The average train between Llanelli and Boston takes 7h 32m and the fastest train takes 5h 54m. There is a train service every few hours from Llanelli to Boston. 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 Boston. The earliest departure is at 6:02 AM in the morning, and the last departure from Llanelli is at 11:10 PM which arrives into Boston at 10:18 AM. All services require a transfer at Swansea and take an average of 7h 32m. The schedules shown below are for the next available departures.




6h 27m • 4 changes
Arrives next day




12h 21m • 4 changes
Arrives next day




11h 13m • 4 changes




6h 15m • 4 changes




5h 57m • 4 changes




6h 21m • 4 changes




6h 19m • 4 changes




6h 15m • 4 changes




5h 57m • 4 changes




6h 21m • 4 changes




6h 19m • 4 changes




6h 15m • 4 changes




5h 57m • 4 changes




6h 21m • 4 changes




6h 19m • 4 changes




6h 15m • 4 changes




5h 57m • 4 changes




6h 21m • 4 changes




6h 19m • 4 changes
Want to know about travelling from Llanelli to Boston? 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 Boston. However, there are services departing from Llanelli station and arriving at Boston station via London Paddington. The journey, including transfers, takes approximately 7h 32m.
Llanelli to Boston train services, operated by Transport for Wales, depart from Swansea station.
Llanelli to Boston train services, operated by Transport for Wales, arrive at Boston station.
Book your Llanelli to Boston train tickets online with Transport for Wales, Great Western Railway (GWR) and 4 other operators.
The distance between Llanelli and Boston is 315.7 km. The road distance is 551 km.
You can take a train from Llanelli to Boston via Swansea, London Paddington, Paddington, King's Cross St. Pancras station, King's Cross, and Grantham in around 7h.