Coronavirus Update Close

In line with the latest government guidance, we've put in place further measures in England to help customers practise social distancing. This includes limiting the available seats on buses.  

The safety of our customers and employees is our priority, so please avoid busy times, wear a face covering if you can, use contactless payment and take your litter with you.

For up to date information, see our Coronavirus page


Merthyr Tydfil to Cardiff on our T4 T14 X4 Services

Live in Merthyr Tydfil and looking for a fast, comfortable way to reach Pontypridd or Cardiff? Use our T4/T4 T14 services! Our buses free Wi-Fi alongside plenty of other handy benefits.


Journey Information from Merthyr to Cardiff

  • Fare information below
  • Average journey time: 60 mins
  • Changes:  Direct service
  • Service Level:  Monday to Saturday: up to every 15 minutes
  • Bus operators:  Stagecoach
  • Origin:  Merthyr Tydfil Bus Station
  • Destination:  Cardiff - Tresillian Way


View T4 Timetable

View T14 Timetable

View X4 Timetable



Compare prices

Getting from A to B doesn't have to be expensive with Stagecoach. Our prices can be up to 15% cheaper than train tickets. See how our bus fares compare to rail fares below:

Scroll table horizontally to view table content

Bus Single Rail Single
Merthyr Tydfil to Cardiff £5.60 £6.10
Bus Return  Rail Return *
Merthyr Tydfil to Cardiff £7.20 £8.40

£5 for 2 adults (2gether dayrider ticket)

£3.30 for 2 young people** (2gether dayrider ticket)



* based on a anytime day return

**both people must show a valid 'mytravelpass' card

How can I buy a ticket?

You are able to buy your ticket on the day from your T14 driver - whether that's a single, return, day or even a weekly ticket.
You can now buy day and week tickets on our APP, download today Stagecoach Bus App

Use the bus ticket finder to find all available tickets for your journey, simply enter your from/to destinations and preferred time/date of travel.

Under 22?, You can also benefit from 1/3 off their ticket price with a mytravelpass.

Why travel by T4/T14/X4? 

Free Wi-Fi,  
Dedicated wheelchair space 
Connects Merthyr Tydfil with Pontypridd and Cardiff
Pay by contactless for your ticket
We've also introduced next stop audio/visual bilingual announcements!

USB ChargingContactless





How long does it take to travel from Merthyr Tydfil to Cardiff?

On average, the journey from Merthyr Tydfil to Cardiff takes about 60 minutes.

Is this a direct service?

Yes, this is a direct service. No changes are required.

What time is the first bus to Cardiff?

The first bus departs Merthyr Tydfil at 0620.

What time is the last bus to Cardiff?

The last bus departs Merthyr Tydfil at 2210.

If you still can't find the answer you need please contact the 

Stagecoach team; for more information - there are plenty of

ways to get in touch.


We also have the following other services that serve the Cardiff area!


Why not catch a little bit of luxury on our 132 Gold service up to every 12 minutes between Maerdy and Cardiff Bay!

Our service 122 runs up to every 15 minutes from Tonypandy via Talbot Green and Danescourt.

We now have our newest Gold service from Caerphilly and Blackwood on Service 26 every 30 minutes!