The average bus between Northolt and Cardiff takes 4h 20m and the fastest bus takes 3h 43m. There is a bus service every few hours from Northolt 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 hourly between Northolt and Cardiff. The earliest departure is at 6:11 AM in the morning, and the last departure from Northolt is at 11:52 PM which arrives into Cardiff at 4:00 AM. All services require a transfer, and take on average 4h 20m. The schedules shown below are for the next available departures.

4h 4m • 1 change

4h 47m • 1 change

4h 4m • 1 change

4h 23m • 1 change

4h 49m • 1 change

4h 38m • 1 change

3h 53m • 1 change

4h 28m • 1 change

4h 49m • 1 change

4h 38m • 1 change

3h 53m • 1 change

4h 28m • 1 change

4h 49m • 1 change

4h 38m • 1 change

3h 53m • 1 change

4h 28m • 1 change
Want to know about travelling from Northolt 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 Northolt to Cardiff. However, there are services departing from Northolt station and arriving at Cardiff station via Sophia Gardens. The journey, including transfers, takes approximately 4h 20m.
Northolt to Cardiff bus services, operated by First Bus London, depart from Heathrow Central Bus Station.
Northolt to Cardiff bus services, operated by First Bus London, arrive at Sophia Gardens station.
The distance between Northolt and Cardiff is 194.7 km. The road distance is 237 km.
National Express operates a bus from Heathrow Central Bus Station to Sophia Gardens hourly. Tickets cost £26–65 and the journey takes 2h 55m.