The average train between St James's Square and Windsor Castle takes 56 min and the fastest train takes 44 min. The train runs at least 2 times per hour from St James's Square to Windsor Castle. 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 30 minutes between St James's Square and Windsor Castle. The earliest departure is at 6:26 AM in the morning, and the last departure from St James's Square is at 10:41 PM which arrives into Windsor Castle at 11:51 PM. All services require a transfer at Tottenham Court Rd and take an average of 56 min. The schedules shown below are for the next available departures.

50 min • 1 change

55 min • 1 change

1h 2m • 1 change

51 min • 1 change
Want to know about travelling from St James's Square to Windsor Castle? 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 St James's Square to Windsor Castle. However, there are services departing from St James's Square station and arriving at Windsor Castle station via Slough. The journey, including transfers, takes approximately 56 min.
St James's Square to Windsor Castle train services, operated by Elizabeth Line (TfL), depart from Tottenham Court Rd station.
St James's Square to Windsor Castle train services, operated by Elizabeth Line (TfL), arrive at Windsor & Eton Central station.
Book your St James's Square to Windsor Castle train tickets online with Elizabeth Line (TfL) and Great Western Railway (GWR).
The distance between St James's Square and Windsor Castle is 32.6 km. The road distance is 39 km.
You can take a vehicle from St James's Square to Windsor Castle via Tottenham Court Rd, Slough, and Windsor & Eton Central in around 1h 15m.