The average train between Reading and Parliament Square takes 52 min and the fastest train takes 43 min. The train runs at least 3 times per hour from Reading to Parliament 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 Reading and Parliament Square. The earliest departure is at 4:18 AM at night, and the last departure from Reading is at 5:05 PM which arrives into Parliament Square at 5:53 PM. All services require a transfer at London Paddington and take an average of 52 min. The schedules shown below are for the next available departures.

1h 29m • 1 change

1h 23m • 1 change

1h 7m • 1 change

56 min • 1 change
Want to know about travelling from Reading to Parliament 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 Reading to Parliament Square. However, there are services departing from Reading station and arriving at Parliament Square station via London Paddington. The journey, including transfers, takes approximately 52 min.
Reading to Parliament Square train services, operated by Great Western Railway (GWR), depart from Reading station.
Reading to Parliament Square train services, operated by Great Western Railway (GWR), arrive at Westminster station.
Book your Reading to Parliament Square train tickets online with Great Western Railway (GWR) and London Underground (Tube).
The distance between Reading and Parliament Square is 58.7 km. The road distance is 66 km.
South Western Railway operates a train from Reading to London Waterloo hourly. Tickets cost £17–40 and the journey takes 1h 26m.