The average bus between Cardiff and Greenford takes 4h 22m and the fastest bus takes 3h 23m. There is a bus service every few hours from Cardiff to Greenford. 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 Greenford. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Greenford at 3:42 AM. All services require a transfer, and take on average 4h 22m. The schedules shown below are for the next available departures.

3h 58m • 1 change

4h 42m • 1 change

4h 7m • 1 change

4h 50m • 1 change

3h 37m • 1 change

4h 34m • 1 change

3h 58m • 1 change

4h 42m • 1 change

3h 37m • 1 change

4h 34m • 1 change

3h 58m • 1 change

4h 42m • 1 change

3h 23m • 1 change

4h 4m • 1 change

3h 34m • 1 change

4h 31m • 1 change
Want to know about travelling from Cardiff to Greenford? 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 Greenford. However, there are services departing from Cardiff station and arriving at Greenford station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 4h 22m.
Cardiff to Greenford bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Greenford bus services, operated by National Express, arrive at Greenford Broadway station.
The distance between Cardiff and Greenford is 195.6 km. The road distance is 236 km.
You can take a bus from Sophia Gardens to Greenford Broadway via Heathrow Central Bus Station in around 3h 52m.