The average train between Central London and Swansea takes 3h 35m and the fastest train takes 3h 16m. There is a train service every few hours from Central London to Swansea. 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 Central London and Swansea. The earliest departure is at 6:07 AM in the morning, and the last departure from Central London is at 11:36 PM which arrives into Swansea at 9:02 AM. All services require a transfer at Earl's Court station and take an average of 3h 35m. The schedules shown below are for the next available departures.


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3h 22m • 2 changesWant to know about travelling from Central London to Swansea? 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 Central London to Swansea. However, there are services departing from London Paddington station and arriving at Swansea station via Swansea station. The journey, including transfers, takes approximately 3h 35m.
Central London to Swansea train services, operated by Great Western Railway (GWR), depart from London Paddington station.
Central London to Swansea train services, operated by Great Western Railway (GWR), arrive at Swansea station.
The distance between Central London and Swansea is 251.7 km. The road distance is 285 km.
Great Western Railway (GWR) operates a train from London Paddington to Swansea hourly. Tickets cost £80–150 and the journey takes 2h 48m.