The average train between Swansea and Harlow takes 3h 57m and the fastest train takes 3h 37m. There is a train service every few hours from Swansea to Harlow. 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 Harlow. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 8:23 PM which arrives into Harlow at 12:28 AM. All services require a transfer at London Paddington and take an average of 3h 57m. The schedules shown below are for the next available departures.


3h 57m • 2 changes


3h 57m • 2 changes


3h 43m • 2 changes


3h 44m • 2 changes


4h 17m • 2 changes


3h 37m • 2 changes


3h 52m • 2 changes


3h 54m • 2 changes


4h 17m • 2 changes


3h 37m • 2 changes


3h 52m • 2 changes


3h 54m • 2 changes
Want to know about travelling from Swansea to Harlow? 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 Harlow. However, there are services departing from Swansea station and arriving at Harlow station via London Paddington. The journey, including transfers, takes approximately 3h 57m.
Swansea to Harlow train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Harlow train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
Book your Swansea to Harlow train tickets online with Great Western Railway (GWR), Elizabeth Line (TfL) and 2 other operators.
The distance between Swansea and Harlow is 280 km. The road distance is 349 km.
Great Western Railway (GWR) operates a train from Swansea to London Paddington hourly. Tickets cost £85–170 and the journey takes 2h 52m.