The average bus between Cardiff and Buckingham takes 6h 34m and the fastest bus takes 5h 55m. The bus service runs several times per day from Cardiff to Buckingham. 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 every 2 hours between Cardiff and Buckingham. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Buckingham at 11:30 PM. All services require a transfer at Heathrow Central Bus Station and take an average of 6h 34m. The schedules shown below are for the next available departures.


6h 55m • 2 changes


5h 55m • 2 changes


7h 35m • 2 changes


7h • 2 changes


6h 10m • 2 changes


6h 25m • 2 changes


6h 50m • 2 changes


6h 25m • 2 changes


6h 10m • 2 changes


6h 25m • 2 changes


6h 50m • 2 changes


6h 25m • 2 changes


6h 10m • 2 changes


6h 25m • 2 changes


6h 50m • 2 changes


6h 25m • 2 changes


6h • 2 changes


6h 10m • 2 changes


6h 10m • 2 changes


6h 20m • 2 changes
Want to know about travelling from Cardiff to Buckingham? 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 Buckingham. However, there are services departing from Cardiff station and arriving at Buckingham station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 6h 34m.
Cardiff to Buckingham bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Buckingham bus services, operated by National Express, arrive at High Street station.
Book your Cardiff to Buckingham bus tickets online with National Express, Oxford Bus Company and Stagecoach East.
The distance between Cardiff and Buckingham is 162.2 km. The road distance is 343 km.
You can take a bus from Sophia Gardens to High Street via Heathrow Central Bus Station and Gloucester Green Bus Station in around 5h 51m.