The average train between Swansea and Chelmsford takes 3h 56m and the fastest train takes 3h 40m. There is a train service every few hours from Swansea to Chelmsford. 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 Chelmsford. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 8:23 PM which arrives into Chelmsford at 12:21 AM. All services require a transfer at London Paddington and take an average of 3h 56m. The schedules shown below are for the next available departures.


4h 1m • 2 changes


3h 59m • 2 changes


3h 44m • 2 changes


3h 40m • 2 changes


4h 35m • 2 changes


3h 51m • 2 changes


3h 52m • 2 changes


3h 54m • 2 changes


4h 35m • 2 changes


3h 51m • 2 changes


3h 52m • 2 changes


3h 54m • 2 changes
Want to know about travelling from Swansea to Chelmsford? 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 Chelmsford. However, there are services departing from Swansea station and arriving at Chelmsford station via London Paddington. The journey, including transfers, takes approximately 3h 56m.
Swansea to Chelmsford train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Chelmsford train services, operated by Great Western Railway (GWR), arrive at Chelmsford station.
Book your Swansea to Chelmsford train tickets online with Great Western Railway (GWR), Elizabeth Line (TfL) and Greater Anglia.
The distance between Swansea and Chelmsford is 304.5 km. The road distance is 360 km.
You can take a train from Swansea to Chelmsford via London Paddington and Stratford (London) in around 3h 52m.