The average train between Cardiff and King's Cross Station takes 2h 11m and the fastest train takes 2h 4m. There is an hourly train service from Cardiff to King's Cross Station. 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 Cardiff and King's Cross Station. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into King's Cross Station at 11:44 PM. All services require a transfer at London Paddington and take an average of 2h 11m. The schedules shown below are for the next available departures.

2h 8m • 1 change

2h 7m • 1 change

2h 13m • 1 change

2h 7m • 1 change

2h 15m • 1 change

2h 9m • 1 change

2h 11m • 1 change

2h 11m • 1 change

2h 19m • 1 change

2h 9m • 1 change

2h 4m • 1 change

2h 4m • 1 change
Want to know about travelling from Cardiff to King's Cross Station? 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 Cardiff to King's Cross Station. However, there are services departing from Cardiff station and arriving at King's Cross Station station via London Paddington. The journey, including transfers, takes approximately 2h 11m.
Cardiff to King's Cross Station train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to King's Cross Station train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
Book your Cardiff to King's Cross Station train tickets online with Great Western Railway (GWR) and London Underground (Tube).
The distance between Cardiff and King's Cross Station is 211.6 km. The road distance is 237 km.
Great Western Railway (GWR) operates a train from Cardiff Central to London Paddington hourly. Tickets cost £65–130 and the journey takes 1h 49m.