The average train between Didcot and Heathrow takes 1h 13m and the fastest train takes 55 min. There is an hourly train service from Didcot 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 hourly between Didcot and Heathrow. The earliest departure is at 12:24 AM at night, and the last departure from Didcot is at 11:45 PM which arrives into Heathrow at 5:11 AM. All services require a transfer, and take on average 1h 13m. The schedules shown below are for the next available departures.

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1h 4m • 1 changeWant to know about travelling from Didcot 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 Didcot to Heathrow. However, there are services departing from Didcot Parkway station and arriving at Heathrow Terminals 2 & 3 station via London Paddington station. The journey, including transfers, takes approximately 1h 13m.
Didcot to Heathrow train services, operated by Great Western Railway (GWR), depart from Didcot Parkway station.
Didcot to Heathrow train services, operated by Heathrow Express, arrive at Heathrow Terminals 2 & 3 station.
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The distance between Didcot and Heathrow is 56.8 km. The road distance is 66 km.
You can take a train from Didcot Parkway to Heathrow Terminals 2 & 3 via London Paddington in around 1h 4m.