| Number | Service (From/To) | General Details | Operator | | 117 | London to Heathrow Airport | Mon to Sun (every 30 mins) | Heathrow Connect |
| Via Ealing Broadway-West Ealing-Hanwell-Southall-Hayes (Hayes and Harlington Rail Station) ..... more |
| 118 | London to Heathrow Airport | Mon to Sun (every 15 mins) | Heathrow Express |
| Via Heathrow Airport (Terminals - Underground Station)-Heathrow Airport (Terminal 4 Underground Station) |
| Picadilly | Cockfosters to Heathrow Airport | Mon to Fri (every 11 mins) Sat (every 10 mins) Sun (every 11 mins) | London Underground |
| Via London (Oakwood Underground Station)-Southgate-London (Arnos Grove Underground Station) ..... more |
| | Cockfosters to Heathrow Airport (Terminals 1-3) | Evenings only, one way, MonTueWedThu (1 trip) Sun (1 trip) | " |
| Via London (Oakwood Underground Station)-Southgate-London (Arnos Grove Underground Station) ..... more |
| | Heathrow Airport (Terminal 4) to Cockfosters | Only this direction, Mon to Fri (every 20 mins) Sat (every 10 mins) Sun (every 10 mins) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | Heathrow Airport (Terminal 4) to London | Only this direction, Mon to Fri (23 trips) Sat (9 trips) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | Heathrow Airport (Terminal 4) to London | Only this direction, Fri (1 trip) Sat (7 trips) Sun (1 trip) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | Heathrow Airport (Terminal 4) to Northfields | Only this direction, Mon to Fri (1 trip) Sat (3 trips) Sun (1 trip) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | Heathrow Airport to Acton Town | TueWedThuFri (1 trip) Sun (1 trip) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | Heathrow Airport to Hammersmith | Early Mornings only, TueWedThuFri (1 trip) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | Heathrow Airport to London | Mon to Fri (26 trips, 17 back) Sat (5 trips, 3 back) Sun (14 trips, 5 back) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | Heathrow Airport to Northfields | Only this direction, TueWedThuFri (1 trip) Sun (1 trip) | " |
| Via Heathrow Airport (Terminals -)-Hatton Cross-Hounslow West ..... more |
| | London to Heathrow Airport | Sat (1 trip) | " |
| Via Southgate-London (Arnos Grove Underground Station)-Bounds Green ..... more |
| | Osterley to Heathrow Airport | Only this direction, Mon to Fri (3 trips) | " |
| Via Hounslow East-Hounslow-Hounslow West-Hatton Cross-Heathrow Airport (Terminals 1 ..... more |
| | Heathrow Airport (Terminal 4 to Terminals 1-3) | Only this direction, Mon to Fri (1 trip) Sun (6 trips) | " |
| | Wood Green to Heathrow Airport | Only this direction, Mon to Fri (1 trip) | " |
| Via Wood Green (Turnpike Lane Underground Station)-London (Manor House Underground Station) ..... more |