The average train between Barry Island and Portsmouth Harbour takes 4h 9m and the fastest train takes 4h. There is a train service every few hours from Barry Island to Portsmouth Harbour. 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 Barry Island and Portsmouth Harbour. The earliest departure is at 5:49 AM in the morning, and the last departure from Barry Island is at 10:49 PM which arrives into Portsmouth Harbour at 12:51 PM. All services require a transfer at Cardiff Central and take an average of 4h 9m. The schedules shown below are for the next available departures.

4h 4m • 1 change

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4h 16m • 1 change

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Want to know about travelling from Barry Island to Portsmouth Harbour? 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 Barry Island to Portsmouth Harbour. However, there are services departing from Barry Island station and arriving at Portsmouth Harbour station via Portsmouth Harbour. The journey, including transfers, takes approximately 4h 9m.
Barry Island to Portsmouth Harbour train services, operated by Transport for Wales, depart from Cardiff Central station.
Barry Island to Portsmouth Harbour train services, operated by Transport for Wales, arrive at Portsmouth Harbour station.
Book your Barry Island to Portsmouth Harbour train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Barry Island and Portsmouth Harbour is 164.9 km. The road distance is 239 km.
Great Western Railway (GWR) operates a train from Cardiff Central to Portsmouth Harbour hourly. Tickets cost £60–120 and the journey takes 3h 23m.