The average bus between Cardiff and Hounslow takes 5h 4m and the fastest bus takes 3h 7m. The bus service runs several times per day from Cardiff to Hounslow. 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 Cardiff and Hounslow. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Hounslow at 3:35 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 5h 4m. The schedules shown below are for the next available departures.
Arrives next day

7h 44m • 1 change
Arrives next day

3h 55m • 1 change

3h 18m • 1 change
Arrives next day

7h 44m • 1 change
Arrives next day

3h 55m • 1 change

3h 18m • 1 change
Arrives next day

7h 44m • 1 change
Arrives next day

3h 55m • 1 change

3h 18m • 1 change
Arrives next day

7h 44m • 1 change
Arrives next day

4h 3m • 1 change

3h 36m • 1 change
Arrives next day

7h 44m • 1 change
Arrives next day

3h 57m • 1 change
Want to know about travelling from Cardiff to Hounslow? 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 Hounslow. However, there are services departing from Cardiff station and arriving at Hounslow station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 4m.
Cardiff to Hounslow bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Hounslow bus services, operated by National Express, arrive at Heathrow Central Bus Station.
The distance between Cardiff and Hounslow is 195.2 km. The road distance is 231 km.
National Express operates a bus from Sophia Gardens to Heathrow Central Bus Station hourly. Tickets cost £26–65 and the journey takes 2h 50m.