The average train between Wales and Hounslow takes 2h 21m and the fastest train takes 2h 15m. There is an hourly train service from Wales to Hounslow. 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 Wales and Hounslow. The earliest departure is at 5:07 AM in the morning, and the last departure from Wales is at 9:20 PM which arrives into Hounslow at 11:39 PM. All services require a transfer, and take on average 2h 21m. The schedules shown below are for the next available departures.

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2h 33m • 1 changeWant to know about travelling from Wales to Hounslow? 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 Wales to Hounslow. However, there are services departing from Cardiff Central station and arriving at Southall station via Reading station. The journey, including transfers, takes approximately 2h 21m.
Wales to Hounslow train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Wales to Hounslow train services, operated by Elizabeth Line (TfL), arrive at Southall station.
The distance between Wales and Hounslow is 249.3 km. The road distance is 224 km.
You can take a train from Cardiff Central to Southall via Reading in around 2h 21m.