The average train between Slough and Sunbury-on-Thames takes 1h 13m and the fastest train takes 1h 2m. There is an hourly train service from Slough to Sunbury-on-Thames. 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 Sunbury-on-Thames. The earliest departure is at 5:51 AM in the morning, and the last departure from Slough is at 11:21 PM which arrives into Sunbury-on-Thames at 12:29 AM. All services require a transfer at Twickenham and take an average of 1h 13m. The schedules shown below are for the next available departures.


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1h 6m • 2 changesWant to know about travelling from Slough to Sunbury-on-Thames? 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 Sunbury-on-Thames. However, there are services departing from Windsor & Eton Riverside station and arriving at Upper Halliford station via Twickenham station. The journey, including transfers, takes approximately 1h 13m.
Slough to Sunbury-on-Thames train services, operated by South Western Railway, depart from Windsor & Eton Riverside station.
Slough to Sunbury-on-Thames train services, operated by South Western Railway, arrive at Upper Halliford station.
Book your Slough to Sunbury-on-Thames train tickets online with Omio.
The distance between Slough and Sunbury-on-Thames is 17 km. The road distance is 22 km.
You can take a train from Windsor & Eton Riverside to Upper Halliford via Twickenham and Teddington in around 1h 33m.