The average train between Hounslow and Chepstow takes 3h 16m and the fastest train takes 2h 29m. There is a train service every few hours from Hounslow to Chepstow. 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 Hounslow and Chepstow. The earliest departure is at 3:49 AM at night, and the last departure from Hounslow is at 10:32 PM which arrives into Chepstow at 6:44 AM. All services require a transfer at Reading and take an average of 3h 16m. The schedules shown below are for the next available departures.


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2h 45m • 2 changesWant to know about travelling from Hounslow to Chepstow? 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 Hounslow to Chepstow. However, there are services departing from Southall station and arriving at Newport (S Wales) station via Reading station. The journey, including transfers, takes approximately 3h 16m.
Hounslow to Chepstow train services, operated by Elizabeth Line (TfL), depart from Southall station.
Hounslow to Chepstow train services, operated by Great Western Railway (GWR), arrive at Newport (S Wales) station.
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The distance between Hounslow and Chepstow is 161.3 km. The road distance is 184 km.
You can take a train from Southall to Chepstow via Reading and Newport (S Wales) in around 3h.