The average bus between Oxford and Cardiff Castle takes 5h 15m and the fastest bus takes 4h 36m. There is a bus service every few hours from Oxford to Cardiff Castle. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Oxford and Cardiff Castle. The earliest departure is at 5:38 AM in the morning, and the last departure from Oxford is at 10:01 PM which arrives into Cardiff Castle at 4:00 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 5h 15m. The schedules shown below are for the next available departures.

5h 26m • 1 change

4h 46m • 1 change

5h 31m • 1 change

5h 6m • 1 change

5h 22m • 1 change

5h 27m • 1 change

4h 46m • 1 change

5h 26m • 1 change

5h 22m • 1 change

5h 27m • 1 change

4h 46m • 1 change

5h 26m • 1 change

5h 22m • 1 change

5h 27m • 1 change

4h 46m • 1 change

5h 26m • 1 change
Want to know about travelling from Oxford to Cardiff Castle? 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 bus from Oxford to Cardiff Castle. However, there are services departing from Oxford station and arriving at Cardiff Castle station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 15m.
Oxford to Cardiff Castle bus services, operated by Oxford Bus Company, depart from Queens Lane station.
Oxford to Cardiff Castle bus services, operated by Oxford Bus Company, arrive at Sophia Gardens station.
The distance between Oxford and Cardiff Castle is 136.4 km. The road distance is 302 km.
You can take a bus from Queens Lane to Cardiff Castle via Heathrow Central Bus Station and Sophia Gardens in around 5h 2m.