The average bus between Windsor Castle and Althorp takes 5h 30m 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 Parish Church and take an average of 5h 30m. The schedules shown below are for the next available departures.



4h 30m • 3 changes



4h 31m • 3 changes



4h 44m • 3 changes



4h 52m • 3 changes



4h 30m • 3 changes



4h 31m • 3 changes



4h 44m • 3 changes



4h 52m • 3 changes



4h 30m • 3 changes



4h 31m • 3 changes



4h 44m • 3 changes



4h 52m • 3 changes



3h 34m • 3 changes



5h • 3 changes



5h • 3 changes



4h 53m • 3 changes



4h 30m • 3 changes



4h 31m • 3 changes



4h 44m • 3 changes



4h 52m • 3 changes
Want 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 Northampton. The journey, including transfers, takes approximately 5h 30m.
Windsor Castle to Althorp bus services, operated by Thames Valley Buses, depart from Heathrow Terminal 5 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 155 km.
National Express operates a bus from Heathrow Terminal 5 to Northampton hourly. Tickets cost £14–35 and the journey takes 2h 40m. FlixBus also services this route 3 times a day.