The average train between Harpenden and St. James's Park station takes 50 min and the fastest train takes 45 min. The train runs at least 5 times per hour from Harpenden to St. James's Park station. 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 15 minutes between Harpenden and St. James's Park station. The earliest departure is at 4:47 AM at night, and the last departure from Harpenden is at 11:20 PM which arrives into St. James's Park station at 12:12 AM. All services require a transfer at London Blackfriars and take an average of 50 min. The schedules shown below are for the next available departures.

48 min • 1 change

53 min • 1 change
Arrives next day

1h 2m • 1 change
Arrives next day

52 min • 1 change

55 min • 1 change

1h 4m • 1 change

55 min • 1 change

1h 1m • 1 change
Want to know about travelling from Harpenden to St. James's Park station? 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 St. James's Park station station. However, there are services departing from Harpenden station and arriving at St. James's Park station via London Blackfriars. The journey, including transfers, takes approximately 50 min.
Harpenden to St. James's Park station train services, operated by Thameslink, depart from Harpenden station.
Harpenden to St. James's Park station train services, operated by Thameslink, arrive at London Blackfriars station.
The distance between Harpenden and St. James's Park station is 38.7 km. The road distance is 45 km.
Thameslink operates a train from Harpenden to London Blackfriars every 15 minutes. Tickets cost £13–26 and the journey takes 37 min.