The average bus between Cardiff and Knebworth takes 7h 27m and the fastest bus takes 5h 26m. The bus service runs several times per day from Cardiff to Knebworth. 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 3 hours between Cardiff and Knebworth. The earliest departure is at 3:30 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Knebworth at 9:01 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 7h 27m. The schedules shown below are for the next available departures.



6h 41m • 3 changes


7h 10m • 3 changes


6h 44m • 3 changes


7h 42m • 3 changes


6h 38m • 3 changes


5h 49m • 3 changes


6h 19m • 3 changes


6h 41m • 3 changes


6h 38m • 3 changes


5h 49m • 3 changes


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6h 41m • 3 changes


6h 38m • 3 changes


5h 49m • 3 changes


6h 19m • 3 changes


6h 41m • 3 changes


6h 25m • 3 changes


5h 39m • 3 changes


6h • 3 changes


6h 39m • 3 changes


6h 31m • 3 changes


5h 26m • 3 changes


6h 36m • 3 changes


6h 26m • 3 changes


6h 38m • 3 changes


5h 49m • 3 changes


6h 19m • 3 changes


6h 41m • 3 changesWant to know about travelling from Cardiff to Knebworth? 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 Knebworth. However, there are services departing from Sophia Gardens station and arriving at Luton Station Interchange via Heathrow Central Bus Station. The journey, including transfers, takes approximately 7h 27m.
Cardiff to Knebworth bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Knebworth bus services, operated by National Express, arrive at Luton Station Interchange.
The distance between Cardiff and Knebworth is 211 km. The road distance is 265 km.
You can take a bus from Sophia Gardens to Station Road via Heathrow Central Bus Station, Luton Station Interchange, and Bus Station in around 6h 42m.