The average bus between Big Ben and Buckingham Castle takes 3h 42m and the fastest bus takes 3h 3m. There is a bus service every few hours from Big Ben to Buckingham 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 hourly between Big Ben and Buckingham Castle. The earliest departure is at 3:52 AM at night, and the last departure from Big Ben is at 8:09 PM which arrives into Buckingham Castle at 11:30 PM. All services require a transfer at Parliament Square / Westminster Abbey and take an average of 3h 42m. The schedules shown below are for the next available departures.


3h 43m • 2 changes

3h 34m • 2 changes

3h 34m • 2 changes

3h 34m • 2 changes

3h 3m • 2 changes

3h 26m • 2 changes

3h 23m • 2 changes

3h 22m • 2 changes

3h 58m • 2 changes

3h 31m • 2 changes

3h 53m • 2 changes

3h 32m • 2 changesWant to know about travelling from Big Ben to Buckingham 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 Big Ben to Buckingham Castle. However, there are services departing from Big Ben station and arriving at Buckingham Castle station via Gloucester Green Bus Station station. The journey, including transfers, takes approximately 3h 42m.
Big Ben to Buckingham Castle bus services, operated by First Bus London, depart from Marble Arch station.
Big Ben to Buckingham Castle bus services, operated by First Bus London, arrive at High Street station.
The distance between Big Ben and Buckingham Castle is 81.2 km. The road distance is 138 km.
You can take a vehicle from Big Ben to Buckingham Castle via Parliament Square / Westminster Abbey, Marble Arch, Gloucester Green Bus Station, and High Street in around 4h 5m.