The average bus between St Pancras and Heathrow takes 1h 23m and the fastest bus takes 53 min. The bus runs at least 2 times per hour from St Pancras 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.
Buses run every 30 minutes between St Pancras and Heathrow. The earliest departure is at 4:42 AM at night, and the last departure from St Pancras is at 10:53 PM which arrives into Heathrow at 11:58 PM. All services require a transfer, and take on average 1h 23m. The schedules shown below are for the next available departures.

1h 7m • 1 change

1h 1m • 1 change

58 min • 1 change

53 min • 1 change
Want to know about travelling from St Pancras 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 bus from St Pancras to Heathrow. However, there are services departing from St Pancras station and arriving at Heathrow station via Hammersmith Bus Station station. The journey, including transfers, takes approximately 1h 23m.
St Pancras to Heathrow bus services, operated by Abellio London, depart from Warren Street Station.
St Pancras to Heathrow bus services, operated by Abellio London, arrive at Heathrow Terminal 2 station.
The distance between St Pancras and Heathrow is 23.3 km. The road distance is 29 km.
You can take a bus from Warren Street Station to Heathrow Terminal 2 via Hammersmith Bus Station in around 1h 26m.