The average train between Windsor Castle and Heathrow Terminal 4 takes 53 min and the fastest train takes 47 min. The train runs at least 2 times per hour from Windsor Castle to Heathrow Terminal 4. 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 Windsor Castle and Heathrow Terminal 4. The earliest departure is at 6:00 AM in the morning, and the last departure from Windsor Castle is at 11:09 PM which arrives into Heathrow Terminal 4 at 11:57 PM. All services require a transfer at Windsor & Eton Central and take an average of 53 min. The schedules shown below are for the next available departures.


57 min • 2 changes


52 min • 2 changes


47 min • 2 changes


57 min • 2 changes
Want to know about travelling from Windsor Castle to Heathrow Terminal 4? 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 Windsor Castle to Heathrow Terminal 4. However, there are services departing from Windsor Castle station and arriving at Heathrow Terminal 4 station via Hayes And Harlington Station station. The journey, including transfers, takes approximately 53 min.
Windsor Castle to Heathrow Terminal 4 train services, operated by Great Western Railway (GWR), depart from Slough station.
Windsor Castle to Heathrow Terminal 4 train services, operated by Great Western Railway (GWR), arrive at Heathrow Terminal 4 station.
Book your Windsor Castle to Heathrow Terminal 4 train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Windsor Castle and Heathrow Terminal 4 is 11.4 km. The road distance is 26 km.
You can take a vehicle from Windsor Castle to Heathrow Terminal 4 via Windsor & Eton Central, Slough, and Hayes And Harlington Station in around 59 min.