The average train between Slough and Merstham takes 1h 36m and the fastest train takes 1h 35m. The train service runs several times per day from Slough to Merstham. 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 4 times a day between Slough and Merstham. The earliest departure is at 8:45 AM in the morning, and the last departure from Slough is at 9:51 PM which arrives into Merstham at 11:26 PM. All services require a transfer at Farringdon Without and take an average of 1h 36m. The schedules shown below are for the next available departures.

1h 41m • 1 change

1h 40m • 1 change

1h 40m • 1 change

1h 35m • 1 change
Want to know about travelling from Slough to Merstham? 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 Slough to Merstham. However, there are services departing from Slough station and arriving at Merstham station via Farringdon Without. The journey, including transfers, takes approximately 1h 36m.
Slough to Merstham train services, operated by Elizabeth Line (TfL), depart from Slough station.
Slough to Merstham train services, operated by Elizabeth Line (TfL), arrive at Merstham station.
Book your Slough to Merstham train tickets online with Elizabeth Line (TfL) and Thameslink.
The distance between Slough and Merstham is 41.6 km. The road distance is 68 km.
You can take a train from Slough to Merstham via Farringdon Without and Farringdon in around 1h 41m.