Bus SL9 in London links Heathrow Central Bus Station and Harrow Bus Station. The route is 0.0 km long with 13 stops, and the official schedule from Transport for London puts the full trip at about 66 minutes. On a weekday it runs 75 trips in one direction, and 59 on a weekend day.
Route at a glance
| Mode | Bus |
|---|---|
| Route number | SL9 |
| City | London |
| Operator | Transport for London (TfL) |
| Start → end | Heathrow Central Bus Station → Harrow Bus Station |
| End → start | Harrow Bus Station → Heathrow Central Bus Station |
| Route length | 0.0 km / 0.0 km in the opposite direction |
| Number of stops | 13 / 13 in the opposite direction |
| Travel time | about 66 minutes |
| Trips per day | 75 on weekdays, 59 on weekends one way (72 on weekdays → Heathrow Central Bus Station) |
| Frequency | peak 12–14 · midday 13–14 · weekend 17–22 |
| First / last trip from «Heathrow Central Bus Station» | 05:55 / 23:40 |
| First / last trip from «Harrow Bus Station» | 05:40 / 22:50 |
| Fare | 1.75 £ (fare in effect since 5 July 2026) |
| Updated | August 22, 2026 |
Route of Bus SL9
Outbound: Heathrow Central Bus Station → Harrow Bus Station
This direction has 13 stops. The route passes Harlington Corner, Hayes & Harlington Station, Hayes / The Grapes, Yeading / Tangmere Gardens. The full list of stops in order is below.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Heathrow Central Bus Station | 0.0 km | Terminus |
| 2 | Harlington Corner | 0.0 km | |
| 3 | Harlington High Street / Sipson Lane | 0.0 km | |
| 4 | Hayes & Harlington Station | 0.0 km | |
| 5 | Hayes Town Centre | 0.0 km | |
| 6 | Hayes / The Grapes | 0.0 km | |
| 7 | Yeading Lane / Willow Tree Lane | 0.0 km | |
| 8 | Yeading / Tangmere Gardens | 0.0 km | |
| 9 | Yeading / White Hart Roundabout | 0.0 km | |
| 10 | Northolt Station | 0.0 km | |
| 11 | Northolt Park Station | 0.0 km | |
| 12 | South Harrow Station | 0.0 km | |
| 13 | Harrow Bus Station | 0.0 km | Terminus |
Inbound: Harrow Bus Station → Heathrow Central Bus Station
This direction has 13 stops. The route passes South Harrow Station, Northolt Station, Yeading / Dilston Close, Hayes / The Grapes. The full list of stops in order is below.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Harrow Bus Station | 0.0 km | Terminus |
| 2 | South Harrow Station | 0.0 km | |
| 3 | Northolt Park Station | 0.0 km | |
| 4 | Northolt Station | 0.0 km | |
| 5 | Yeading / White Hart Roundabout | 0.0 km | |
| 6 | Yeading / Dilston Close | 0.0 km | |
| 7 | Yeading Lane / Willow Tree Lane | 0.0 km | |
| 8 | Hayes / The Grapes | 0.0 km | |
| 9 | Hayes Town Centre | 0.0 km | |
| 10 | Hayes & Harlington Station | 0.0 km | |
| 11 | Harlington High Street / Sipson Lane | 0.0 km | |
| 12 | Harlington Corner | 0.0 km | |
| 13 | Heathrow Central Bus Station | 0.0 km | Terminus |
Schedule and frequency
According to the official schedule from Transport for London, the route runs 75 trips in one direction on a weekday, and 59 on a weekend day.
| Direction | Weekdays | Weekends and holidays |
|---|---|---|
| From «Heathrow Central Bus Station» | 05:55 — 23:40 | 05:55 — 23:40 |
| From «Harrow Bus Station» | 05:40 — 22:50 | 05:40 — 22:50 |
Frequency calculated from the departure table: in the morning peak buses run every 12–14 minutes, most often every 14; midday every 13–14 minutes; in the afternoon peak every 14; on weekends every 17–22 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 SL9 cost?
1.75 £ for a single ride — fare in effect since 5 July 2026.
When do the first and last trips run?
From Heathrow Central Bus Station the first is at 05:55 and the last at 23:40. From Harrow Bus Station they are 05:40 and 22:50.
How long does the trip from Heathrow Central Bus Station to Harrow Bus Station take?
About 66 minutes end to end — the median of full trips in the official schedule.
How many stops does the route have?
13 outbound and 13 inbound according to the official GTFS feed. The two lists do not match exactly.
Does bus SL9 run on weekends?
Yes. On weekends and holidays there are 59 trips in one direction, running from Heathrow Central Bus Station between 05:55 and 23:40.
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).