| Number | Service (From/To) | General Details | Operator | | 4 | Cippenham to Heathrow Airport | Early Mornings, this way only, Mon to Fri (6 trips) Sat (1 trip) Sun (1 trip) | Beeline |
| | Heathrow Airport to Cippenham | Only this direction, Mon to Fri (3 trips) Sat (1 trip) Sun (1 trip) | " |
| | Heathrow Airport to Maidenhead | Only this direction, Mon to Fri (26 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| | Heathrow Airport to Slough | Evenings only, one way, Mon to Fri (5 trips) Sat (4 trips) Sun (4 trips) | " |
| | Maidenhead to Heathrow Airport | Only this direction, Mon to Fri (24 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| | Slough to Heathrow Airport | Evenings only, one way, Mon to Sun (4 trips) | " |
| 7 | Britwell to Heathrow Airport | Only this direction, Mon to Sun (4 trips) | " |
| | Heathrow Airport to Britwell | Early Mornings, this way only, Mon to Sun (4 trips) | " |
| | Heathrow Airport to Slough | Only this direction, Mon to Sat (3 trips) Sun (2 trips) | " |
| | Slough to Heathrow Airport | Early Mornings, this way only, Mon to Sun (3 trips) | " |
| 8 | Heathrow Airport to Slough | Early Mornings, this way only, Mon to Fri (2 trips) | " |
| | Heathrow Airport to Slough | Early Mornings, this way only, Sat (2 trips) Sun (2 trips) | " |
| | Slough to Heathrow Airport | Evenings only, one way, Mon to Sun (2 trips) | " |
| 105 | Greenford to Heathrow Airport | Mon to Fri (?) Sat (every 12 mins) Sun (every 15 mins) | London United |
| 111 | Heathrow Airport to Kingston Upon Thames | MonTueWedThu (every 10 mins) Sat (every 9 mins) Sun (every 12 mins) | " |
| | London (Hampton Hill Hampton School) to Heathrow Airport | Only this direction, MonTueWedThu (1 trip) | " |
| 278 | Heathrow Airport to Ruislip | Mon to Fri (72 trips, 73 back) Sat (every 13 mins) Sun (every 20 mins) | Abellio London |
| 285 | Heathrow Airport to Kingston Upon Thames | Only this direction, Mon to Fri (95 trips) Sat (every 13 mins) Sun (every 13 mins) | " |
| | Kingston Upon Thames to Heathrow Airport | Only this direction, Mon to Fri (94 trips) Sat (every 13 mins) Sun (every 13 mins) | " |
| 482 | Heathrow Airport (Terminal 5) to Southall | Only this direction, Mon to Fri (56 trips) Sat (every 20 mins) Sun (every 25 mins) | " |
| | Southall to Heathrow Airport (Terminal 5) | Only this direction, Mon to Fri (56 trips) Sat (every 20 mins) Sun (every 25 mins) | " |
| 490 | North Sheen to Heathrow Airport (Terminal 5) | Mon (4 trips, 2 back) Sun (every 19 mins) | " |
| 555 | Heathrow Airport to Hersham | Only this direction, Mon to Fri (1 trip) | Hallmark Connections |
| | Heathrow Airport to Sunbury | Evenings only, one way, Mon to Sun (2 trips) | " |
| | Heathrow Airport to Walton on Thames | Evenings only, one way, Mon to Fri (2 trips) Sat (1 trip) Sun (1 trip) | " |
| | Heathrow Airport to Walton on Thames | Early Mornings, this way only, Mon to Fri (3 trips) Sat (2 trips) Sun (2 trips) | " |
| | Heathrow Airport to Whiteley | Only this direction, Mon to Fri (12 trips) Sat (6 trips) Sun (6 trips) | " |
| | Hersham to Heathrow Airport | Only this direction, Mon to Fri (2 trips) Sat (1 trip) Sun (1 trip) | " |
| | Sunbury to Heathrow Airport | Only this direction, Mon to Fri (3 trips) Sat (1 trip) Sun (1 trip) | " |
| | Walton on Thames to Heathrow Airport | Only this direction, Mon to Fri (4 trips) Sat (2 trips) Sun (2 trips) | " |
| | Whiteley to Heathrow Airport | Only this direction, Mon to Fri (11 trips) Sat (6 trips) Sun (6 trips) | " |
| 724 | Harlow to Heathrow Airport | Only this direction, Mon to Fri (16 trips) Sat (every 60 mins) Sun (7 trips) | Kent Thameside |
| | Heathrow Airport to Harlow | Only this direction, Mon to Fri (16 trips) Sat (every 60 mins) Sun (7 trips) | " |
| A10 | Heathrow Airport to Uxbridge | Only this direction, Mon to Fri (73 trips) Sat (every 15 mins) Sun (every 30 mins) | Metroline |
| | Uxbridge to Heathrow Airport | Only this direction, Mon to Fri (74 trips) Sat (every 15 mins) Sun (every 30 mins) | " |
| BL1 | Bedfont Lakes to Heathrow Airport (Terminals 1-3) | Mon to Fri (every 75 mins) | Courtney |
| Bracknell Heathrow Express | Bracknell to Heathrow Airport | Details Unknown | CJJ Coaches |
| H 2 | Hatton Cross to Heathrow Airport | Evenings only, one way, Mon to Sun (1 trip) | National Express |
| | Heathrow Airport (Central Bus Station) Circular | Only this direction, Mon to Sun (every 30 mins) | " |
| H 8 | Heathrow Airport (Central Bus Station Circular) | Details Unknown | " |
| H 9 | Heathrow Airport to Hatton Cross | Details Unknown | " |
| N 7 | Heathrow Airport to Slough | Details Unknown | Beeline |
| N 8 | Slough to Heathrow Airport | Details Unknown | " |
| N 9 | Aldwych to Heathrow Airport (Terminal 5) | Early Mornings, this way only, Mon to Sun (17 trips) | London United |
| | Heathrow Airport (Terminal 5) to Aldwych | Evenings only, one way, Mon to Sun (16 trips) | " |
| | Hounslow to Heathrow Airport (Terminal 5) | Evenings only, one way, Mon to Sun (2 trips) | " |
| N140 | Harrow Weald to Heathrow Airport | Only this direction, Mon to Sun (13 trips) | Metroline |
| | Heathrow Airport to Harrow Weald (Long Elmes) | Early Mornings, this way only, Mon to Sun (13 trips) | " |
| RA1Railair | Heathrow Airport to Reading | Only this direction, Mon to Sun (8 trips) | Beeline |
| | Reading to Heathrow Airport | Only this direction, Mon to Sun (8 trips) | " |