The average train between Swansea and Didcot takes 2h 34m and the fastest train takes 2h 13m. There is a train service every few hours from Swansea to Didcot. 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 Didcot. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 8:23 PM which arrives into Didcot at 10:57 PM. All services require a transfer, and take on average 2h 34m. The schedules shown below are for the next available departures.

2h 48m • 1 change

2h 13m • 1 change

2h 39m • 1 change

2h 28m • 1 change

2h 48m • 1 change

2h 13m • 1 change

2h 39m • 1 change

2h 28m • 1 change

2h 48m • 1 change

2h 13m • 1 change

2h 39m • 1 change

2h 28m • 1 change
Want to know about travelling from Swansea to Didcot? 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 Didcot. However, there are services departing from Swansea station and arriving at Didcot station via Swindon. The journey, including transfers, takes approximately 2h 34m.
Swansea to Didcot train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Didcot train services, operated by Great Western Railway (GWR), arrive at Swindon station.
Book your Swansea to Didcot train tickets online with Great Western Railway (GWR).
The distance between Swansea and Didcot is 186.5 km. The road distance is 220 km.
Great Western Railway (GWR) operates a train from Swansea to Swindon hourly. Tickets cost £50–100 and the journey takes 1h 56m.