The London to Cardiff train is a major United Kingdom rail service covering approximately 250 km with a journey time of 2h. The route connects London and Cardiff, passing through key urban and regional centres.

Tickets can be booked through National Rail. Prices vary by class, seat availability and booking time — booking in advance is recommended for popular departure times and holiday periods.

At 250 km, the average speed on this route is approximately 125 km/h.

TrainsTracking provides real-time live tracking, platform information, delay alerts and full timetables for all United Kingdom train services. Use the live schedule link to check current departure times.

Frequently Asked Questions

How long does the train from London to Cardiff take?

The journey from London to Cardiff takes approximately 2h. Times may vary by train type and stops en route. Always check the live schedule for current timings.

How far is London from Cardiff by train?

The rail distance from London to Cardiff is approximately 250 km.

How do I book a train ticket from London to Cardiff?

Book tickets through National Rail at https://www.nationalrail.co.uk. You can also buy at station ticket offices. Book in advance for the best prices.

Are there direct trains from London to Cardiff?

Yes, direct trains include: Avanti West Coast, Avanti West Coast, LNER Azuma.