🚌 Bus from Cardiff to Merthyr Tydfil
1 direct route · about 59 min · first bus 07:37, last bus 18:25 (weekdays).
💷 Fares on this journey are set by the operator — the England fare cap doesn't apply in Wales. Check the operator's website or Traveline Cymru for current prices. Who travels free →
Direct routes
| Route | Operator | Journey time | Weekday journeys | First | Last | Board at |
|---|---|---|---|---|---|---|
| X4 | Stagecoach South Wales | ~59 min | 11 | 07:37 | 18:25 | Greyfriars Road GJ |
Times are for the first boarding point in Cardiff on each route's weekday timetable — open the route for the full timetable, live map and every stop.
Frequently asked questions
Which bus goes from Cardiff to Merthyr Tydfil?
The X4 (Stagecoach South Wales) runs directly from Cardiff to Merthyr Tydfil.
How long does the bus take from Cardiff to Merthyr Tydfil?
Around 59 minutes on the X4, depending on time of day and traffic.
What time is the first and last bus from Cardiff to Merthyr Tydfil?
On weekdays the first direct bus (the X4) leaves around 07:37 and the last around 18:25. Check the route timetable for weekends.
How much is the bus from Cardiff to Merthyr Tydfil?
Fares on this journey are set by the operator — the England fare cap doesn't apply in Wales. Check the operator's website or Traveline Cymru for current prices.