The average bus between Southampton Airport (SOU) and Windsor Castle takes 3h 2m and the fastest bus takes 2h 28m. The bus service runs several times per day from Southampton Airport (SOU) 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.
Buses run every 2 hours between Southampton Airport (SOU) and Windsor Castle. The earliest departure is at 12:41 AM at night, and the last departure from Southampton Airport (SOU) is at 6:51 PM which arrives into Windsor Castle at 9:42 PM. All services require a transfer at Library and take an average of 3h 2m. The schedules shown below are for the next available departures.


3h 56m • 2 changes


3h 3m • 2 changes


3h 16m • 2 changes


3h 6m • 2 changes


3h 56m • 2 changes


2h 29m • 2 changes


3h 6m • 2 changes


3h 10m • 2 changes


3h 56m • 2 changes


2h 58m • 2 changes


3h 7m • 2 changes


3h 19m • 2 changes


3h 56m • 2 changes


3h 3m • 2 changes


3h 16m • 2 changes


3h 6m • 2 changes


3h 56m • 2 changes


3h 2m • 2 changes


3h 16m • 2 changes


2h 55m • 2 changes
Want to know about travelling from Southampton Airport (SOU) 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 bus from Southampton Airport (SOU) to Windsor Castle. However, there are services departing from Southampton Airport (SOU) station and arriving at Windsor Castle station via Heathrow Terminal 5. The journey, including transfers, takes approximately 3h 2m.
Southampton Airport (SOU) to Windsor Castle bus services, operated by Unilink, depart from Library station.
Southampton Airport (SOU) to Windsor Castle bus services, operated by Unilink, arrive at Parish Church station.
The distance between Southampton Airport (SOU) and Windsor Castle is 79.3 km. The road distance is 116 km.
You can take a bus from Airport Terminal to Windsor Castle via Library, Heathrow Terminal 5, and Parish Church in around 3h 10m.