| Number | Service (From/To) | General Details | Operator | | 4 | Cippenham to Heathrow Airport | Only this direction, Mon to Sat (6 trips) Sun (1 trip) | Beeline |
| | Heathrow Airport to Cippenham | Only this direction, Mon to Fri (3 trips) Sat (5 trips) Sun (2 trips) | " |
| | Heathrow Airport to Maidenhead | Only this direction, Mon to Fri (26 trips) Sat (every 30 mins) Sun (every 60 mins) | " |
| | Heathrow Airport to Slough | Evenings only, one way, Mon to Sat (5 trips) Sun (4 trips) | " |
| | Maidenhead to Heathrow Airport | Only this direction, Mon to Fri (24 trips) Sat (every 30 mins) Sun (every 60 mins) | " |
| | Slough to Heathrow Airport | Evenings/Sun only, one way, Mon to Sat (4 trips) Sun (6 trips) | " |
| 7 | Britwell to Heathrow Airport | Only this direction, Mon to Fri (5 trips) Sat (6 trips) Sun (5 trips) | " |
| | Heathrow Airport to Britwell | Early Mornings, this way only, Mon to Sun (4 trips) | " |
| | Heathrow Airport to Slough | Only this direction, Mon to Sun (4 trips) | " |
| | Slough to Heathrow Airport | Evenings only, one way, Mon to Fri (3 trips) Sat (2 trips) Sun (3 trips) | " |
| 8 | Heathrow Airport to Slough | Only this direction, Mon to Sat (2 trips) Sun (every 60 mins) | " |
| | Slough to Heathrow Airport | Only this direction, Mon to Sat (2 trips) Sun (every 60 mins) | " |
| 102Chiltern Hundreds | Heathrow Airport to Beaconsfield (Old Town) | Mon to Sat (4 trips, 9 back) Sun (8 trips, 16 back) | Carousel |
| | Heathrow Airport to Beaconsfield (Old Town) | Only this direction, Mon to Sat (3 trips) Sun (9 trips) | " |
| | High Wycombe to Heathrow Airport | Mon to Fri (28 trips, 32 back) Sat (32 trips, 34 back) Sun (25 trips, 24 back) | " |
| 105 | Greenford to Heathrow Airport | Mon to Sat (every 12 mins) Sun (every 15 mins) | London United |
| 111 | Heathrow Airport to Kingston Upon Thames | Mon to Fri (every 8 mins) Sat (every 9 mins) Sun (every 12 mins) | " |
| | London (Hampton Hill Hampton School) to Heathrow Airport | Only this direction, Mon to Fri (1 trip) | " |
| 278 | Heathrow Airport to Ruislip | Mon to Fri (72 trips, 73 back) Sat (every 15 mins) Sun (every 20 mins) | Abellio London |
| 285 | Heathrow Airport to Kingston Upon Thames | Only this direction, Mon to Fri (96 trips) Sat (every 13 mins) Sun (every 13 mins) | London United |
| | Kingston Upon Thames to Heathrow Airport | Only this direction, Mon to Fri (96 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 30 mins) | Metroline |
| | Southall to Heathrow Airport (Terminal 5) | Only this direction, Mon to Fri (57 trips) Sat (every 20 mins) Sun (every 28 mins) | " |
| 490 | North Sheen to Heathrow Airport (Terminal 5) | Mon to Fri (95 trips, 91 back) Sat (every 12 mins) Sun (every 19 mins) | Abellio London |
| 555 | Heathrow Airport to Hersham | Early Mornings, this way only, Mon to Sun (1 trip) | Hallmark Connections |
| | Heathrow Airport to Sunbury | Evenings only, one way, Mon to Sun (2 trips) | " |
| | Heathrow Airport to Walton on Thames | Only this direction, Mon to Sun (4 trips) | " |
| | Heathrow Airport to Whiteley | Only this direction, Mon to Fri (13 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| | Hersham to Heathrow Airport | Only this direction, Mon to Sun (2 trips) | " |
| | Sunbury to Heathrow Airport | Only this direction, Mon to Sun (3 trips) | " |
| | Walton on Thames to Heathrow Airport | Only this direction, Mon to Sun (4 trips) | " |
| | Whiteley to Heathrow Airport | Only this direction, Mon to Fri (11 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| 724 | Harlow to Heathrow Airport | Only this direction, Mon to Fri (25 trips) Sat (every 60 mins) Sun (7 trips) | Kent Thameside |
| | Heathrow Airport to Harlow | Only this direction, Mon to Fri (24 trips) Sat (every 60 mins) Sun (7 trips) | " |
| 925 | Heathrow Airport to Woking | Mon to Sun (every 60 mins) | National Express |
| 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 |
| H 8 | Harlington 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 Fri (21 trips) Sat (every 45 mins) Sun (every 45 mins) | " |
| H 9 | Hatton Cross to Heathrow Airport | Mon to Sun (1 trip) | " |
| | Heathrow Airport (Central Bus Station) Circular | Only this direction, Mon to Fri (25 trips) Sat (every 45 mins) Sun (every 45 mins) | " |
| 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) | Evenings only, one way, Mon to Sat (17 trips) Sun (19 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, TueWedThuFriSat (2 trips) 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 | Mon to Fri (50 trips) Sat (every 30 mins) Sun (every 30 mins) | Beeline |