The average bus between Windsor Castle and Southall takes 1h 57m and the fastest bus takes 1h 27m. The bus runs at least 2 times per hour from Windsor Castle to Southall. 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 30 minutes between Windsor Castle and Southall. The earliest departure is at 3:16 AM at night, and the last departure from Windsor Castle is at 10:45 PM which arrives into Southall at 12:40 AM. All services require a transfer at Parish Church and take an average of 1h 57m. The schedules shown below are for the next available departures.

2h 5m • 1 change
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1h 27m • 1 change
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1h 44m • 1 changeWant to know about travelling from Windsor Castle to Southall? 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 Southall. However, there are services departing from Parish Church station and arriving at Hamilton Road / Southall station via Heathrow Terminal 5 station. The journey, including transfers, takes approximately 1h 57m.
Windsor Castle to Southall bus services, operated by Thames Valley Buses, depart from Parish Church station.
Windsor Castle to Southall bus services, operated by Transport UK London Bus, arrive at Hamilton Road / Southall station.
The distance between Windsor Castle and Southall is 16.4 km. The road distance is 19 km.
You can take a vehicle from Windsor Castle to Hamilton Road / Southall via Parish Church and Heathrow Terminal 5 in around 1h 53m.