/11

R 143

15/11

R 143

16/11

R 139

The cheapest trip from Merthyr Tydfil to Cardiff was searched and found on 16 Nov 2025 with a price of R 139

To 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 R 139 to R 143 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 R 139, which is on 2025-11-16.