Bus from Slough to Heathrow Airport
7 direct routes · 21–80 min · first bus 05:07, last bus 21:11 (weekdays); night services 7 and 5 run 03:20–23:33; the A4 and 703 run 24 hours.
Next buses to Heathrow Airport as of 08:58
Scheduled times at the boarding stop in Slough, from the operators' timetables — they update automatically. Open the stop for live tracking.
Direct routes
| Route | Operator | Journey time | Weekday journeys | Days | First | Last | Board at | Get off at | Calls at |
|---|---|---|---|---|---|---|---|---|---|
| A4 | First Berkshire & The Thames Valley | ~29 min | 69 | Sat 46 · Sun 46 | 24 hours | Sorting Office (Stop J) | Heathrow Central Bus Station (Stop 20) | Langley, Brands Hill & Colnbrook | |
| 703 | Thames Valley Buses | ~25 min | 43 | Sat 43 · Sun 43 | 24 hours | Sorting Office (Stop J) | Heathrow Terminal 5 (Stop 7) | Langley, Brands Hill & Colnbrook | |
| 7 | First Berkshire & The Thames Valley | ~40 min | 41 | Sat 45 · Sun 37 | 03:22 | 23:33 | Sorting Office (Stop J) | Heathrow Terminal 5 (Stop 8) | Langley, Brands Hill & Colnbrook |
| 8 | First Berkshire & The Thames Valley | ~80 min | 29 | Sat 27 · Sun 22 | 05:07 | 19:01 | Landmark Place (Stop S) | Heathrow Terminal 5 (Stop 8) | Windsor, Old Windsor, Runnymede, Englefield Green, Egham, Staines & 1 more |
| 7X | First Berkshire & The Thames Valley | ~36 min | 23 | weekdays only | 06:27 | 17:48 | Sorting Office (Stop J) | Heathrow Central Bus Station (Stop 20) | Langley, Brands Hill & Colnbrook |
| 5 | Thames Valley Buses | ~26 min | 20 | Sat 20 · Sun 20 | 03:20 | 22:30 | Sorting Office (Stop J) | Heathrow Terminal 5 (Stop 8) | Datchet, Horton, Poyle & Colnbrook |
| 704 | Thames Valley Buses | ~21 min | 15 | Sat 15 · Sun 10 | 06:14 | 21:11 | Sorting Office (Stop J) | Heathrow Terminal 5 (Stop 7) | Langley, Brands Hill & Colnbrook |
Times are for the first boarding point in Slough 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 A4 bus, 703 bus, 7 bus, 8 bus, 5 bus or 704 bus timetable.
Fares from Slough to Heathrow Airport
- £2.50 adult single on the A4 (First Berkshire & The Thames Valley)
- £3.00 adult single, £6.00 return on the 703, 5 and 704 (Thames Valley Buses)
- £3.00 adult single on the 7, 8 and 7X (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 Slough to Heathrow Airport?
7 routes run directly from Slough to Heathrow Airport: the A4 (First Berkshire & The Thames Valley), the 703 (Thames Valley Buses), the 7 (First Berkshire & The Thames Valley), the 8 (First Berkshire & The Thames Valley), the 7X (First Berkshire & The Thames Valley), the 5 (Thames Valley Buses), the 704 (Thames Valley Buses). The most frequent is the A4, 69 times each weekday — board at Sorting Office (Stop J) and get off at Heathrow Central Bus Station (Stop 20), about 29 minutes.
How long does the bus take from Slough to Heathrow Airport?
Between 21 minutes on the 704 and 80 on the 8, depending on which route you catch and on traffic. It calls at Langley, Brands Hill, Colnbrook on the way.
What time is the first and last bus from Slough to Heathrow Airport?
On weekdays the first direct bus leaves around 05:07 and the last around 21:11 — and night services 7 and 5 run 03:20–23:33; the A4 and 703 run 24 hours. Check the route timetables for weekends.
How much is the bus from Slough to Heathrow Airport?
Adult singles from Slough to Heathrow Airport: £2.50 on the A4 (First Berkshire & The Thames Valley); £3.00 on the 703, 5 and 704 (Thames Valley Buses); £3.00 on the 7, 8 and 7X (First Berkshire & The Thames Valley). 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.
Same journey, other stops
The same trip, starting or ending at a town centre that has its own page here.