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 12:12 AM at night, and the last departure from Harpenden is at 11:20 PM which arrives into Southall at 12:32 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.

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1h 2m • 1 changeWant 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 station. 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 Elizabeth Line (TfL), arrive at Southall station.
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The distance between Harpenden and Southall is 34.2 km. The road distance is 41 km.
You can take a train from Harpenden to Southall via Farringdon and Farringdon Without in around 1h 3m.