The average train between Swindon and Treforest takes 1h 53m and the fastest train takes 1h 34m. There is an hourly train service from Swindon to Treforest. 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 Swindon and Treforest. The earliest departure is at 12:01 AM at night, and the last departure from Swindon is at 9:40 PM which arrives into Treforest at 11:26 PM. All services require a transfer, and take on average 1h 53m. The schedules shown below are for the next available departures.

1h 41m • 1 change

1h 43m • 1 change

1h 43m • 1 change

1h 42m • 1 change

5h 55m • 1 change

2h 32m • 1 change

1h 43m • 1 change

1h 41m • 1 change

5h 55m • 1 change

2h 32m • 1 change

1h 43m • 1 change

1h 41m • 1 change
Want to know about travelling from Swindon to Treforest? 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 Swindon to Treforest. However, there are services departing from Swindon station and arriving at Treforest station via Cardiff Central. The journey, including transfers, takes approximately 1h 53m.
Swindon to Treforest train services, operated by Great Western Railway (GWR), depart from Swindon station.
Swindon to Treforest train services, operated by Great Western Railway (GWR), arrive at Trefforest station.
Book your Swindon to Treforest train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between Swindon and Treforest is 106.7 km. The road distance is 127 km.
You can take a train from Swindon to Trefforest via Cardiff Central in around 1h 40m.