The average train between Cardiff Bay and London Heathrow Airport (LHR) takes 2h 21m and the fastest train takes 2h 15m. There is an hourly train service from Cardiff Bay to London Heathrow Airport (LHR). The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Cardiff Bay and London Heathrow Airport (LHR). The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff Bay is at 9:20 PM which arrives into London Heathrow Airport (LHR) at 11:41 PM. All services require a transfer, and take on average 2h 21m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff Bay to London Heathrow Airport (LHR)? 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 train from Cardiff Bay to London Heathrow Airport (LHR). However, there are services departing from Cardiff Bay station and arriving at London Heathrow Airport (LHR) station via London Paddington. The journey, including transfers, takes approximately 2h 21m.
Cardiff Bay to London Heathrow Airport (LHR) train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff Bay to London Heathrow Airport (LHR) train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
Book your Cardiff Bay to London Heathrow Airport (LHR) train tickets online with Great Western Railway (GWR) and Heathrow Express.
The distance between Cardiff Bay and London Heathrow Airport (LHR) is 187.8 km. The road distance is 255 km.
Great Western Railway (GWR) operates a train from Cardiff Central to London Paddington hourly. Tickets cost £65–130 and the journey takes 1h 58m.