The average bus between Cardiff and Paddington takes 4h 15m and the fastest bus takes 3h 38m. The bus service runs several times per day from Cardiff to Paddington. 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 2 hours between Cardiff and Paddington. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 6:10 PM which arrives into Paddington at 10:26 PM. All services require a transfer at Heathrow Terminal 5 and take an average of 4h 15m. The schedules shown below are for the next available departures.

4h 39m • 1 change
4h 32m • 1 change
4h 46m • 1 change
4h 30m • 1 change
4h 11m • 1 change
3h 50m • 1 change
4h 12m • 1 change
4h 1m • 1 change
4h 11m • 1 change
3h 50m • 1 change
4h 12m • 1 change
4h 1m • 1 change
4h 11m • 1 change
3h 47m • 1 change
4h 10m • 1 change
4h • 1 change
4h 15m • 1 change
3h 44m • 1 change
4h 9m • 1 change
4h • 1 change
4h 13m • 1 change
3h 38m • 1 change
4h 14m • 1 change
3h 59m • 1 change
4h 11m • 1 change
3h 50m • 1 change
4h 12m • 1 change
4h 1m • 1 changeWant to know about travelling from Cardiff to Paddington? 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 Paddington. However, there are services departing from Sophia Gardens station and arriving at Heathrow Terminal 5 station via Heathrow Terminal 5 station. The journey, including transfers, takes approximately 4h 15m.
Cardiff to Paddington bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Paddington bus services, operated by National Express, arrive at Heathrow Terminal 5 station.
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The distance between Cardiff and Paddington is 207.7 km. The road distance is 238 km.
National Express operates a bus from Sophia Gardens to Heathrow Terminal 5 hourly. Tickets cost £21–40 and the journey takes 3h 20m.