The average train between Windsor Castle and London takes 39 min and the fastest train takes 25 min. The train runs at least 2 times per hour from Windsor Castle to London. 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 Windsor Castle and London. The earliest departure is at 12:03 AM at night, and the last departure from Windsor Castle is at 11:56 PM which arrives into London at 12:28 AM. All services require a transfer at Windsor & Eton Central and take an average of 39 min. The schedules shown below are for the next available departures.

40 min • 1 change
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1h 11m • 1 change
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28 min • 1 change
31 min • 1 changeWant to know about travelling from Windsor Castle to London? 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 Windsor Castle to London. However, there are services departing from Slough station and arriving at London Paddington station via London Paddington station. The journey, including transfers, takes approximately 39 min.
Windsor Castle to London train services, operated by Elizabeth Line (TfL), depart from Slough station.
Windsor Castle to London train services, operated by Elizabeth Line (TfL), arrive at London Paddington station.
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The distance between Windsor Castle and London is 33.2 km. The road distance is 36 km.
Elizabeth Line (TfL) operates a train from Slough to London Paddington every 30 minutes. Tickets cost £14–27 and the journey takes 35 min. Great Western Railway (GWR) also services this route every 2 hours.