The average bus between Heathrow and King Cross takes 8h 50m and the fastest bus takes 6h 33m. The bus service runs several times per day from Heathrow to King Cross. 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 4 times a day between Heathrow and King Cross. The earliest departure is at 12:40 AM at night, and the last departure from Heathrow is at 4:00 PM which arrives into King Cross at 8:31 AM. All services require a transfer at Leicester and take an average of 8h 50m. The schedules shown below are for the next available departures.



7h 47m • 3 changes



6h 59m • 3 changes



7h 59m • 3 changes
Arrives next day



13h 25m • 3 changes



7h 47m • 3 changes



6h 59m • 3 changes



7h 59m • 3 changes
Arrives next day



13h 25m • 3 changes



7h 47m • 3 changes



6h 59m • 3 changes



7h 59m • 3 changes
Arrives next day



8h 3m • 3 changes
Want to know about travelling from Heathrow to King Cross? 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 Heathrow to King Cross. However, there are services departing from Heathrow station and arriving at King Cross station via Leicester. The journey, including transfers, takes approximately 8h 50m.
Heathrow to King Cross bus services, operated by FlixBus, depart from London Heathrow Airport station.
Heathrow to King Cross bus services, operated by FlixBus, arrive at Halifax Bus Station.
The distance between Heathrow and King Cross is 267.9 km. The road distance is 355 km.
You can take a bus from London Heathrow Airport to King Cross via Leicester, Leeds City Bus Station, and Halifax Bus Station in around 7h 20m.