The average train between Southall and Windsor Castle takes 35 min and the fastest train takes 25 min. The train runs at least 2 times per hour from Southall 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 Southall and Windsor Castle. The earliest departure is at 3:49 AM at night, and the last departure from Southall is at 10:02 PM which arrives into Windsor Castle at 10:36 PM. All services require a transfer at Slough and take an average of 35 min. The schedules shown below are for the next available departures.

1h 47m • 1 change

25 min • 1 change

35 min • 1 change

40 min • 1 change
Want to know about travelling from Southall 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 Southall to Windsor Castle. However, there are services departing from Southall station and arriving at Windsor Castle station via Slough. The journey, including transfers, takes approximately 35 min.
Southall to Windsor Castle train services, operated by Great Western Railway (GWR), depart from Southall station.
Southall to Windsor Castle train services, operated by Great Western Railway (GWR), arrive at Windsor & Eton Central station.
Book your Southall to Windsor Castle train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Southall and Windsor Castle is 16.4 km. The road distance is 19 km.
You can take a train from Southall to Windsor Castle via Slough and Windsor & Eton Central in around 39 min.