The average bus between Barry and Slough takes 5h 7m and the fastest bus takes 4h 20m. The bus service runs several times per day from Barry 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 3 hours between Barry and Slough. The earliest departure is at 5:26 AM in the morning, and the last departure from Barry is at 10:06 PM which arrives into Slough at 3:25 AM. All services require a transfer at Ninian Park PH and take an average of 5h 7m. The schedules shown below are for the next available departures.


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Want to know about travelling from Barry 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 Barry to Slough. However, there are services departing from Barry station and arriving at Slough station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 7m.
Barry to Slough bus services, operated by Cardiff Bus, depart from Sophia Gardens station.
Barry to Slough bus services, operated by Cardiff Bus, arrive at Heathrow Central Bus Station.
The distance between Barry and Slough is 186.7 km. The road distance is 252 km.
National Express operates a bus from Sophia Gardens to Heathrow Central Bus Station hourly. Tickets cost £25–65 and the journey takes 2h 50m.