The average train between Llanelli and Seaham takes 9h 4m and the fastest train takes 7h 7m. There is a train service every few hours from Llanelli 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 Llanelli and Seaham. The earliest departure is at 5:01 AM in the morning, and the last departure from Llanelli is at 11:10 PM which arrives into Seaham at 12:07 PM. All services require a transfer at Swansea and take an average of 9h 4m. The schedules shown below are for the next available departures.




7h 7m • 4 changes




7h 12m • 4 changes




7h 14m • 4 changes




7h 11m • 4 changes




7h 16m • 4 changes




7h 16m • 4 changes




7h 17m • 4 changes




7h 22m • 4 changes




8h 5m • 4 changes




7h 17m • 4 changes




7h 47m • 4 changes




7h 8m • 4 changes




8h 5m • 4 changes




7h 17m • 4 changes




7h 47m • 4 changes




7h 8m • 4 changes
Want to know about travelling from Llanelli 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 Llanelli to Seaham. However, there are services departing from Llanelli station and arriving at Seaham station via London Paddington. The journey, including transfers, takes approximately 9h 4m.
Llanelli to Seaham train services, operated by Transport for Wales, depart from Swansea station.
Llanelli to Seaham train services, operated by Transport for Wales, arrive at Newcastle station.
Book your Llanelli to Seaham train tickets online with Transport for Wales, Great Western Railway (GWR) and 3 other operators.
The distance between Llanelli and Seaham is 397.8 km. The road distance is 784 km.
You can take a train from Llanelli to Seaham via Swansea, London Paddington, Paddington, King's Cross St. Pancras station, King's Cross, and Newcastle in around 8h 19m.