The average train between Windsor Castle and Southampton takes 1h 42m and the fastest train takes 1h 33m. There is a train service every few hours from Windsor Castle to Southampton. 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 hourly between Windsor Castle and Southampton. The earliest departure is at 7:00 AM in the morning, and the last departure from Windsor Castle is at 10:00 PM which arrives into Southampton at 11:45 PM. All services require a transfer at Windsor & Eton Central and take an average of 1h 42m. The schedules shown below are for the next available departures.


1h 43m • 2 changes


1h 42m • 2 changes


1h 43m • 2 changes


1h 47m • 2 changes


1h 42m • 2 changes


1h 43m • 2 changes


1h 42m • 2 changes


1h 43m • 2 changes


1h 42m • 2 changes


1h 43m • 2 changes


1h 42m • 2 changes


1h 43m • 2 changes
Want to know about travelling from Windsor Castle to Southampton? 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 Southampton. However, there are services departing from Windsor Castle station and arriving at Southampton station via Reading. The journey, including transfers, takes approximately 1h 42m.
Windsor Castle to Southampton train services, operated by Great Western Railway (GWR), depart from Slough station.
Windsor Castle to Southampton train services, operated by Great Western Railway (GWR), arrive at Southampton Central station.
Book your Windsor Castle to Southampton train tickets online with Great Western Railway (GWR), Cross Country and Elizabeth Line (TfL).
The distance between Windsor Castle and Southampton is 85.2 km. The road distance is 108 km.
You can take a vehicle from Windsor Castle to Southampton Central via Windsor & Eton Central, Slough, and Reading in around 2h 18m.