The average bus between Harwich and Cardiff takes 11h 28m and the fastest bus takes 9h 9m. The bus service runs several times per day from Harwich 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 Harwich and Cardiff. The earliest departure is at 6:11 AM in the morning, and the last departure from Harwich is at 10:16 PM which arrives into Cardiff at 11:00 AM. All services require a transfer at Stanwell Street and take an average of 11h 28m. The schedules shown below are for the next available departures.




10h 19m • 4 changes




9h 39m • 4 changes
Arrives next day




10h 29m • 4 changes
Arrives next day




15h 54m • 4 changes




10h 19m • 4 changes




9h 39m • 4 changes
Arrives next day




10h 29m • 4 changes
Arrives next day




15h 54m • 4 changes




10h 19m • 4 changes




9h 39m • 4 changes
Arrives next day




10h 29m • 4 changes
Arrives next day




15h 54m • 4 changes
Want to know about travelling from Harwich 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 Harwich to Cardiff. However, there are services departing from Harwich station and arriving at Cardiff station via Stanwell Street. The journey, including transfers, takes approximately 11h 28m.
Harwich to Cardiff bus services, operated by First Essex, depart from Mayflower Avenue station.
Harwich to Cardiff bus services, operated by First Essex, arrive at Sophia Gardens station.
The distance between Harwich and Cardiff is 311.8 km. The road distance is 399 km.
You can take a bus from Mayflower Avenue to Sophia Gardens via Stanwell Street, Osborne Street, Post Office, Railway Station, Coach Station, and Heathrow Central Bus Station in around 8h 47m.