The average train between Slough and London St Pancras Intl takes 50 min and the fastest train takes 45 min. The train runs at least 3 times per hour from Slough to London St Pancras Intl. 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 Slough and London St Pancras Intl. The earliest departure is at 5:22 AM in the morning, and the last departure from Slough is at 11:21 PM which arrives into London St Pancras Intl at 12:17 AM. All services require a transfer at Farringdon Without and take an average of 50 min. The schedules shown below are for the next available departures.

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49 min • 1 changeWant to know about travelling from Slough to London St Pancras Intl? 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 London St Pancras Intl. However, there are services departing from Slough station and arriving at Farringdon Without station via Farringdon Without station. The journey, including transfers, takes approximately 50 min.
Slough to London St Pancras Intl train services, operated by Elizabeth Line (TfL), depart from Slough station.
Slough to London St Pancras Intl train services, operated by Elizabeth Line (TfL), arrive at Farringdon Without station.
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The distance between Slough and London St Pancras Intl is 32.5 km. The road distance is 39 km.
Elizabeth Line (TfL) operates a train from Slough to Farringdon Without every 30 minutes. Tickets cost £16–35 and the journey takes 43 min.