- Distance: 139.1 mi
- Duration: 3h 19m
The average train between Cardiff and Portsmouth takes 3h 19m and the fastest train takes 3h 15m. There is a train service every few hours from Cardiff to Portsmouth. 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 Cardiff and Portsmouth. The earliest departure is at 6:28 AM in the morning, and the last departure from Cardiff is at 8:30 PM which arrives into Portsmouth at 11:48 PM. All services run direct with no transfers required, and take on average 3h 19m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff to Portsmouth? 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 Cardiff station and arriving at Portsmouth station. Services depart hourly, and operate Once daily. The journey takes approximately 3h 19m.
Cardiff to Portsmouth train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Portsmouth train services, operated by Great Western Railway (GWR), arrive at Portsmouth & Southsea station.
Book your Cardiff to Portsmouth train tickets online with Great Western Railway (GWR).
The distance between Cardiff and Portsmouth is 164.2 km. The road distance is 224 km.
Great Western Railway (GWR) operates a train from Cardiff Central to Portsmouth & Southsea hourly. Tickets cost £60–120 and the journey takes 3h 17m.
