The average bus between Cardiff and Newmarket takes 7h 11m and the fastest bus takes 6h 35m. The bus service runs several times per day from Cardiff to Newmarket. 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 every 3 hours between Cardiff and Newmarket. The earliest departure is at 3:25 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Newmarket at 12:10 AM. All services require a transfer, and take on average 7h 11m. The schedules shown below are for the next available departures.

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Want to know about travelling from Cardiff to Newmarket? 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 Newmarket. However, there are services departing from Cardiff station and arriving at Newmarket station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 7h 11m.
Cardiff to Newmarket bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Newmarket bus services, operated by National Express, arrive at Horse Racing Museum station.
Book your Cardiff to Newmarket bus tickets online with National Express.
The distance between Cardiff and Newmarket is 260.4 km. The road distance is 376 km.
You can take a bus from Sophia Gardens to Horse Racing Museum via Heathrow Central Bus Station in around 6h 40m.