The average train between Swansea and Sudbury takes 5h 22m and the fastest train takes 4h 37m. There is a train service every few hours from Swansea to Sudbury. 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 Swansea and Sudbury. The earliest departure is at 3:56 AM at night, and the last departure from Swansea is at 8:23 PM which arrives into Sudbury at 6:20 AM. All services require a transfer at London Paddington and take an average of 5h 22m. The schedules shown below are for the next available departures.



4h 52m • 3 changes



4h 55m • 3 changes



4h 37m • 3 changes



4h 58m • 3 changes



5h 25m • 3 changes



4h 56m • 3 changes



4h 58m • 3 changes



4h 59m • 3 changes



5h 1m • 3 changes



5h 13m • 3 changes



5h 14m • 3 changes



5h 13m • 3 changes



4h 52m • 3 changes



4h 55m • 3 changes



4h 37m • 3 changes



4h 58m • 3 changes
Want to know about travelling from Swansea to Sudbury? 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 Swansea to Sudbury. However, there are services departing from Swansea station and arriving at Sudbury station via London Paddington. The journey, including transfers, takes approximately 5h 22m.
Swansea to Sudbury train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Sudbury train services, operated by Great Western Railway (GWR), arrive at Colchester station.
Book your Swansea to Sudbury train tickets online with Great Western Railway (GWR), Elizabeth Line (TfL) and Greater Anglia.
The distance between Swansea and Sudbury is 324.5 km. The road distance is 419 km.
You can take a train from Swansea to Bus Station via London Paddington, Stratford (London), Colchester, and The Bricklayers Arms in around 5h 2m.