The average bus between Harpenden and Southall takes 2h 40m and the fastest bus takes 1h 57m. There is an hourly bus service from Harpenden to Southall. 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 Harpenden and Southall. The earliest departure is at 6:55 AM in the morning, and the last departure from Harpenden is at 10:21 PM which arrives into Southall at 1:03 AM. All services require a transfer at Watford Junction station and take an average of 2h 40m. The schedules shown below are for the next available departures.


2h 38m • 2 changes

2h 32m • 2 changes

2h 34m • 2 changes

2h 36m • 2 changes

2h 7m • 2 changes

2h 9m • 2 changes

2h 11m • 2 changes

2h 38m • 2 changes

2h 34m • 2 changes

2h 15m • 2 changes

2h 22m • 2 changes

2h 22m • 2 changesWant to know about travelling from Harpenden to Southall? 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 Harpenden to Southall. However, there are services departing from Harpenden station and arriving at Southall station via Watford Junction station station. The journey, including transfers, takes approximately 2h 40m.
Harpenden to Southall bus services, operated by Arriva UK, depart from Old Cock Inn station.
Harpenden to Southall bus services, operated by Arriva UK, arrive at Iron Bridge / Uxbridge Road station.
The distance between Harpenden and Southall is 34.2 km. The road distance is 47 km.
You can take a bus from Old Cock Inn to Iron Bridge / Uxbridge Road via Watford Junction station, Watford Junction, Wembley Central, and Wembley Central Station in around 2h 21m.