The average train between Slough and Grantham takes 2h 3m and the fastest train takes 1h 38m. There is an hourly train service from Slough to Grantham. 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 Slough and Grantham. The earliest departure is at 4:17 AM at night, and the last departure from Slough is at 9:03 PM which arrives into Grantham at 11:57 PM. All services require a transfer at London Paddington and take an average of 2h 3m. The schedules shown below are for the next available departures.


2h 12m • 2 changes


2h 4m • 2 changes


2h 6m • 2 changes


2h 6m • 2 changes


1h 54m • 2 changes


2h 4m • 2 changes


2h 12m • 2 changes


1h 55m • 2 changes


2h 40m • 2 changes


2h 7m • 2 changes


2h 6m • 2 changes


1h 51m • 2 changes
Want to know about travelling from Slough to Grantham? 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 Grantham. However, there are services departing from Slough station and arriving at Grantham station via Grantham. The journey, including transfers, takes approximately 2h 3m.
Slough to Grantham train services, operated by Great Western Railway (GWR), depart from King's Cross station.
Slough to Grantham train services, operated by Great Western Railway (GWR), arrive at Grantham station.
Book your Slough to Grantham train tickets online with Great Western Railway (GWR), London Underground (Tube) and 2 other operators.
The distance between Slough and Grantham is 155.9 km. The road distance is 203 km.
London North Eastern Railway Limited (LNER) operates a train from King's Cross to Grantham every 30 minutes. Tickets cost £30–50 and the journey takes 1h 4m. Hull Trains also services this route every 4 hours.