The average bus between London Heathrow Airport (LHR) and Castle Cary takes 9h and the fastest bus takes 4h 35m. The bus service runs several times per day from London Heathrow Airport (LHR) to Castle Cary. 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 3 times a day between London Heathrow Airport (LHR) and Castle Cary. The earliest departure is at 9:00 AM in the morning, and the last departure from London Heathrow Airport (LHR) is at 11:45 PM which arrives into Castle Cary at 10:05 AM. All services require a transfer at Bus Station and take an average of 9h. The schedules shown below are for the next available departures.


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Want to know about travelling from London Heathrow Airport (LHR) to Castle Cary? 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 London Heathrow Airport (LHR) to Castle Cary. However, there are services departing from London Heathrow Airport (LHR) station and arriving at Castle Cary station via Bus Station station. The journey, including transfers, takes approximately 9h.
London Heathrow Airport (LHR) to Castle Cary bus services, operated by National Express, depart from Heathrow Central Bus Station.
London Heathrow Airport (LHR) to Castle Cary bus services, operated by National Express, arrive at Cenotaph station.
The distance between London Heathrow Airport (LHR) and Castle Cary is 149.5 km. The road distance is 208 km.
You can take a bus from Heathrow Central Bus Station to The Horsepond via Bus Station and Cenotaph in around 5h 20m.