The average train between Sway and Cardiff takes 3h 43m and the fastest train takes 3h 1m. There is a train service every few hours from Sway to Cardiff. 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 Sway and Cardiff. The earliest departure is at 6:05 AM in the morning, and the last departure from Sway is at 11:34 PM which arrives into Cardiff at 9:46 AM. All services require a transfer, and take on average 3h 43m. The schedules shown below are for the next available departures.

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Arrives next day

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3h 21m • 1 change
Want to know about travelling from Sway to Cardiff? 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 Sway to Cardiff. However, there are services departing from Sway station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 3h 43m.
Sway to Cardiff train services, operated by South Western Railway, depart from Southampton Central station.
Sway to Cardiff train services, operated by South Western Railway, arrive at Cardiff Central station.
Book your Sway to Cardiff train tickets online with South Western Railway and Great Western Railway (GWR).
The distance between Sway and Cardiff is 134.1 km. The road distance is 211 km.
Great Western Railway (GWR) operates a train from Southampton Central to Cardiff Central hourly. Tickets cost £50–95 and the journey takes 2h 37m.