The average bus between Big Ben and Cardiff takes 3h 58m and the fastest bus takes 3h 22m. There is a bus service every few hours from Big Ben 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 Big Ben and Cardiff. The earliest departure is at 12:12 AM at night, and the last departure from Big Ben is at 11:48 PM which arrives into Cardiff at 3:10 AM. All services require a transfer at Parliament Square / Westminster Abbey and take an average of 3h 58m. The schedules shown below are for the next available departures.
Arrives next day

3h 30m • 1 change
Arrives next day

3h 22m • 1 change

4h 27m • 1 change

3h 46m • 1 change

3h 57m • 1 change

3h 57m • 1 change

3h 28m • 1 change

4h 30m • 1 change

3h 35m • 1 change

3h 54m • 1 change

3h 28m • 1 change

4h 31m • 1 change

3h 36m • 1 change

3h 55m • 1 change
Want to know about travelling from Big Ben 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 Big Ben to Cardiff. However, there are services departing from Big Ben station and arriving at Cardiff station via Kingsway GR. The journey, including transfers, takes approximately 3h 58m.
Big Ben to Cardiff bus services, operated by Go Ahead London, depart from London Victoria station.
Big Ben to Cardiff bus services, operated by Go Ahead London, arrive at Kingsway GR station.
The distance between Big Ben and Cardiff is 211.5 km. The road distance is 245 km.
National Express operates a bus from London Victoria to Kingsway GR hourly. Tickets cost £28–70 and the journey takes 3h 35m. FlixBus also services this route every 2 hours.