The average train between Llanelli and Chepstow takes 2h 40m and the fastest train takes 1h 43m. There is a train service every few hours from Llanelli to Chepstow. 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 Chepstow. The earliest departure is at 6:02 AM in the morning, and the last departure from Llanelli is at 11:11 PM which arrives into Chepstow at 6:45 AM. All services require a transfer, and take on average 2h 40m. The schedules shown below are for the next available departures.

2h 17m • 1 change
Arrives next day

3h 22m • 1 change
Arrives next day

7h 34m • 1 change

2h 12m • 1 change

2h 14m • 1 change

2h 25m • 1 change

2h 24m • 1 change

2h 12m • 1 change

2h 14m • 1 change

2h 25m • 1 change

2h 24m • 1 change
Want to know about travelling from Llanelli to Chepstow? 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 Chepstow. However, there are services departing from Llanelli station and arriving at Chepstow station via Cardiff Central. The journey, including transfers, takes approximately 2h 40m.
Llanelli to Chepstow train services, operated by Transport for Wales, depart from Llanelli station.
Llanelli to Chepstow train services, operated by Transport for Wales, arrive at Chepstow station.
Book your Llanelli to Chepstow train tickets online with Transport for Wales, Cross Country and Great Western Railway (GWR).
The distance between Llanelli and Chepstow is 102.5 km. The road distance is 137 km.
You can take a train from Llanelli to Chepstow via Cardiff Central in around 2h 46m.