The average bus between Guildford and Windsor Castle takes 2h 10m and the fastest bus takes 1h 59m. The bus service runs several times per day from Guildford 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 twice daily between Guildford and Windsor Castle. The earliest departure is at 7:23 AM in the morning, and the last departure from Guildford is at 5:27 PM which arrives into Windsor Castle at 8:22 PM. All services require a transfer at Heathrow Terminal 5 and take an average of 2h 10m. The schedules shown below are for the next available departures.

1h 59m • 1 change
2h 1m • 1 change
2h 3m • 1 change
2h 8m • 1 changeWant to know about travelling from Guildford 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 Guildford to Windsor Castle. However, there are services departing from Guildford station and arriving at Windsor Castle station via Heathrow Terminal 5 station. The journey, including transfers, takes approximately 2h 10m.
Guildford to Windsor Castle bus services, operated by First Berkshire & The Thames Valley, depart from Guildford station.
Guildford to Windsor Castle bus services, operated by Thames Valley Buses, arrive at Windsor Castle station.
The distance between Guildford and Windsor Castle is 27.7 km. The road distance is 33 km.
You can take a bus from Guildford station to Windsor Castle via Heathrow Terminal 5 and Windsor Castle in around 2h 3m.