The average train between Cardiff and Heathrow Terminal 4 takes 2h 49m and the fastest train takes 2h 33m. There is an hourly train service from Cardiff to Heathrow Terminal 4. 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 and Heathrow Terminal 4. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Heathrow Terminal 4 at 11:57 PM. All services require a transfer at Reading and take an average of 2h 49m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff to Heathrow Terminal 4? 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 to Heathrow Terminal 4. However, there are services departing from Cardiff station and arriving at Heathrow Terminal 4 station via Reading. The journey, including transfers, takes approximately 2h 49m.
Cardiff to Heathrow Terminal 4 train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Heathrow Terminal 4 train services, operated by Great Western Railway (GWR), arrive at Hayes And Harlington Station.
Book your Cardiff to Heathrow Terminal 4 train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Cardiff and Heathrow Terminal 4 is 189.4 km. The road distance is 224 km.
You can take a train from Cardiff Central to Heathrow Terminal 4 via Reading and Hayes And Harlington Station in around 3h 9m.
