The average train between Heathrow and Didcot Parkway takes 1h 10m and the fastest train takes 57 min. The train runs at least 2 times per hour from Heathrow to Didcot Parkway. 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 and Didcot Parkway. The earliest departure is at 7:17 AM in the morning, and the last departure from Heathrow is at 10:17 PM which arrives into Didcot Parkway at 11:30 PM. All services require a transfer, and take on average 1h 10m. The schedules shown below are for the next available departures.

1h 12m • 1 change

1h 6m • 1 change

1h 10m • 1 change

1h 9m • 1 change
Want to know about travelling from Heathrow to Didcot Parkway? 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 to Didcot Parkway. However, there are services departing from Heathrow station and arriving at Didcot Parkway station via London Paddington. The journey, including transfers, takes approximately 1h 10m.
Heathrow to Didcot Parkway train services, operated by Heathrow Express, depart from Heathrow Terminals 2 & 3 station.
Heathrow to Didcot Parkway train services, operated by Heathrow Express, arrive at Didcot Parkway station.
Book your Heathrow to Didcot Parkway train tickets online with Heathrow Express and Great Western Railway (GWR).
The distance between Heathrow and Didcot Parkway is 56.9 km. The road distance is 108 km.
You can take a train from Heathrow Terminals 2 & 3 to Didcot Parkway via London Paddington in around 1h 3m.