🚌 Bus from Harmondsworth to Heathrow Airport Terminal 4
1 direct route · about 18 min · first bus 03:59, last bus 04:59 (weekdays).
💷 London buses have a flat £1.75 fare with contactless or Oyster — the Hopper fare covers unlimited bus and tram changes within an hour, with daily caps. Cash isn't accepted. Who travels free →
Direct routes
| Route | Operator | Journey time | Weekday journeys | First | Last | Board at |
|---|---|---|---|---|---|---|
| H30 | Diamond Bus South East | ~18 min | 4 | 03:59 | 04:59 | Speedbird Way (->S) |
Times are for the first boarding point in Harmondsworth on each route's weekday timetable — open the route for the full timetable, live map and every stop.
Frequently asked questions
Which bus goes from Harmondsworth to Heathrow Airport Terminal 4?
The H30 (Diamond Bus South East) runs directly from Harmondsworth to Heathrow Airport Terminal 4.
How long does the bus take from Harmondsworth to Heathrow Airport Terminal 4?
Around 18 minutes on the H30, depending on time of day and traffic.
What time is the first and last bus from Harmondsworth to Heathrow Airport Terminal 4?
On weekdays the first direct bus (the H30) leaves around 03:59 and the last around 04:59. Check the route timetable for weekends.
How much is the bus from Harmondsworth to Heathrow Airport Terminal 4?
London buses have a flat £1.75 fare with contactless or Oyster — the Hopper fare covers unlimited bus and tram changes within an hour, with daily caps. Cash isn't accepted.