The average bus between Windsor Castle and Southampton takes 2h 37m and the fastest bus takes 2h 15m. There is a bus 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.
Buses run hourly between Windsor Castle and Southampton. The earliest departure is at 6:44 AM in the morning, and the last departure from Windsor Castle is at 10:45 PM which arrives into Southampton at 1:30 AM. All services require a transfer at Parish Church and take an average of 2h 37m. The schedules shown below are for the next available departures.

2h 39m • 1 change

2h 48m • 1 change

2h 35m • 1 change
Arrives next day

2h 20m • 1 change

2h 46m • 1 change

2h 37m • 1 change

2h 28m • 1 change

2h 28m • 1 change

2h 46m • 1 change

2h 37m • 1 change

2h 28m • 1 change

2h 28m • 1 change

2h 46m • 1 change

2h 37m • 1 change

2h 28m • 1 change

2h 28m • 1 change

2h 46m • 1 change

2h 37m • 1 change

2h 28m • 1 change

2h 43m • 1 change
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 bus from Windsor Castle to Southampton. However, there are services departing from Windsor Castle station and arriving at Southampton station via Heathrow Terminal 5. The journey, including transfers, takes approximately 2h 37m.
Windsor Castle to Southampton bus services, operated by Thames Valley Buses, depart from Parish Church station.
Windsor Castle to Southampton bus services, operated by Thames Valley Buses, arrive at Coach Station.
The distance between Windsor Castle and Southampton is 85.2 km. The road distance is 118 km.
You can take a vehicle from Windsor Castle to Coach Station via Parish Church and Heathrow Terminal 5 in around 2h 48m.