The average train between Isleworth and Cardiff takes 2h 48m and the fastest train takes 2h 28m. There is an hourly train service from Isleworth 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 Isleworth and Cardiff. The earliest departure is at 5:57 AM in the morning, and the last departure from Isleworth is at 11:35 PM which arrives into Cardiff at 8:06 AM. All services require a transfer at Earl's Court station and take an average of 2h 48m. The schedules shown below are for the next available departures.


2h 38m • 2 changes


2h 34m • 2 changes


2h 41m • 2 changes


2h 30m • 2 changes


2h 43m • 2 changes


2h 45m • 2 changes


2h 32m • 2 changes


2h 38m • 2 changes


2h 43m • 2 changes


2h 45m • 2 changes


2h 32m • 2 changes


2h 38m • 2 changes
Want to know about travelling from Isleworth 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 Isleworth to Cardiff. However, there are services departing from Isleworth station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 2h 48m.
Isleworth to Cardiff train services, operated by London Underground (Tube), depart from London Paddington station.
Isleworth to Cardiff train services, operated by London Underground (Tube), arrive at Cardiff Central station.
Book your Isleworth to Cardiff train tickets online with London Underground (Tube) and Great Western Railway (GWR).
The distance between Isleworth and Cardiff is 196.5 km. The road distance is 249 km.
Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £60–130 and the journey takes 1h 58m.