The average train between Harpenden and Southall takes 1h 5m and the fastest train takes 1h 1m. The train runs at least 3 times per hour 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.
Trains run every 20 minutes between Harpenden and Southall. The earliest departure is at 5:17 AM in the morning, and the last departure from Harpenden is at 10:50 PM which arrives into Southall at 12:03 AM. All services require a transfer at Farringdon and take an average of 1h 5m. The schedules shown below are for the next available departures.

1h 3m • 1 change

1h 4m • 1 change
Arrives next day

1h 13m • 1 change

1h 14m • 1 change

1h 16m • 1 change

1h 11m • 1 change

1h 2m • 1 change
Want 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 train from Harpenden to Southall. However, there are services departing from Harpenden station and arriving at Southall station via Farringdon. The journey, including transfers, takes approximately 1h 5m.
Harpenden to Southall train services, operated by Thameslink, depart from Harpenden station.
Harpenden to Southall train services, operated by Thameslink, arrive at Southall station.
Book your Harpenden to Southall train tickets online with Thameslink and Elizabeth Line (TfL).
The distance between Harpenden and Southall is 34.2 km. The road distance is 62 km.
You can take a train from Harpenden to Southall via Farringdon and Farringdon Without in around 1h 3m.