The average train between Heathrow Terminal 5 and British Library takes 42 min and the fastest train takes 36 min. The train runs at least 4 times per hour from Heathrow Terminal 5 to British Library. 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 Heathrow Terminal 5 and British Library. The earliest departure is at 12:07 AM at night, and the last departure from Heathrow Terminal 5 is at 11:57 PM which arrives into British Library at 12:38 AM. All services require a transfer at London Paddington and take an average of 42 min. The schedules shown below are for the next available departures.

41 min • 1 change
Arrives next day

42 min • 1 change
Arrives next day

42 min • 1 change
Arrives next day

41 min • 1 change

4h 55m • 1 change

39 min • 1 change

41 min • 1 change

43 min • 1 change
Want to know about travelling from Heathrow Terminal 5 to British Library? 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 Terminal 5 to British Library. However, there are services departing from Heathrow Terminal 5 station and arriving at British Library station via London Paddington. The journey, including transfers, takes approximately 42 min.
Heathrow Terminal 5 to British Library train services, operated by Heathrow Express, depart from Heathrow Terminal 5 station.
Heathrow Terminal 5 to British Library train services, operated by Heathrow Express, arrive at King's Cross St. Pancras station.
Book your Heathrow Terminal 5 to British Library train tickets online with Heathrow Express, London Underground (Tube) and Elizabeth Line (TfL).
The distance between Heathrow Terminal 5 and British Library is 25.9 km. The road distance is 31 km.
London Underground (Tube) operates a subway from Heathrow Terminal 5 station to King's Cross St. Pancras station every 15 minutes. Tickets cost £22–70 and the journey takes 59 min.