The average bus between Cardiff and Chiswick takes 5h 27m and the fastest bus takes 3h 31m. The bus service runs several times per day from Cardiff to Chiswick. 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 Chiswick. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Chiswick at 3:57 AM. All services require a transfer, and take on average 5h 27m. The schedules shown below are for the next available departures.

3h 41m • 1 change
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8h 5m • 1 change
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4h 17m • 1 change

3h 41m • 1 change
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8h 5m • 1 change
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4h 17m • 1 change

3h 41m • 1 change
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8h 5m • 1 change
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4h 23m • 1 change

3h 58m • 1 change
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8h 7m • 1 change
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4h 23m • 1 change

3h 48m • 1 change
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7h 57m • 1 change
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4h 17m • 1 change
Want to know about travelling from Cardiff to Chiswick? 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 Chiswick. However, there are services departing from Cardiff station and arriving at Chiswick station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 27m.
Cardiff to Chiswick bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Chiswick bus services, operated by National Express, arrive at Heathrow Central Bus Station.
The distance between Cardiff and Chiswick is 202.3 km. The road distance is 236 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.