Reading ▸ Cardiff
Cardiff ▸ Reading ⇄Direct buses · no change
- 12:45 → 15:05National Express 508Reading, Mereoak Lane - Park & Ride → Cardiff, Sophia Gardens2h20nonstopRuns: Mon to ThuBook on National Express ↗
- 20:25 → 22:55FlixBus UK042Reading (Mereoak Park and Ride) → Cardiff North Road (Friary Gardens) · via Newport2h301 stopRuns: DailyBook on FlixBus ↗
Local times at each stop. Times from official open data: National Coach Services Dataset (Department for Transport) (file of 23 Oct 2026), FlixBus (file of 25 Oct 2026) and FlixBus UK (file of 25 Oct 2026). Checked Thu 29 Oct 2026; they cover 29 Oct to 25 Nov 2026. Timetables change, so check with the operator before you travel. A bus from a company that publishes no open timetable may be missing. Contains FlixBus timetable data (FlixMobility, transport.data.gouv.fr), ODbL 1.0. Contains public sector information licensed under the Open Government Licence v3.0: the National Coach Services Dataset (Department for Transport), taken from the Bus Open Data Service website. How we build this.
Quick answers
Is there a direct bus from Reading to Cardiff?
Yes. 1.6 a day on average, with FlixBus and National Express, no change of bus (29 Oct to 25 Nov 2026).
How long is the bus from Reading to Cardiff?
The fastest takes 2h20; the slowest 2h30, for 153 km as the crow flies.
When do the buses leave?
The earliest leaves at 12:45 and the latest at 20:25, local time in Reading. Not every bus runs every day: pick a date above.
Is there a night bus from Reading to Cardiff?
Not an overnight one: every bus here travels by day or evening.