The average train between London and Cardiff Bay takes 2h 5m and the fastest train takes 1h 44m. The train runs at least 2 times per hour from London to Cardiff Bay. 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 every 30 minutes between London and Cardiff Bay. The earliest departure is at 5:23 AM in the morning, and the last departure from London is at 10:49 PM which arrives into Cardiff Bay at 1:08 AM. All services run direct with no transfers required, and take on average 2h 5m. The schedules shown below are for the next available departures.
Want to know about travelling from London to Cardiff Bay? 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.
Yes, there is a direct train departing from London station and arriving at Cardiff Bay station. Services depart every 30 minutes, and operate Once daily. The journey takes approximately 2h 5m.
London to Cardiff Bay train services, operated by Great Western Railway (GWR), depart from London Paddington station.
London to Cardiff Bay train services, operated by Great Western Railway (GWR), arrive at Cardiff Central station.
Book your London to Cardiff Bay train tickets online with Great Western Railway (GWR).
The distance between London and Cardiff Bay is 210.3 km. The road distance is 232 km.
Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £60–120 and the journey takes 2h 21m.