Bus from Harmondsworth to Heathrow Airport
15 direct routes · 5–30 min · first bus 03:52, last bus 02:00 (weekdays); night services LGW and H30 run 03:36–20:10; the A4 runs 24 hours.
Next buses to Heathrow Airport as of 13:08
Scheduled times at the boarding stop in Harmondsworth, from the operators' timetables — they update automatically. Open the stop for live tracking.
Direct routes
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.
The same number runs elsewhere in the UK — see every U3 bus, A4 bus, 350 bus, 423 bus, H2B bus, H5B bus or 7 bus timetable.
Fares from Harmondsworth to Heathrow Airport
- £2.50 adult single on the 7X (First Berkshire & The Thames Valley)
Between the stops in the table above. The operators' own published fares, from the Bus Open Data Service; check with the operator before you travel.
Frequently asked questions
Which bus goes from Harmondsworth to Heathrow Airport?
15 routes run directly from Harmondsworth to Heathrow Airport: the U3 (Metroline Travel), the A4 (First Berkshire & The Thames Valley), the 350 (Transport UK), the 423 (London United), the RA1 (Reading RailAir), the OXF (Oxford Bus Company), the RA2 (First Berkshire & The Thames Valley), the H2B (Diamond Bus South East), the H2B (Hotel Hoppa), the 7X (First Berkshire & The Thames Valley), the H5B (Hotel Hoppa), the H5B (Diamond Bus South East), the LGW (Oxford Bus Company), the H30 (Diamond Bus South East), the 7 (First Berkshire & The Thames Valley). The most frequent is the U3, 91 times each weekday — board at Compass Centre (Stop BA) and get off at Heathrow Central Bus Station (southbound), about 6 minutes.
How long does the bus take from Harmondsworth to Heathrow Airport?
Between 5 minutes on the OXF and 30 on the H2B, depending on which route you catch and on traffic.
What time is the first and last bus from Harmondsworth to Heathrow Airport?
On weekdays the first direct bus leaves around 03:52 and the last around 02:00 — and night services LGW and H30 run 03:36–20:10; the A4 runs 24 hours. Check the route timetables for weekends.
How much is the bus from Harmondsworth to Heathrow Airport?
An adult single from Harmondsworth to Heathrow Airport is £2.50 on the 7X (First Berkshire & The Thames Valley), from Compass Centre (Stop BA) to Heathrow Central Bus Station (Stop 20). Prices are the operators' own published fares on the Bus Open Data Service — check with the operator before you travel. Most single fares in England are capped at £3 until 31 December 2026, then £2 from 1 January 2027.
Same journey, other stops
The same trip, starting or ending at a town centre that has its own page here.