The average train between Slough and Wales takes 2h 10m and the fastest train takes 1h 52m. There is an hourly train service from Slough to Wales. 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 Wales. The earliest departure is at 5:22 AM in the morning, and the last departure from Slough is at 9:17 PM which arrives into Wales at 11:36 PM. All services require a transfer, and take on average 2h 10m. The schedules shown below are for the next available departures.

2h 16m • 1 change

2h 12m • 1 change

2h 16m • 1 change

2h 14m • 1 change

2h 9m • 1 change

1h 52m • 1 change

1h 58m • 1 change

1h 59m • 1 change

2h 44m • 1 change

2h 1m • 1 change

2h 7m • 1 change

2h 5m • 1 change
Want to know about travelling from Slough to Wales? 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 Wales. However, there are services departing from Slough station and arriving at Wales station via Cardiff Central. The journey, including transfers, takes approximately 2h 10m.
Slough to Wales train services, operated by Great Western Railway (GWR), depart from Reading station.
Slough to Wales train services, operated by Great Western Railway (GWR), arrive at Cardiff Central station.
Book your Slough to Wales train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Slough and Wales is 232.6 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.