The average bus between Cardiff and Hertford takes 6h 59m and the fastest bus takes 5h 22m. 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 4 times a day between Cardiff and Hertford. The earliest departure is at 3:25 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Hertford at 3:47 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 6h 59m. The schedules shown below are for the next available departures.


6h 2m • 2 changes


6h 12m • 2 changes


5h 22m • 2 changes


7h 12m • 2 changes


5h 47m • 2 changes


5h 57m • 2 changes


5h 22m • 2 changes


5h 32m • 2 changes


5h 47m • 2 changes


5h 57m • 2 changes


5h 22m • 2 changes


5h 32m • 2 changes


6h 2m • 2 changes


6h 12m • 2 changes


5h 22m • 2 changes


7h 12m • 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 59m.
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 Airport Bus Station.
Book your Cardiff to Hertford bus tickets online with National Express.
The distance between Cardiff and Hertford is 216.9 km. The road distance is 314 km.
You can take a bus from Sophia Gardens to Tesco via Heathrow Central Bus Station and Airport Bus Station in around 6h 4m.