The average train between Milton Keynes and South Wales takes 5h 3m and the fastest train takes 4h 9m. There is a train service every few hours from Milton Keynes to South Wales. 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 Milton Keynes and South Wales. The earliest departure is at 12:29 AM at night, and the last departure from Milton Keynes is at 6:52 PM which arrives into South Wales at 11:38 PM. All services require a transfer at Birmingham New Street and take an average of 5h 3m. The schedules shown below are for the next available departures.


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4h 34m • 2 changes


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8h 10m • 2 changes


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4h 54m • 2 changes


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4h 46m • 2 changes
Want to know about travelling from Milton Keynes to South Wales? 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 Milton Keynes to South Wales. However, there are services departing from Milton Keynes station and arriving at South Wales station via Birmingham New Street. The journey, including transfers, takes approximately 5h 3m.
Milton Keynes to South Wales train services, operated by Avanti West Coast, depart from Milton Keynes Central station.
Milton Keynes to South Wales train services, operated by Avanti West Coast, arrive at Cwmbach station.
Book your Milton Keynes to South Wales train tickets online with Avanti West Coast, Cross Country and 2 other operators.
The distance between Milton Keynes and South Wales is 185.5 km. The road distance is 308 km.
You can take a train from Milton Keynes Central to Cwmbach via Birmingham New Street and Cardiff Central in around 5h.