| Number | Service (From/To) | General Details | Operator | | 7 | Britwell to Heathrow Airport | Only this direction, Mon to Sun (4 trips) | Beeline |
| Via Slough (Trading Estate)-Baylis-Elliman-Slough-Bus Station ..... more |
| | Britwell to Heathrow Airport (Terminal 5) | Only this direction, Mon to Sat (45 trips) Sun (35 trips) | " |
| Via Slough (Trading Estate)-Baylis-Elliman-Slough-Bus Station ..... more |
| | Heathrow Airport to Britwell | Early Mornings, this way only, Mon to Sun (4 trips) | " |
| Via Sipson-London (Compass Centre)-Harmondsworth-Longford ..... more |
| | Heathrow Airport to Slough | Only this direction, Mon to Sat (3 trips) Sun (2 trips) | " |
| Via Sipson-London (Compass Centre)-Harmondsworth-Longford ..... more |
| | Heathrow Airport (Terminal 5) to Britwell | Only this direction, Mon to Fri (45 trips) Sat (every 20 mins) Sun (every 30 mins) | " |
| Via Colnbrook-Brands Hill-Langley (Axis Park)-Langley (Slough Grammar School) ..... more |
| | Slough to Heathrow Airport | Early Mornings, this way only, Mon to Sun (3 trips) | " |
| Via Slough-Langley-Axis Park-Brands Hill-Colnbrook-Heathrow Airport (Terminal 5) ..... more |
| 8 | Heathrow Airport to Slough | Early Mornings, this way only, Mon to Fri (2 trips) | " |
| Via Sipson-London (Compass Centre)-Longford-Heathrow Airport (Terminal 5) ..... more |
| | Heathrow Airport to Slough | Early Mornings, this way only, Sat (2 trips) Sun (2 trips) | " |
| Via London (Compass Centre)-Heathrow Airport (Terminal 5) ..... more |
| | Slough to Heathrow Airport | Evenings only, one way, Mon to Sun (2 trips) | " |
| Via Slough-Chalvey-Windsor-Princess Margaret Hospital-Windsor (King Edward VII Hospital) ..... more |
| | Slough to Heathrow Airport (Terminal 5) | Mon to Fri (31 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| Via Slough-Chalvey-Windsor-Princess Margaret Hospital-Windsor (King Edward VII Hospital) ..... more |
| 10 | Dedworth to Heathrow Airport (Terminal 5) | Only this direction, Mon to Fri (15 trips) Sat (every 60 mins) Sun (4 trips) | Courtney |
| Via Clewer-Windsor-Windsor and Eton Riverside Rail Station ..... more |
| | Dedworth to Heathrow Airport (Terminal 5) | Details Unknown | Reading Buses |
| | Heathrow Airport (Terminal 5) to Dedworth | Only this direction, Mon to Fri (13 trips) Sat (14 trips) Sun (2 trips) | Courtney |
| Via Longford-Colnbrook-Poyle (Heathrow Airport Terminal 5 Hilton) ..... more |
| 10AThames Valley Buses | Heathrow Airport (Terminal 5) to Slough | Only this direction, Mon to Sat (4 trips) Sun (6 trips) | " |
| Via Longford-Colnbrook-Poyle (Heathrow Airport Terminal 5 Hilton) ..... more |
| | Slough to Heathrow Airport (Terminal 5) | Only this direction, Mon to Sat (1 trip) Sun (5 trips) | " |
| Via Slough-Upton-Datchet-Sunnymeads-Wraysbury-Rail Station ..... more |
| 10SThames Valley Buses | Heathrow Airport (Terminal 5) to Slough | Only this direction, Mon to Fri (1 trip) | " |
| Via Longford-Colnbrook-Poyle (Heathrow Airport Terminal 5 Hilton) ..... more |
| | Slough to Heathrow Airport (Terminal 5) | Only this direction, Mon to Fri (1 trip) | " |
| Via Slough-Langley-Datchet-Sunnymeads-Wraysbury-Rail Station ..... more |
| 350 | Hayes to Heathrow Airport (Terminal 5) | Only this direction, Mon to Fri (59 trips) Sat (every 20 mins) Sun (every 20 mins) | Abellio London |
| Via Hayes (near Hillingdon)-London (Stockley Park)-West Drayton ..... more |
| | Heathrow Airport (Terminal 5) to Hayes (near Hillingdon) | Only this direction, Mon to Fri (59 trips) Sat (every 20 mins) Sun (every 20 mins) | " |
| Via Longford-Harmondsworth-West Drayton-Yiewsley-West Drayton ..... more |
| 423 | Heathrow Airport (Terminal 5) to Hounslow | Only this direction, Mon to Fri (58 trips) Sat (every 19 mins) Sun (every 30 mins) | London United |
| Via Longford-Heathrow Airport (Thistle Hotel)-Harmondsworth ..... more |
| | Hounslow to Heathrow Airport (Terminal 5) | Only this direction, Mon to Fri (58 trips) Sat (every 19 mins) Sun (every 29 mins) | " |
| Via Hounslow West-Harlington-Hatton-Hatton Cross-Heathrow Airport Jurys Inn ..... more |
| 442 | Staines to Heathrow Airport (Terminal 5) | Mon to Fri (14 trips, 15 back) Sat (15 trips) Sun (15 trips) | Carlone |
| Via Staines-Birch Green-Staines-Ashford-Hospital-Stanwell ..... more |
| | Staines to Heathrow Airport (Terminal 5) | Only this direction, WedFri (1 trip) | " |
| Via Staines (Rail Station)-Staines (Birch Green)-Staines ..... more |
| 459 | Heathrow Airport (Terminal 5) Circular | Only this direction, Mon to Fri (18 trips) Sat (every 60 mins) Sun (every 60 mins) | Courtney |
| Via Longford-Colnbrook-Brands Hill-Langley-Iver (Richings Park) ..... more |
| | Heathrow Airport (Terminal 5) to Langley | Evenings only, one way, Mon to Sun (1 trip) | " |
| Via Longford-Colnbrook-Brands Hill-Langley-Iver (Richings Park) ..... more |
| | Iver (Richings Park) to Heathrow Airport (Terminal 5) | Evenings only, one way, Mon to Sun (1 trip) | " |
| Via Iver-Shreding Green-Langley-Brands Hill-Colnbrook-Longford |
| 482 | Heathrow Airport (Terminal 5) to Southall | Only this direction, Mon to Fri (56 trips) Sat (every 20 mins) Sun (every 25 mins) | Abellio London |
| Via Heathrow Airport (Cargo Area)-Heathrow Airport (Terminal 4) ..... more |
| | Southall to Heathrow Airport (Terminal 5) | Only this direction, Mon to Fri (56 trips) Sat (every 20 mins) Sun (every 25 mins) | " |
| Via Southall (Rail Station)-Southall (Norwood Green)-Cranford ..... more |
| 490 | North Sheen to Heathrow Airport (Terminal 5) | Mon (4 trips, 2 back) Sun (every 19 mins) | " |
| Via Richmond-Bus Station-St Margarets-Twickenham-London (Strawberry Hill) ..... more |
| 703 | Bracknell to Heathrow Airport (Terminal 5) | Only this direction, Mon to Sun (17 trips) | Reading Buses |
| Via Bracknell-Bullbrook-Martins Heron-North Ascot-Ascot (Licensed Victuallers School) ..... more |
| | Bracknell to Heathrow Airport (Terminal 5) | Only this direction, Mon to Sun (9 trips) | " |
| Via Bracknell-Bullbrook-Martins Heron-North Ascot-Ascot (Licensed Victuallers School) ..... more |
| | Heathrow Airport (Terminal 5) to Bracknell | Only this direction, Mon to Sun (10 trips) | " |
| Via Colnbrook-Brands Hill-Langley (Slough Grammar School) ..... more |
| | Heathrow Airport (Terminal 5) to Bracknell | Only this direction, Mon to Sun (18 trips) | " |
| Via Colnbrook-Brands Hill-Langley (Slough Grammar School) ..... more |
| | Slough to Heathrow Airport (Terminal 5) | Early Mornings, this way only, Mon to Sun (2 trips) | " |
| Via Slough-Langley-Brands Hill-Colnbrook |
| H 5 | Hatton Cross to Heathrow Airport (Terminal 5) | Early Mornings, this way only, Mon to Sun (1 trip) | National Express |
| Via Hatton-Heathrow Airport (Terminal 4) |
| | Heathrow Airport (Terminal 5) Circular | Only this direction, Mon to Sun (every 30 mins) | " |
| Via Longford-Sipson-Hatton Cross-Hatton-Heathrow Airport (Terminal 4) |
| H51 | Sipson to Heathrow Airport (Terminal 5) | Details Unknown | " |
| H55 | Heathrow Airport (Terminal 5 Circular) | Details Unknown | Hallmark Connections |
| H57X | Heathrow Airport (Terminal 5 Circular) | Mon to Fri (?) | " |
| N 9 | Aldwych to Heathrow Airport (Terminal 5) | Early Mornings, this way only, Mon to Sun (17 trips) | London United |
| Via Soho-London (St James)-London (Charing Cross)-London (Trafalgar Square) ..... more |
| | Heathrow Airport (Terminal 5) to Aldwych | Evenings only, one way, Mon to Sun (16 trips) | " |
| Via Heathrow Airport (Central Bus Station)-Sipson-Harlington ..... more |
| | Hounslow to Heathrow Airport (Terminal 5) | Evenings only, one way, Mon to Sun (2 trips) | " |
| Via Hounslow-Hounslow West-Cranford-Heathrow Ramada Jarvis Hotel ..... more |
| RA1Railair | Heathrow Airport to Reading | Only this direction, Mon to Sun (8 trips) | Beeline |
| Via London (Compass Centre)-Heathrow Airport (Terminal 5) |
| | Reading to Heathrow Airport | Only this direction, Mon to Sun (8 trips) | " |
| Via Heathrow Airport (Terminal 5)-Sipson-Heathrow Airport (Terminals 1 ..... more |
| RA2Railair | Guildford to Heathrow Airport | Only this direction, Mon to Fri (18 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| Via Dennisville-Wisley (Royal Horticultural Society Gardens) ..... more |
| | Heathrow Airport to Guildford | Only this direction, Mon to Fri (18 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| Via London (Compass Centre)-Heathrow Airport (Terminal 5) ..... more |
| X442 | Staines to Heathrow Airport (Terminal 5) | Details Unknown | Carlone |