The average train between Oxford and Cardiff takes 1h 54m and the fastest train takes 1h 35m. The train service runs several times per day from Oxford to Cardiff. 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 every 2 hours between Oxford and Cardiff. The earliest departure is at 5:34 AM in the morning, and the last departure from Oxford is at 11:06 PM which arrives into Cardiff at 1:08 AM. All services require a transfer, and take on average 1h 54m. The schedules shown below are for the next available departures.

1h 41m • 1 change

1h 44m • 1 change

1h 36m • 1 change

1h 37m • 1 change

1h 44m • 1 change

1h 40m • 1 change

1h 38m • 1 change

1h 38m • 1 change

2h 36m • 1 change

1h 55m • 1 change

1h 42m • 1 change

2h 8m • 1 change

2h 32m • 1 change

2h 36m • 1 change

1h 43m • 1 change

2h 40m • 1 change

2h 32m • 1 change

2h 36m • 1 change

1h 43m • 1 change

2h 40m • 1 change
Want to know about travelling from Oxford to Cardiff? 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 Oxford to Cardiff. However, there are services departing from Oxford station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 1h 54m.
Oxford to Cardiff train services, operated by Great Western Railway (GWR), depart from Didcot Parkway station.
Oxford to Cardiff train services, operated by Great Western Railway (GWR), arrive at Cardiff Central station.
Book your Oxford to Cardiff train tickets online with Great Western Railway (GWR).
The distance between Oxford and Cardiff is 136.2 km. The road distance is 164 km.
Great Western Railway (GWR) operates a train from Didcot Parkway to Cardiff Central every 3 hours. Tickets cost £40–80 and the journey takes 1h 15m.