The average train between Windsor and Heathrow Terminal 3 takes 53 min and the fastest train takes 34 min. The train runs at least 2 times per hour from Windsor to Heathrow Terminal 3. 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 and Heathrow Terminal 3. The earliest departure is at 5:40 AM in the morning, and the last departure from Windsor is at 11:56 PM which arrives into Heathrow Terminal 3 at 4:59 AM. All services require a transfer at Slough and take an average of 53 min. The schedules shown below are for the next available departures.


40 min • 2 changes


52 min • 2 changes


47 min • 2 changes


42 min • 2 changes
Want to know about travelling from Windsor to Heathrow Terminal 3? 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 to Heathrow Terminal 3. However, there are services departing from Windsor station and arriving at Heathrow Terminal 3 station via Slough. The journey, including transfers, takes approximately 53 min.
Windsor to Heathrow Terminal 3 train services, operated by Great Western Railway (GWR), depart from Windsor & Eton Central station.
Windsor to Heathrow Terminal 3 train services, operated by Great Western Railway (GWR), arrive at Heathrow Terminals 2 & 3 station.
Book your Windsor to Heathrow Terminal 3 train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Windsor and Heathrow Terminal 3 is 10 km. The road distance is 22 km.
You can take a train from Windsor & Eton Central to Heathrow Terminals 2 & 3 via Slough and Hayes And Harlington Station in around 46 min.