The average bus between South Harrow and Cardiff takes 4h 31m and the fastest bus takes 3h 52m. There is a bus service every few hours from South Harrow 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 South Harrow and Cardiff. The earliest departure is at 6:02 AM in the morning, and the last departure from South Harrow is at 11:46 PM which arrives into Cardiff at 4:00 AM. All services require a transfer, and take on average 4h 31m. The schedules shown below are for the next available departures.

4h 2m • 1 change

4h 57m • 1 change

4h 16m • 1 change

5h 4m • 1 change

4h 58m • 1 change

4h 48m • 1 change

4h 3m • 1 change

4h 38m • 1 change

4h 58m • 1 change

4h 48m • 1 change

4h 3m • 1 change

4h 48m • 1 change

4h 34m • 1 change

4h 28m • 1 change

4h 13m • 1 change

4h 49m • 1 change
Want to know about travelling from South Harrow 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 South Harrow to Cardiff. However, there are services departing from South Harrow station and arriving at Cardiff station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 4h 31m.
South Harrow to Cardiff bus services, operated by First Bus London, depart from South Harrow Station.
South Harrow to Cardiff bus services, operated by First Bus London, arrive at Sophia Gardens station.
The distance between South Harrow and Cardiff is 195.8 km. The road distance is 239 km.
You can take a bus from South Harrow Station to Sophia Gardens via Heathrow Central Bus Station in around 4h 15m.