London Bus U3

Bus U3 in London links Uxbridge Station and Heathrow Central Bus Station. The route is 0.0 km long with 38 stops, and the official schedule from Transport for London puts the full trip at about 51 minutes. On a weekday it runs 91 trips in one direction, and 58 on a weekend day.

Route at a glance

Route of Bus U3

Outbound: Uxbridge Station → Heathrow Central Bus Station

This direction has 38 stops. The route passes Uxbridge High Street, Pield Heath, West Drayton Station, Berberis Walk. The full list of stops in order is below.

Inbound: Heathrow Central Bus Station → Uxbridge Station

This direction has 37 stops. The route passes Newport Road, Berberis Walk, Ferrers Avenue, Hillingdon Hospital. The full list of stops in order is below.

Schedule and frequency

According to the official schedule from Transport for London, the route runs 91 trips in one direction on a weekday, and 58 on a weekend day.

Frequency calculated from the departure table: in the morning peak buses run every 10–13 minutes, most often every 12; midday every 10–12 minutes; in the afternoon peak every 12; on weekends every 19–21 minutes.

Fare and payment

A single ride costs 1.75 £ — fare in effect since 5 July 2026. The same fare applies to buses in London.

A single bus or tram journey costs £1.75. The Hopper fare lets you make unlimited bus and tram journeys within one hour of your first tap at no extra charge. Daily spending is capped at £5.25; a 7 Day Bus & Tram Pass costs £24.70. London buses do not accept cash — pay by contactless or Oyster. Transfers within 60 minutes are free. Within the Hopper hour the transfers are free; you must tap the same card or device.

Frequently asked questions

How much does a ride on bus U3 cost?

1.75 £ for a single ride — fare in effect since 5 July 2026.

When do the first and last trips run?

From Uxbridge Station the first is at 03:20 and the last at 23:50. From Heathrow Central Bus Station they are 00:00 and 23:40.

How long does the trip from Uxbridge Station to Heathrow Central Bus Station take?

About 51 minutes end to end — the median of full trips in the official schedule.

How many stops does the route have?

38 outbound and 37 inbound according to the official GTFS feed. The two lists do not match exactly.

Does bus U3 run on weekends?

Yes. On weekends and holidays there are 58 trips in one direction, running from Uxbridge Station between 03:20 and 23:50.

Every route number with its termini, operating hours and travel time is collected in the London buses overview.

Data current as of August 22, 2026. Schedule and termini — Transport for London (TfL). Fares — Mayor of London, MD3517 July 2026 fare changes (Direction to TfL). Stop list, schedule and route geometry come from the official GTFS feed (Bus Open Data Service (BODS), version 20260822_025337).