The average train between Slough and Cardiff takes 2h 10m and the fastest train takes 1h 52m. There is an hourly train service from Slough to Cardiff. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Slough and Cardiff. The earliest departure is at 5:22 AM in the morning, and the last departure from Slough is at 10:54 PM which arrives into Cardiff at 1:08 AM. All services require a transfer, and take on average 2h 10m. The schedules shown below are for the next available departures.
Want to know about travelling from Slough to Cardiff? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Slough to Cardiff. However, there are services departing from Slough station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 2h 10m.
Slough to Cardiff train services, operated by Great Western Railway (GWR), depart from Reading station.
Slough to Cardiff train services, operated by Great Western Railway (GWR), arrive at Cardiff Central station.
Book your Slough to Cardiff train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Slough and Cardiff is 178.9 km. The road distance is 203 km.
Great Western Railway (GWR) operates a train from Reading to Cardiff Central hourly. Tickets cost £45–95 and the journey takes 1h 33m.
