The average bus between Harefield and Cardiff takes 5h 4m and the fastest bus takes 3h 52m. There is a bus service every few hours from Harefield to Cardiff. 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 Harefield and Cardiff. The earliest departure is at 7:11 AM in the morning, and the last departure from Harefield is at 11:58 PM which arrives into Cardiff at 11:00 AM. All services require a transfer at Springbridge Nurseries and take an average of 5h 4m. The schedules shown below are for the next available departures.


4h 22m • 2 changes


4h 42m • 2 changes
Arrives next day


4h 20m • 2 changes
Arrives next day


5h 2m • 2 changes


4h 36m • 2 changes


3h 55m • 2 changes


4h 42m • 2 changes


4h 20m • 2 changes


4h 27m • 2 changes


5h 7m • 2 changes


4h 24m • 2 changes


4h 44m • 2 changes


4h 54m • 2 changes


4h 33m • 2 changes


4h 46m • 2 changes


4h 9m • 2 changes
Want to know about travelling from Harefield to Cardiff? 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 Harefield to Cardiff. However, there are services departing from Harefield station and arriving at Cardiff station via Sophia Gardens. The journey, including transfers, takes approximately 5h 4m.
Harefield to Cardiff bus services, operated by Metroline Travel, depart from Heathrow Central Bus Station.
Harefield to Cardiff bus services, operated by Metroline Travel, arrive at Sophia Gardens station.
The distance between Harefield and Cardiff is 187 km. The road distance is 241 km.
National Express operates a bus from Heathrow Central Bus Station to Sophia Gardens hourly. Tickets cost £26–65 and the journey takes 2h 55m.