The average bus between Guildford and Cardiff takes 5h 26m and the fastest bus takes 4h 16m. There is a bus service every few hours from Guildford to Cardiff. 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 Cardiff. The earliest departure is at 5:21 AM in the morning, and the last departure from Guildford is at 11:00 PM which arrives into Cardiff at 4:00 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 5h 26m. The schedules shown below are for the next available departures.

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6h 10m • 1 change
Want to know about travelling from Guildford to Cardiff? 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 Cardiff. However, there are services departing from Guildford station and arriving at Cardiff station via Heathrow Terminal 2. The journey, including transfers, takes approximately 5h 26m.
Guildford to Cardiff bus services, operated by First Berkshire & The Thames Valley, depart from Guildford station.
Guildford to Cardiff bus services, operated by First Berkshire & The Thames Valley, arrive at Sophia Gardens station.
The distance between Guildford and Cardiff is 183 km. The road distance is 265 km.
You can take a bus from Guildford station to Sophia Gardens via Heathrow Terminal 2 and Heathrow Central Bus Station in around 4h 34m.