The average train between London, Heathrow Airport Terminal 5 and Milton Keynes takes 1h 28m and the fastest train takes 1h 10m. The train runs at least 3 times per hour from London, Heathrow Airport Terminal 5 to Milton Keynes. 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 London, Heathrow Airport Terminal 5 and Milton Keynes. The earliest departure is at 7:27 AM in the morning, and the last departure from London, Heathrow Airport Terminal 5 is at 10:12 PM which arrives into Milton Keynes at 11:57 PM. All services require a transfer at London Paddington and take an average of 1h 28m. The schedules shown below are for the next available departures.


1h 23m • 2 changes


1h 16m • 2 changes


1h 25m • 2 changes


1h 23m • 2 changes
Want to know about travelling from London, Heathrow Airport Terminal 5 to Milton Keynes? 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 London, Heathrow Airport Terminal 5 to Milton Keynes. However, there are services departing from London, Heathrow Airport Terminal 5 station and arriving at Milton Keynes station via London Paddington. The journey, including transfers, takes approximately 1h 28m.
London, Heathrow Airport Terminal 5 to Milton Keynes train services, operated by Heathrow Express, depart from Heathrow Terminal 5 station.
London, Heathrow Airport Terminal 5 to Milton Keynes train services, operated by Heathrow Express, arrive at Milton Keynes Central station.
Book your London, Heathrow Airport Terminal 5 to Milton Keynes train tickets online with Heathrow Express, London Underground (Tube) and 2 other operators.
The distance between London, Heathrow Airport Terminal 5 and Milton Keynes is 66 km. The road distance is 111 km.
You can take a train from Heathrow Terminal 5 to Milton Keynes Central via London Paddington, Paddington, King's Cross St. Pancras station, and London Euston in around 1h 18m.