The average train between Grantham and Cardiff takes 4h 30m and the fastest train takes 4h 2m. The train service runs several times per day from Grantham 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 every 2 hours between Grantham and Cardiff. The earliest departure is at 5:41 AM in the morning, and the last departure from Grantham is at 6:00 PM which arrives into Cardiff at 10:35 PM. All services require a transfer, and take on average 4h 30m. The schedules shown below are for the next available departures.

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Want to know about travelling from Grantham 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 Grantham to Cardiff. However, there are services departing from Grantham station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 4h 30m.
Grantham to Cardiff train services, operated by East Midlands Railways, depart from Nottingham station.
Grantham to Cardiff train services, operated by East Midlands Railways, arrive at Cardiff Central station.
Book your Grantham to Cardiff train tickets online with East Midlands Railways and Cross Country.
The distance between Grantham and Cardiff is 235.1 km. The road distance is 301 km.
Cross Country operates a train from Nottingham to Cardiff Central every 2 hours. Tickets cost £80–120 and the journey takes 3h 18m.