The average train between Slough and Chepstow Castle takes 2h 56m and the fastest train takes 2h 18m. There is a train service every few hours from Slough to Chepstow Castle. 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 Chepstow Castle. The earliest departure is at 6:17 AM in the morning, and the last departure from Slough is at 9:24 PM which arrives into Chepstow Castle at 6:16 AM. All services require a transfer at Reading and take an average of 2h 56m. The schedules shown below are for the next available departures.


2h 33m • 2 changes


2h 49m • 2 changes


3h • 2 changes


3h 3m • 2 changes


2h 35m • 2 changes


2h 27m • 2 changes


2h 51m • 2 changes


2h 28m • 2 changes


2h 35m • 2 changes


2h 27m • 2 changes


2h 51m • 2 changes


2h 28m • 2 changes


2h 35m • 2 changes


2h 27m • 2 changes


2h 51m • 2 changes


2h 28m • 2 changes
Want to know about travelling from Slough to Chepstow Castle? 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 Chepstow Castle. However, there are services departing from Slough station and arriving at Chepstow Castle station via Gloucester. The journey, including transfers, takes approximately 2h 56m.
Slough to Chepstow Castle train services, operated by Great Western Railway (GWR), depart from Reading station.
Slough to Chepstow Castle train services, operated by Great Western Railway (GWR), arrive at Chepstow station.
Book your Slough to Chepstow Castle train tickets online with Great Western Railway (GWR), Cross Country and 2 other operators.
The distance between Slough and Chepstow Castle is 144.5 km. The road distance is 198 km.
You can take a train from Slough to Chepstow Castle via Reading, Gloucester, and Chepstow in around 3h 37m.