The average train between St Pancras International Station and Heathrow takes 33 min and the fastest train takes 28 min. The train runs at least 3 times per hour from St Pancras International Station 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 20 minutes between St Pancras International Station and Heathrow. The earliest departure is at 8:50 AM in the morning, and the last departure from St Pancras International Station is at 9:25 PM which arrives into Heathrow at 9:54 PM. All services require a transfer at Paddington and take an average of 33 min. The schedules shown below are for the next available departures.

34 min • 1 change

34 min • 1 change

28 min • 1 change

28 min • 1 change
Want to know about travelling from St Pancras International Station 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 St Pancras International Station to Heathrow. However, there are services departing from St Pancras International Station station and arriving at Heathrow station via Paddington. The journey, including transfers, takes approximately 33 min.
St Pancras International Station to Heathrow train services, operated by London Underground (Tube), depart from King's Cross St. Pancras station.
St Pancras International Station to Heathrow train services, operated by London Underground (Tube), arrive at Heathrow Terminals 2 & 3 station.
Book your St Pancras International Station to Heathrow train tickets online with London Underground (Tube) and Heathrow Express.
The distance between St Pancras International Station and Heathrow is 23.7 km. The road distance is 27 km.
London Underground (Tube) operates a subway from King's Cross St. Pancras station to Heathrow Terminals 1-2-3 station every 10 minutes. Tickets cost £15–60 and the journey takes 56 min.