Bus from Harmondsworth to Sipson
9 direct routes · 2–18 min · first bus 03:52, last bus 00:58 (weekdays); the A4 runs 24 hours.
Next buses to Sipson as of 05:58
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, 81 bus, A4 bus, 423 bus, H2B bus or H5B bus timetable.
Fares from Harmondsworth to Sipson
- £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 Sipson?
9 routes run directly from Harmondsworth to Sipson: the U3 (Metroline Travel), the 81 (Metroline Travel), the A4 (First Berkshire & The Thames Valley), the 423 (London United), 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 most frequent is the U3, 91 times each weekday — board at Compass Centre (Stop BA) and get off at Sipson Way / Blunts Avenue (Stop BC), about 2 minutes.
How long does the bus take from Harmondsworth to Sipson?
Between 2 minutes on the U3 and 18 on the H2B, depending on which route you catch and on traffic.
What time is the first and last bus from Harmondsworth to Sipson?
On weekdays the first direct bus leaves around 03:52 and the last around 00:58 — and the A4 runs 24 hours. Check the route timetables for weekends.
How much is the bus from Harmondsworth to Sipson?
An adult single from Harmondsworth to Sipson is £2.50 on the 7X (First Berkshire & The Thames Valley), from Compass Centre (Stop BA) to Nene Road Roundabout (Stop BN). 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.