🚌 Bus from Heathrow Airport to Slough
6 direct routes · about 23 min · first bus 03:05, last bus 00:05 (weekdays).
Direct routes
| Route | Operator | Journey time | Weekday journeys | First | Last | Board at |
|---|---|---|---|---|---|---|
| A4 | First Berkshire & The Thames Valley | ~23 min | 150 | 03:05 | 00:05 | Heathrow Central Bus Station (Stop 20) |
| 703 | Thames Valley Buses | ~29 min | 129 | 00:30 | 23:30 | Heathrow Terminal 5 (Stop 7) |
| 8 | First Berkshire & The Thames Valley | ~80 min | 72 | 06:20 | 20:22 | Heathrow Terminal 5 (Stop 8) |
| 5 | Thames Valley Buses | ~30 min | 57 | 04:55 | 23:15 | Heathrow Terminal 5 (Stop 8) |
| 704 | Thames Valley Buses | ~26 min | 40 | 06:40 | 21:40 | Heathrow Terminal 5 (Stop 7) |
| 7 | First Berkshire & The Thames Valley | ~47 min | 2 | 04:20 | 04:20 | Heathrow Central Bus Station (Stop 20) |
Times are for the first boarding point in Heathrow Airport on each route's weekday timetable — open the route for the full timetable, live map and every stop.
Frequently asked questions
Which bus goes from Heathrow Airport to Slough?
6 routes run directly from Heathrow Airport to Slough: the A4 (First Berkshire & The Thames Valley), the 703 (Thames Valley Buses), the 8 (First Berkshire & The Thames Valley), the 5 (Thames Valley Buses), the 704 (Thames Valley Buses), the 7 (First Berkshire & The Thames Valley).
How long does the bus take from Heathrow Airport to Slough?
Around 23 minutes on the A4, depending on time of day and traffic.
What time is the first and last bus from Heathrow Airport to Slough?
On weekdays the first direct bus (the A4) leaves around 03:05 and the last around 00:05. Check the route timetable for weekends.
How much is the bus from Heathrow Airport to Slough?
Most single fares in England are capped at £3 until 31 December 2026, then £2 from 1 January 2027.