The average train between Cardiff and Winchester takes 3h 28m and the fastest train takes 3h. There is a train service every few hours from Cardiff to Winchester. 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 Winchester. 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 Winchester at 5:17 AM. All services require a transfer, and take on average 3h 28m. The schedules shown below are for the next available departures.

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3h • 1 change

3h 12m • 1 change

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3h 2m • 1 change
Want to know about travelling from Cardiff to Winchester? 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 Cardiff to Winchester. However, there are services departing from Cardiff station and arriving at Winchester station via Southampton Central. The journey, including transfers, takes approximately 3h 28m.
Cardiff to Winchester train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Winchester train services, operated by Great Western Railway (GWR), arrive at Southampton Central station.
Book your Cardiff to Winchester train tickets online with Great Western Railway (GWR), South Western Railway and Cross Country.
The distance between Cardiff and Winchester is 137.4 km. The road distance is 204 km.
Great Western Railway (GWR) operates a train from Cardiff Central to Southampton Central hourly. Tickets cost £50–100 and the journey takes 2h 34m.