The average train between Hemel Hempstead and Trafalgar Square takes 43 min and the fastest train takes 37 min. The train runs at least 3 times per hour from Hemel Hempstead to Trafalgar Square. 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 Hemel Hempstead and Trafalgar Square. The earliest departure is at 12:17 AM at night, and the last departure from Hemel Hempstead is at 11:37 PM which arrives into Trafalgar Square at 12:24 AM. All services require a transfer at London Euston and take an average of 43 min. The schedules shown below are for the next available departures.

39 min • 1 change

44 min • 1 change

39 min • 1 change

44 min • 1 change
Want to know about travelling from Hemel Hempstead to Trafalgar Square? 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 Hemel Hempstead to Trafalgar Square. However, there are services departing from Hemel Hempstead station and arriving at Trafalgar Square station via London Euston. The journey, including transfers, takes approximately 43 min.
Hemel Hempstead to Trafalgar Square train services, operated by West Midlands Trains, depart from Hemel Hempstead station.
Hemel Hempstead to Trafalgar Square train services, operated by West Midlands Trains, arrive at London Euston station.
Book your Hemel Hempstead to Trafalgar Square train tickets online with West Midlands Trains and London Underground (Tube).
The distance between Hemel Hempstead and Trafalgar Square is 35.2 km. The road distance is 42 km.
West Midlands Trains operates a train from Hemel Hempstead to London Euston every 20 minutes. Tickets cost £8–21 and the journey takes 33 min.