The average train between Sidcup and Heathrow takes 1h 21m and the fastest train takes 1h 6m. The train runs at least 2 times per hour from Sidcup 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 30 minutes between Sidcup and Heathrow. The earliest departure is at 5:03 AM in the morning, and the last departure from Sidcup is at 10:33 PM which arrives into Heathrow at 4:53 AM. All services require a transfer at London Charing Cross and take an average of 1h 21m. The schedules shown below are for the next available departures.


1h 6m • 2 changes


1h 22m • 2 changes


1h 21m • 2 changes


1h 22m • 2 changes
Want to know about travelling from Sidcup 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 Sidcup to Heathrow. However, there are services departing from Sidcup station and arriving at Heathrow station via London Charing Cross. The journey, including transfers, takes approximately 1h 21m.
Sidcup to Heathrow train services, operated by Southeastern, depart from Sidcup station.
Sidcup to Heathrow train services, operated by Southeastern, arrive at Heathrow Terminals 2 & 3 station.
Book your Sidcup to Heathrow train tickets online with Southeastern, London Underground (Tube) and 2 other operators.
The distance between Sidcup and Heathrow is 38.8 km. The road distance is 47 km.
You can take a train from Sidcup to Heathrow Terminals 2 & 3 via London Charing Cross, Charing Cross station, Paddington station, and London Paddington in around 1h 10m.