The average train between Radlett and Great Portland Street (Station) takes 36 min and the fastest train takes 32 min. The train runs at least 5 times per hour from Radlett to Great Portland Street (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 Radlett and Great Portland Street (Station). The earliest departure is at 4:01 AM at night, and the last departure from Radlett is at 10:27 PM which arrives into Great Portland Street (Station) at 11:03 PM. All services require a transfer at London St Pancras International and take an average of 36 min. The schedules shown below are for the next available departures.

1h 8m • 1 change

42 min • 1 change

38 min • 1 change

41 min • 1 change
Want to know about travelling from Radlett to Great Portland Street (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 Radlett to Great Portland Street (Station). However, there are services departing from Radlett station and arriving at Great Portland Street (Station) station via London St Pancras Intl. The journey, including transfers, takes approximately 36 min.
Radlett to Great Portland Street (Station) train services, operated by Thameslink, depart from Radlett station.
Radlett to Great Portland Street (Station) train services, operated by Thameslink, arrive at London St Pancras Intl station.
The distance between Radlett and Great Portland Street (Station) is 21.5 km. The road distance is 29 km.
Thameslink operates a train from Radlett to London St Pancras Intl every 15 minutes. Tickets cost £8–17 and the journey takes 29 min.