The average bus between Carshalton and Slough takes 2h 2m and the fastest bus takes 1h 26m. The bus runs at least 2 times per hour from Carshalton 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 every 30 minutes between Carshalton and Slough. The earliest departure is at 4:44 AM at night, and the last departure from Carshalton is at 11:29 PM which arrives into Slough at 12:57 AM. All services require a transfer, and take on average 2h 2m. The schedules shown below are for the next available departures.

1h 44m • 1 change

1h 35m • 1 change

1h 46m • 1 change

1h 56m • 1 change
Want to know about travelling from Carshalton 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 Carshalton to Slough. However, there are services departing from Carshalton station and arriving at Slough station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 2h 2m.
Carshalton to Slough bus services, operated by Metrobus, depart from Carshalton High Street station.
Carshalton to Slough bus services, operated by Metrobus, arrive at Wellington Street Stop H station.
The distance between Carshalton and Slough is 33.6 km. The road distance is 43 km.
You can take a bus from Carshalton High Street to Wellington Street Stop H via Heathrow Central Bus Station in around 1h 49m.