The average train between London and Llansteffan takes 3h 52m and the fastest train takes 3h 24m. There is a train service every few hours from London to Llansteffan. 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 London and Llansteffan. The earliest departure is at 6:48 AM in the morning, and the last departure from London is at 10:49 PM which arrives into Llansteffan at 6:34 AM. All services require a transfer, and take on average 3h 52m. The schedules shown below are for the next available departures.

3h 31m • 1 change

3h 50m • 1 change

3h 37m • 1 change

3h 26m • 1 change

3h 30m • 1 change

3h 36m • 1 change

3h 30m • 1 change

3h 30m • 1 change

3h 38m • 1 change

3h 39m • 1 change

3h 37m • 1 change

3h 37m • 1 change

4h 19m • 1 change

3h 53m • 1 change

3h 39m • 1 change

3h 35m • 1 change

3h 30m • 1 change

3h 36m • 1 change

3h 30m • 1 change

3h 30m • 1 change
Want to know about travelling from London to Llansteffan? 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 London to Llansteffan. However, there are services departing from London station and arriving at Llansteffan station via Swansea. The journey, including transfers, takes approximately 3h 52m.
London to Llansteffan train services, operated by Great Western Railway (GWR), depart from London Paddington station.
London to Llansteffan train services, operated by Great Western Railway (GWR), arrive at Swansea station.
Book your London to Llansteffan train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between London and Llansteffan is 295.8 km. The road distance is 344 km.
Great Western Railway (GWR) operates a train from London Paddington to Swansea hourly. Tickets cost £80–160 and the journey takes 2h 56m.