Bus from Sipson to Harmondsworth
11 direct routes · 1–21 min · first bus 03:52, last bus 00:38 (weekdays); night service H30 runs 03:56–04:56; the A4 runs 24 hours.
Next buses to Harmondsworth as of 08:25
Scheduled times at the boarding stop in Sipson, from the operators' timetables — they update automatically. Open the stop for live tracking.
Direct routes
Times are for the first boarding point in Sipson 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, H5B bus or 7 bus timetable.
Fares from Sipson to Harmondsworth
- £2.50 adult single on the A4 (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 Sipson to Harmondsworth?
11 routes run directly from Sipson to Harmondsworth: 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 H30 (Diamond Bus South East), the 7 (First Berkshire & The Thames Valley). The most frequent is the U3, 92 times each weekday — board at Newport Road (Stop BS) and get off at Compass Centre (Stop BW), about 2 minutes.
How long does the bus take from Sipson to Harmondsworth?
Between 1 minutes on the 81 and 21 on the H5B, depending on which route you catch and on traffic.
What time is the first and last bus from Sipson to Harmondsworth?
On weekdays the first direct bus leaves around 03:52 and the last around 00:38 — and night service H30 runs 03:56–04:56; the A4 runs 24 hours. Check the route timetables for weekends.
How much is the bus from Sipson to Harmondsworth?
An adult single from Sipson to Harmondsworth is £2.50 on the A4 (First Berkshire & The Thames Valley), from Newport Road (Stop BS) to Compass Centre (Stop BW). 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.