The average bus between Caerphilly and St Mellons takes 1h 45m and the fastest bus takes 1h 11m. There is a bus service every few hours from Caerphilly to St Mellons. 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 Caerphilly and St Mellons. The earliest departure is at 6:06 AM in the morning, and the last departure from Caerphilly is at 10:08 PM which arrives into St Mellons at 9:46 AM. All services require a transfer at Market Square 15A and take an average of 1h 45m. The schedules shown below are for the next available departures.

1h 30m • 1 change

1h 33m • 1 change

1h 32m • 1 change

1h 32m • 1 change

1h 24m • 1 change

1h 35m • 1 change

1h 39m • 1 change

1h 32m • 1 change

2h 11m • 1 change

1h 11m • 1 change

1h 16m • 1 change

1h 26m • 1 change

1h 22m • 1 change

1h 35m • 1 change

1h 38m • 1 change

1h 47m • 1 change
Want to know about travelling from Caerphilly to St Mellons? 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 Caerphilly to St Mellons. However, there are services departing from Caerphilly station and arriving at St Mellons station via Market Square 15A. The journey, including transfers, takes approximately 1h 45m.
Caerphilly to St Mellons bus services, operated by Stagecoach South Wales, depart from South Gate Square station.
Caerphilly to St Mellons bus services, operated by Stagecoach South Wales, arrive at Llaneirwg Way station.
The distance between Caerphilly and St Mellons is 9.9 km. The road distance is 33 km.
You can take a bus from South Gate Square to Llaneirwg Way via Market Square 15A and Friars Walk 15 in around 1h 28m.