The average bus between Guildford and Slough takes 1h 51m and the fastest bus takes 1h 31m. There is a bus service every few hours from Guildford to Slough. 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 hourly between Guildford and Slough. The earliest departure is at 3:30 AM at night, and the last departure from Guildford is at 11:00 PM which arrives into Slough at 12:41 AM. All services require a transfer, and take on average 1h 51m. The schedules shown below are for the next available departures.

2h 6m • 1 change

2h 12m • 1 change

2h 32m • 1 change

2h 19m • 1 change

1h 35m • 1 change

1h 33m • 1 change

1h 37m • 1 change

1h 48m • 1 change

1h 35m • 1 change

1h 33m • 1 change

1h 37m • 1 change

1h 48m • 1 change
Want to know about travelling from Guildford to Slough? 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 Slough. However, there are services departing from Guildford station and arriving at Slough station via Heathrow Terminal 5. The journey, including transfers, takes approximately 1h 51m.
Guildford to Slough bus services, operated by First Berkshire & The Thames Valley, depart from Guildford station.
Guildford to Slough bus services, operated by First Berkshire & The Thames Valley, arrive at Brunel Way station.
The distance between Guildford and Slough is 30.5 km. The road distance is 50 km.
You can take a bus from Guildford station to Brunel Way via Heathrow Terminal 5 in around 1h 38m.