The average train between Windsor Castle and Heathrow takes 26 min and the fastest train takes 21 min. The train runs at least 3 times per hour from Windsor Castle to Heathrow. 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 20 minutes between Windsor Castle and Heathrow. The earliest departure is at 5:56 AM in the morning, and the last departure from Windsor Castle is at 5:59 PM which arrives into Heathrow at 6:25 PM. All services require a transfer at Notting Hill Gate station and take an average of 26 min. The schedules shown below are for the next available departures.

26 min • 1 change

22 min • 1 change

22 min • 1 change

23 min • 1 change
Want to know about travelling from Windsor Castle to Heathrow? 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. However, there are services departing from Windsor Castle station and arriving at Heathrow station via Paddington station station. The journey, including transfers, takes approximately 26 min.
Windsor Castle to Heathrow train services, operated by London Underground (Tube), depart from Notting Hill Gate station.
Windsor Castle to Heathrow train services, operated by London Underground (Tube), arrive at Heathrow Terminals 2 & 3 station.
The distance between Windsor Castle and Heathrow is 18.1 km. The road distance is 26 km.
There is no direct connection from Windsor Castle to Heathrow. However, you can walk to Notting Hill Gate station, take the subway to Paddington station, walk to London Paddington, then take the train to Heathrow Terminals 2 & 3.