The average train between London Heathrow Airport (LHR) and London St. Pancras Int. takes 35 min and the fastest train takes 30 min. The train runs at least 4 times per hour from London Heathrow Airport (LHR) to London St. Pancras Int.. 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 15 minutes between London Heathrow Airport (LHR) and London St. Pancras Int.. The earliest departure is at 12:13 AM at night, and the last departure from London Heathrow Airport (LHR) is at 5:32 PM which arrives into London St. Pancras Int. at 6:06 PM. All services require a transfer at London Paddington and take an average of 35 min. The schedules shown below are for the next available departures.

4h 48m • 1 change

33 min • 1 change

35 min • 1 change

37 min • 1 change
Want to know about travelling from London Heathrow Airport (LHR) to London St. Pancras Int.? 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 (LHR) to London St. Pancras Int.. However, there are services departing from London Heathrow Airport (LHR) station and arriving at London St. Pancras Int. station via London Paddington. The journey, including transfers, takes approximately 35 min.
London Heathrow Airport (LHR) to London St. Pancras Int. train services, operated by Elizabeth Line (TfL), depart from Heathrow Terminals 2 & 3 station.
London Heathrow Airport (LHR) to London St. Pancras Int. train services, operated by Elizabeth Line (TfL), arrive at King's Cross St. Pancras station.
Book your London Heathrow Airport (LHR) to London St. Pancras Int. train tickets online with Elizabeth Line (TfL), London Underground (Tube) and Heathrow Express.
The distance between London Heathrow Airport (LHR) and London St. Pancras Int. is 23.7 km. The road distance is 27 km.
London Underground (Tube) operates a subway from Heathrow Terminals 2 & 3 station to King's Cross St. Pancras station every 5 minutes. Tickets cost £14–55 and the journey takes 57 min.