The average train between Harlow and Swansea takes 4h 6m and the fastest train takes 3h 41m. There is a train service every few hours from Harlow 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 Harlow and Swansea. The earliest departure is at 5:51 AM in the morning, and the last departure from Harlow is at 11:37 PM which arrives into Swansea at 9:02 AM. All services require a transfer at London Liverpool Street and take an average of 4h 6m. The schedules shown below are for the next available departures.


3h 52m • 2 changes

3h 52m • 2 changes

3h 46m • 2 changes

3h 51m • 2 changes

3h 41m • 2 changes

3h 46m • 2 changes

3h 47m • 2 changes

3h 50m • 2 changes

3h 41m • 2 changes

3h 46m • 2 changes

3h 47m • 2 changes

3h 50m • 2 changesWant to know about travelling from Harlow 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 Harlow to Swansea. However, there are services departing from Harlow station and arriving at Swansea station via Swansea. The journey, including transfers, takes approximately 4h 6m.
Harlow to Swansea train services, operated by Greater Anglia, depart from London Paddington station.
Harlow to Swansea train services, operated by Greater Anglia, arrive at Swansea station.
Book your Harlow to Swansea train tickets online with Greater Anglia, Elizabeth Line (TfL) and 2 other operators.
The distance between Harlow and Swansea is 280 km. The road distance is 349 km.
Great Western Railway (GWR) operates a train from London Paddington to Swansea hourly. Tickets cost £85–160 and the journey takes 2h 51m.