The average train between Cardiff and Seaham takes 6h 57m and the fastest train takes 5h 42m. There is a train service every few hours from Cardiff to Seaham. 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 Seaham. The earliest departure is at 5:14 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Seaham at 10:08 AM. All services require a transfer at London Paddington and take an average of 6h 57m. The schedules shown below are for the next available departures.



6h 14m • 3 changes



6h 17m • 3 changes



5h 50m • 3 changes



6h 29m • 3 changes



5h 54m • 3 changes



5h 48m • 3 changes



5h 50m • 3 changes



5h 45m • 3 changes



6h 25m • 3 changes



5h 55m • 3 changes



5h 55m • 3 changes



5h 55m • 3 changes



6h 14m • 3 changes



6h 17m • 3 changes



5h 50m • 3 changes



6h 29m • 3 changes
Want to know about travelling from Cardiff to Seaham? 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 Seaham. However, there are services departing from Cardiff station and arriving at Seaham station via London Paddington. The journey, including transfers, takes approximately 6h 57m.
Cardiff to Seaham train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Seaham train services, operated by Great Western Railway (GWR), arrive at Newcastle station.
Book your Cardiff to Seaham train tickets online with Great Western Railway (GWR), London Underground (Tube) and 2 other operators.
The distance between Cardiff and Seaham is 393 km. The road distance is 694 km.
You can take a train from Cardiff Central to Seaham via London Paddington, Paddington, King's Cross St. Pancras station, King's Cross, and Newcastle in around 6h 9m.