The average bus between Mildenhall and Cardiff takes 7h 48m and the fastest bus takes 7h 10m. The bus service runs several times per day from Mildenhall to Cardiff. 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 4 hours between Mildenhall and Cardiff. The earliest departure is at 3:00 AM at night, and the last departure from Mildenhall is at 5:15 PM which arrives into Cardiff at 12:50 AM. All services require a transfer, and take on average 7h 48m. The schedules shown below are for the next available departures.

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Want to know about travelling from Mildenhall to Cardiff? 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 Mildenhall to Cardiff. However, there are services departing from Mildenhall station and arriving at Cardiff station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 7h 48m.
Mildenhall to Cardiff bus services, operated by National Express, depart from Bus Station.
Mildenhall to Cardiff bus services, operated by National Express, arrive at Sophia Gardens station.
Book your Mildenhall to Cardiff bus tickets online with National Express.
The distance between Mildenhall and Cardiff is 270.9 km. The road distance is 393 km.
You can take a bus from Bus Station to Sophia Gardens via Heathrow Central Bus Station in around 6h 45m.