The average train between Chepstow and Sea Mills Station takes 2h 17m and the fastest train takes 1h 19m. There is a train service every few hours from Chepstow to Sea Mills Station. 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 Chepstow and Sea Mills Station. The earliest departure is at 6:17 AM in the morning, and the last departure from Chepstow is at 11:38 PM which arrives into Sea Mills Station at 5:29 AM. All services require a transfer at Severn Tunnel Junction and take an average of 2h 17m. The schedules shown below are for the next available departures.


1h 44m • 2 changes


1h 37m • 2 changes


1h 42m • 2 changes


1h 45m • 2 changes


2h 51m • 2 changes


2h 48m • 2 changes


2h 50m • 2 changes


2h 4m • 2 changes


1h 48m • 2 changes


1h 43m • 2 changes


1h 44m • 2 changes


1h 42m • 2 changes


1h 48m • 2 changes


1h 43m • 2 changes


1h 44m • 2 changes


1h 42m • 2 changes
Want to know about travelling from Chepstow to Sea Mills Station? 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 Chepstow to Sea Mills Station. However, there are services departing from Chepstow station and arriving at Sea Mills Station station via Bristol Temple Meads. The journey, including transfers, takes approximately 2h 17m.
Chepstow to Sea Mills Station train services, operated by Transport for Wales, depart from Severn Tunnel Junction station.
Chepstow to Sea Mills Station train services, operated by Transport for Wales, arrive at Sea Mills station.
Book your Chepstow to Sea Mills Station train tickets online with Transport for Wales, Great Western Railway (GWR) and Cross Country.
The distance between Chepstow and Sea Mills Station is 18 km. The road distance is 48 km.
You can take a train from Chepstow to Sea Mills via Severn Tunnel Junction and Bristol Temple Meads in around 1h 39m.