The average bus between Cardiff and Windsor Castle takes 4h and the fastest bus takes 3h 27m. The bus service runs several times per day from Cardiff 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 every 2 hours between Cardiff and Windsor Castle. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 6:10 PM which arrives into Windsor Castle at 10:15 PM. All services require a transfer at London Hammersmith Bridge Road and take an average of 4h. The schedules shown below are for the next available departures.

4h 14m • 1 change

3h 44m • 1 change

3h 39m • 1 change

4h 5m • 1 change

4h 3m • 1 change

3h 35m • 1 change

3h 56m • 1 change

3h 45m • 1 change

4h 3m • 1 change

3h 35m • 1 change

3h 56m • 1 change

3h 45m • 1 change

4h 3m • 1 change

3h 32m • 1 change

3h 54m • 1 change

3h 44m • 1 change

4h 7m • 1 change

3h 32m • 1 change

3h 54m • 1 change

3h 43m • 1 change
Want to know about travelling from Cardiff 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 Cardiff to Windsor Castle. However, there are services departing from Cardiff station and arriving at Windsor Castle station via London Hammersmith Bridge Road. The journey, including transfers, takes approximately 4h.
Cardiff to Windsor Castle bus services, operated by FlixBus, depart from Cardiff North Road station.
Cardiff to Windsor Castle bus services, operated by FlixBus, arrive at London Hammersmith Bridge Road station.
The distance between Cardiff and Windsor Castle is 206.4 km. The road distance is 236 km.
FlixBus operates a bus from Cardiff North Road to London Hammersmith Bridge Road every 2 hours. Tickets cost £17–29 and the journey takes 3h 20m.