The average train between Heathrow and Slough Station takes 25 min and the fastest train takes 20 min. The train runs at least 3 times per hour from Heathrow to Slough Station. 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 every 20 minutes between Heathrow and Slough Station. The earliest departure is at 10:36 AM in the morning, and the last departure from Heathrow is at 11:21 PM which arrives into Slough Station at 11:49 PM. All services require a transfer, and take on average 25 min. The schedules shown below are for the next available departures.

25 min • 1 change

21 min • 1 change

28 min • 1 change

21 min • 1 change
Want to know about travelling from Heathrow to Slough Station? 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 Heathrow to Slough Station. However, there are services departing from Heathrow station and arriving at Slough Station station via Hayes And Harlington Station station. The journey, including transfers, takes approximately 25 min.
Heathrow to Slough Station train services, operated by Elizabeth Line (TfL), depart from Heathrow Terminals 2 & 3 station.
Heathrow to Slough Station train services, operated by Elizabeth Line (TfL), arrive at Slough station.
Book your Heathrow to Slough Station train tickets online with Elizabeth Line (TfL).
The distance between Heathrow and Slough Station is 10.8 km. The road distance is 18 km.
You can take a train from Heathrow Terminals 2 & 3 to Slough via Hayes And Harlington Station in around 27 min.