The average bus between Cardiff and Oxford takes 5h and the fastest bus takes 4h 28m. There is a bus service every few hours from Cardiff to Oxford. 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 Cardiff and Oxford. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 11:45 PM which arrives into Oxford at 5:15 AM. All services require a transfer, and take on average 5h. The schedules shown below are for the next available departures.

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4h 34m • 1 changeWant to know about travelling from Cardiff to Oxford? 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 Cardiff to Oxford. However, there are services departing from Sophia Gardens station and arriving at Queens Lane station via Heathrow Central Bus Station. The journey, including transfers, takes approximately 5h.
Cardiff to Oxford bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Oxford bus services, operated by Oxford Bus Company, arrive at Queens Lane station.
Book your Cardiff to Oxford bus tickets online with Omio.
The distance between Cardiff and Oxford is 136.2 km. The road distance is 163 km.
You can take a bus from Sophia Gardens to Queens Lane via Heathrow Central Bus Station in around 4h 42m.