The average train between Llanelli and Caerphilly takes 2h 10m and the fastest train takes 1h 38m. There is an hourly train service from Llanelli to Caerphilly. 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 Caerphilly. The earliest departure is at 5:57 AM in the morning, and the last departure from Llanelli is at 11:11 PM which arrives into Caerphilly at 5:54 AM. All services require a transfer, and take on average 2h 10m. The schedules shown below are for the next available departures.

2h 3m • 1 change

2h 5m • 1 change

2h 39m • 1 change
Arrives next day

6h 44m • 1 change

1h 39m • 1 change

2h 5m • 1 change

1h 52m • 1 change

1h 44m • 1 change

2h 3m • 1 change

1h 38m • 1 change

2h 5m • 1 change

1h 47m • 1 change
Want to know about travelling from Llanelli to Caerphilly? 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 Caerphilly. However, there are services departing from Llanelli station and arriving at Caerphilly station via Cardiff Central. The journey, including transfers, takes approximately 2h 10m.
Llanelli to Caerphilly train services, operated by Transport for Wales, depart from Llanelli station.
Llanelli to Caerphilly train services, operated by Transport for Wales, arrive at Cardiff Central station.
Book your Llanelli to Caerphilly train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Llanelli and Caerphilly is 66.2 km. The road distance is 104 km.
Transport for Wales operates a train from Llanelli to Cardiff Central hourly. Tickets cost £21–40 and the journey takes 1h 43m. Great Western Railway (GWR) also services this route every 4 hours.