London Bus 331

Bus 331 in London links Ruislip and Belmont Road. The route is 0.0 km long with 50 stops, and the official schedule from Transport for London puts the full trip at about 55 minutes. On a weekday it runs 50 trips in one direction, and 33 on a weekend day.

Route at a glance

Route of Bus 331

Outbound: Ruislip → Belmont Road

This direction has 50 stops. The route passes Brickwall Lane, Manor House Drive (HA6), Mount Vernon Hospital, St Mary’s Road. The full list of stops in order is below.

Inbound: Belmont Road → Ruislip

This direction has 49 stops. The route passes Uxbridge High Street, St Mary’s Road, Ye Olde Greene Manne PH, Links Way. The full list of stops in order is below.

Schedule and frequency

According to the official schedule from Transport for London, the route runs 50 trips in one direction on a weekday, and 33 on a weekend day.

Frequency calculated from the departure table: in the morning peak buses run every 19–22 minutes, most often every 22; midday every 7–20 minutes; in the afternoon peak every 20–30; on weekends every 30 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 331 cost?

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

When do the first and last trips run?

From Ruislip the first is at 06:00 and the last at 23:30. From Belmont Road they are 05:57 and 23:35.

How long does the trip from Ruislip to Belmont Road take?

About 55 minutes end to end — the median of full trips in the official schedule.

How many stops does the route have?

50 outbound and 49 inbound according to the official GTFS feed. The two lists do not match exactly.

Does bus 331 run on weekends?

Yes. On weekends and holidays there are 33 trips in one direction, running from Ruislip between 07:30 and 23:30.

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).