The average train between Heathrow Terminals 2 & 3 and Sidcup takes 1h 24m and the fastest train takes 1h 11m. The train runs at least 3 times per hour from Heathrow Terminals 2 & 3 to Sidcup. 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 Heathrow Terminals 2 & 3 and Sidcup. The earliest departure is at 8:17 AM in the morning, and the last departure from Heathrow Terminals 2 & 3 is at 8:32 PM which arrives into Sidcup at 9:52 PM. All services require a transfer at London Paddington and take an average of 1h 24m. The schedules shown below are for the next available departures.


1h 24m • 2 changes


1h 20m • 2 changes


1h 24m • 2 changes


1h 20m • 2 changes
Want to know about travelling from Heathrow Terminals 2 & 3 to Sidcup? 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 Terminals 2 & 3 to Sidcup. However, there are services departing from Heathrow Terminals 2 & 3 station and arriving at Sidcup station via London Paddington. The journey, including transfers, takes approximately 1h 24m.
Heathrow Terminals 2 & 3 to Sidcup train services, operated by Heathrow Express, depart from Heathrow Terminals 2 & 3 station.
Heathrow Terminals 2 & 3 to Sidcup train services, operated by Heathrow Express, arrive at Sidcup station.
Book your Heathrow Terminals 2 & 3 to Sidcup train tickets online with Heathrow Express, London Underground (Tube) and Southeastern.
The distance between Heathrow Terminals 2 & 3 and Sidcup is 38.9 km. The road distance is 47 km.
You can take a vehicle from Heathrow Terminals 2 & 3 to Sidcup via Heathrow Terminals 2 & 3, London Paddington, Paddington station, Charing Cross station, and London Charing Cross in around 1h 18m.