Carmarthen to Llanelli: A Short and Affordable Train Journey Along the Welsh Coast
Travelling from Carmarthen to Llanelli by train is one of the quickest ways to move across South West Wales. Connecting a historic county town with a coastal community on the Loughor estuary, this route is ideal for commuters, students and day-trippers. With frequent services and very low Advance fares available, rail travel offers a convenient alternative to driving.
Check live schedules and book Advance tickets here: Carmarthen to Llanelli train times
Journey Time and Frequency
Carmarthen and Llanelli are approximately 14 miles (22 km) apart. The fastest direct trains take around 22–23 minutes, while most services complete the journey in about 26–28 minutes depending on stops. Trains run regularly throughout the day, typically at least once per hour, making it easy to plan both weekday and weekend travel.
The route is mainly operated by Transport for Wales, with some services provided by Great Western Railway, offering dependable regional connections across South Wales.
Ticket Prices and Advance Fare Savings
This route is one of the most budget-friendly rail journeys in the region. On JurnyOn, Advance fares start from £2.90, making early booking the best way to secure a low price. Tickets purchased closer to departure usually cost more as availability decreases.
JurnyOn focuses on Advance fares rather than Off-Peak tickets, so planning ahead is key if you want to maximise savings.
Why Visit Llanelli?
Llanelli is a coastal town known for its maritime heritage and scenic estuary views. It offers access to the Millennium Coastal Path, nearby beaches and parks, making it a popular destination for walking and cycling. The town also features shopping areas, local markets and cultural venues while maintaining a relaxed atmosphere compared with larger cities.
For commuters, Llanelli provides access to employment centres across South Wales and strong onward connections.
Connections Beyond Both Stations
From Carmarthen, travellers can continue west toward Pembrokeshire destinations such as Tenby and Milford Haven, or east toward Swansea, Cardiff and London. From Llanelli, onward trains run toward Swansea and across the wider South Wales rail network, making this route useful for both local journeys and longer trips.
Book with JurnyOn
For an easy way to compare fares and secure Advance tickets, JurnyOn offers a simple booking platform for rail travel across the UK. Travellers can also earn Eco Points on bookings and use them for future savings.
Plan your journey on the JurnyOn website.
Download the app here: • iOS: Download on the App Store • Android: Download on Google Play
Final Thoughts
The Carmarthen to Llanelli train route offers a fast, reliable and highly affordable way to travel across South West Wales. With journey times under 30 minutes and Advance fares starting from £2.90 on JurnyOn, it’s a practical option for both daily commuting and leisure trips. Booking early helps secure the best price and ensures a smooth journey.
