The average bus between Grays and Cardiff takes 6h 44m and the fastest bus takes 5h 15m. The bus service runs several times per day from Grays 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 3 times a day between Grays and Cardiff. The earliest departure is at 7:54 AM in the morning, and the last departure from Grays is at 5:41 PM which arrives into Cardiff at 11:25 PM. All services require a transfer at Bus Station and take an average of 6h 44m. The schedules shown below are for the next available departures.


6h 6m • 2 changes


6h 4m • 2 changes
Arrives next day


7h 41m • 2 changes


5h 31m • 2 changes


5h 24m • 2 changes
Arrives next day


7h 30m • 2 changes
Want to know about travelling from Grays 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 Grays to Cardiff. However, there are services departing from Grays station and arriving at Cardiff station via London Victoria Coach Station Arrivals station. The journey, including transfers, takes approximately 6h 44m.
Grays to Cardiff bus services, operated by Kent Fastrack, depart from Bus Station.
Grays to Cardiff bus services, operated by Kent Fastrack, arrive at University RE station.
The distance between Grays and Cardiff is 242.7 km. The road distance is 280 km.
You can take a bus from Railway Station to University RE via Bus Station, London Victoria Coach Station Arrivals, and London Victoria in around 6h 17m.