The average train between High Wycombe and Sunbury-on-Thames takes 2h 2m and the fastest train takes 1h 37m. There is an hourly train service from High Wycombe 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 High Wycombe and Sunbury-on-Thames. The earliest departure is at 5:31 AM in the morning, and the last departure from High Wycombe is at 11:33 PM which arrives into Sunbury-on-Thames at 6:46 AM. All services require a transfer at London Marylebone and take an average of 2h 2m. The schedules shown below are for the next available departures.
Arrives next day


1h 57m • 2 changes
Arrives next day


7h 13m • 2 changes


1h 58m • 2 changes


2h • 2 changes


1h 45m • 2 changes


1h 59m • 2 changes


1h 58m • 2 changes


2h • 2 changes


1h 45m • 2 changes


1h 59m • 2 changes
Want to know about travelling from High Wycombe 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 High Wycombe to Sunbury-on-Thames. However, there are services departing from High Wycombe station and arriving at Sunbury-on-Thames station via London Marylebone. The journey, including transfers, takes approximately 2h 2m.
High Wycombe to Sunbury-on-Thames train services, operated by Chiltern Railways, depart from High Wycombe station.
High Wycombe to Sunbury-on-Thames train services, operated by Chiltern Railways, arrive at Upper Halliford station.
Book your High Wycombe to Sunbury-on-Thames train tickets online with Chiltern Railways, London Underground (Tube) and South Western Railway.
The distance between High Wycombe and Sunbury-on-Thames is 33.9 km. The road distance is 81 km.
You can take a train from High Wycombe to Upper Halliford via London Marylebone, Marylebone station, Waterloo station, and London Waterloo in around 1h 57m.