The average bus between Cardiff and Mill Hill takes 5h 16m and the fastest bus takes 4h 15m. There is a bus service every few hours from Cardiff to Mill Hill. 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 Cardiff and Mill Hill. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Mill Hill at 5:33 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 5h 16m. The schedules shown below are for the next available departures.


4h 58m • 2 changes


5h 25m • 2 changes


4h 46m • 2 changes


5h 40m • 2 changes


4h 58m • 2 changes


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4h 46m • 2 changes


5h 40m • 2 changes


4h 58m • 2 changes


5h 25m • 2 changes


4h 46m • 2 changes


5h 40m • 2 changes
Want to know about travelling from Cardiff to Mill Hill? 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 Mill Hill. However, there are services departing from Cardiff station and arriving at Mill Hill station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 16m.
Cardiff to Mill Hill bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Mill Hill bus services, operated by National Express, arrive at Harrow Bus Station.
The distance between Cardiff and Mill Hill is 203.3 km. The road distance is 249 km.
You can take a bus from Sophia Gardens to Mill Hill Broadway via Heathrow Central Bus Station and Harrow Bus Station in around 4h 38m.