The average bus between Windsor Castle and Althorp takes 5h 10m and the fastest bus takes 3h 34m. The bus service runs several times per day from Windsor Castle to Althorp. 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 4 hours between Windsor Castle and Althorp. 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 Althorp at 7:25 AM. All services require a transfer at Heathrow Terminal 5 and take an average of 5h 10m. The schedules shown below are for the next available departures.



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4h 53m • 3 changesWant to know about travelling from Windsor Castle to Althorp? 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 Althorp. However, there are services departing from Windsor Castle station and arriving at Althorp station via Heathrow Terminal 5. The journey, including transfers, takes approximately 5h 10m.
Windsor Castle to Althorp bus services, operated by Thames Valley Buses, depart from Windsor Castle station.
Windsor Castle to Althorp bus services, operated by Thames Valley Buses, arrive at Northampton station.
The distance between Windsor Castle and Althorp is 92.5 km. The road distance is 146 km.
You can take a vehicle from Windsor Castle to East Lodge via Windsor Castle, Heathrow Terminal 5, London Heathrow Airport Terminal 5, Lake, and Northampton Bus Interchange in around 4h 27m.