The average bus between Cardiff and Hertford takes 6h 45m and the fastest bus takes 6h 1m. The bus service runs several times per day from Cardiff to Hertford. 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 Hertford. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Hertford at 11:51 PM. All services require a transfer at Heathrow Central Bus Station and take an average of 6h 45m. The schedules shown below are for the next available departures.


6h 9m • 2 changes


6h 25m • 2 changes


6h 35m • 2 changes


6h 40m • 2 changes


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6h 21m • 2 changes


7h 2m • 2 changes


6h 15m • 2 changes


6h 16m • 2 changes


6h 21m • 2 changes


7h 2m • 2 changes


6h 15m • 2 changes


6h 16m • 2 changes


6h 21m • 2 changes


7h 2m • 2 changes


6h 15m • 2 changes


6h 16m • 2 changes


6h 21m • 2 changes
Want to know about travelling from Cardiff to Hertford? 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 Hertford. However, there are services departing from Cardiff station and arriving at Hertford station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 6h 45m.
Cardiff to Hertford bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Hertford bus services, operated by National Express, arrive at Bus Station.
The distance between Cardiff and Hertford is 216.9 km. The road distance is 297 km.
You can take a bus from Sophia Gardens to Bus Station via Heathrow Central Bus Station and St Peter's Street in around 6h 54m.