The average train between St Pancras International Station and Heathrow Terminal 5 Underground Station takes 40 min and the fastest train takes 35 min. The train runs at least 3 times per hour from St Pancras International Station to Heathrow Terminal 5 Underground Station. 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 Terminal 5 Underground Station. The earliest departure is at 12:46 AM at night, and the last departure from St Pancras International Station is at 5:37 PM which arrives into Heathrow Terminal 5 Underground Station at 6:16 PM. All services require a transfer at Paddington and take an average of 40 min. The schedules shown below are for the next available departures.

4h 13m • 1 change

44 min • 1 change

41 min • 1 change

38 min • 1 change
Want to know about travelling from St Pancras International Station to Heathrow Terminal 5 Underground Station? 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 Terminal 5 Underground Station. However, there are services departing from St Pancras International Station station and arriving at Heathrow Terminal 5 Underground Station station via Paddington. The journey, including transfers, takes approximately 40 min.
St Pancras International Station to Heathrow Terminal 5 Underground Station train services, operated by London Underground (Tube), depart from King's Cross St. Pancras station.
St Pancras International Station to Heathrow Terminal 5 Underground Station train services, operated by London Underground (Tube), arrive at Heathrow Terminal 5 station.
Book your St Pancras International Station to Heathrow Terminal 5 Underground Station train tickets online with London Underground (Tube), Heathrow Express and Elizabeth Line (TfL).
The distance between St Pancras International Station and Heathrow Terminal 5 Underground Station is 26.1 km. The road distance is 30 km.
London Underground (Tube) operates a subway from King's Cross St. Pancras station to Heathrow Terminal 5 station every 10 minutes. Tickets cost £15–60 and the journey takes 1h 1m.