The average bus between Cardiff and Heathrow Terminal 3 takes 3h 19m and the fastest bus takes 2h 40m. There is an hourly bus service from Cardiff to Heathrow Terminal 3. 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 Cardiff and Heathrow Terminal 3. The earliest departure is at 12:45 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Heathrow Terminal 3 at 3:00 AM. All services run direct with no transfers required, and take on average 3h 19m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff to Heathrow Terminal 3? 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.
Yes, there is a direct bus departing from Cardiff station and arriving at Heathrow Terminal 3 station. Services depart hourly, and operate Twice daily. The journey takes approximately 3h 19m.
Cardiff to Heathrow Terminal 3 bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Heathrow Terminal 3 bus services, operated by National Express, arrive at Heathrow Central Bus Station.
Book your Cardiff to Heathrow Terminal 3 bus tickets online with National Express and FlixBus.
The distance between Cardiff and Heathrow Terminal 3 is 188.6 km. The road distance is 221 km.
National Express operates a bus from Sophia Gardens to Heathrow Central Bus Station hourly. Tickets cost £26–65 and the journey takes 2h 50m. FlixBus also services this route hourly.