The average train between Heathrow Terminal 3 and Windsor Castle takes 48 min and the fastest train takes 30 min. The train runs at least 2 times per hour from Heathrow Terminal 3 to Windsor Castle. 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 30 minutes between Heathrow Terminal 3 and Windsor Castle. The earliest departure is at 12:13 AM at night, and the last departure from Heathrow Terminal 3 is at 9:55 PM which arrives into Windsor Castle at 10:36 PM. All services require a transfer at Hayes And Harlington Station and take an average of 48 min. The schedules shown below are for the next available departures.


5h 22m • 2 changes

35 min • 2 changes

45 min • 2 changes

50 min • 2 changesWant to know about travelling from Heathrow Terminal 3 to Windsor Castle? 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 Heathrow Terminal 3 to Windsor Castle. However, there are services departing from Heathrow Terminal 3 station and arriving at Windsor Castle station via Hayes And Harlington Station station. The journey, including transfers, takes approximately 48 min.
Heathrow Terminal 3 to Windsor Castle train services, operated by Elizabeth Line (TfL), depart from Heathrow Terminals 2 & 3 station.
Heathrow Terminal 3 to Windsor Castle train services, operated by Elizabeth Line (TfL), arrive at Windsor & Eton Central station.
Book your Heathrow Terminal 3 to Windsor Castle train tickets online with Elizabeth Line (TfL) and Great Western Railway (GWR).
The distance between Heathrow Terminal 3 and Windsor Castle is 10.4 km. The road distance is 22 km.
You can take a train from Heathrow Terminals 2 & 3 to Windsor Castle via Hayes And Harlington Station, Slough, and Windsor & Eton Central in around 51 min.