The average bus between Kings Cross and Heathrow Terminals 4 takes 1h 53m and the fastest bus takes 1h 41m. There is a bus service every few hours from Kings Cross to Heathrow Terminals 4. 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 hourly between Kings Cross and Heathrow Terminals 4. The earliest departure is at 12:05 AM at night, and the last departure from Kings Cross is at 11:53 PM which arrives into Heathrow Terminals 4 at 1:45 AM. All services require a transfer at Trafalgar Square/Charing Cross and take an average of 1h 53m. The schedules shown below are for the next available departures.

1h 45m • 1 change

1h 54m • 1 change

1h 58m • 1 change

1h 47m • 1 change

1h 53m • 1 change

2h 16m • 1 change

1h 57m • 1 change

1h 57m • 1 change

1h 54m • 1 change

1h 58m • 1 change

1h 52m • 1 change

1h 52m • 1 change

1h 51m • 1 change

1h 51m • 1 change

1h 59m • 1 change

1h 57m • 1 change
Want to know about travelling from Kings Cross to Heathrow Terminals 4? 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 Kings Cross to Heathrow Terminals 4. However, there are services departing from Kings Cross station and arriving at Heathrow Terminals 4 station via Heathrow Terminal 5. The journey, including transfers, takes approximately 1h 53m.
Kings Cross to Heathrow Terminals 4 bus services, operated by Go Ahead London, depart from Trafalgar Square station.
Kings Cross to Heathrow Terminals 4 bus services, operated by Go Ahead London, arrive at Heathrow Terminal 5 station.
The distance between Kings Cross and Heathrow Terminals 4 is 25.3 km. The road distance is 38 km.
Metroline Travel operates a bus from Trafalgar Square to Heathrow Terminal 5 hourly. Tickets cost £2 and the journey takes 1h 26m.