| 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) |
| 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 to Fri (4 trips, 2 back) Sat (every 12 mins) Sun (every 19 mins) | " |
| Via Richmond-Bus Station-St Margarets-Twickenham-London (Strawberry Hill) ..... more |
| | North Sheen to Heathrow Airport (Terminal 5) | School terms only, (93 trips, 91 back) | " |
| Via Richmond-Bus Station-St Margarets-Twickenham-London (Strawberry Hill) ..... more |
| 555 | Heathrow Airport to Hersham | Early Mornings, this way only, Sat (1 trip) Sun (1 trip) | Hallmark Connections |
| Via Sipson-Harlington (Heathrow Airport Renaissance Hotel) ..... more |
| | Heathrow Airport to Sunbury | Evenings only, one way, Mon to Sun (2 trips) | " |
| Via Sipson-Harlington (Heathrow Airport Renaissance Hotel) ..... more |
| | Heathrow Airport to Walton on Thames | Only this direction, Mon to Sun (4 trips) | " |
| Via Sipson-Harlington (Heathrow Airport Renaissance Hotel) ..... more |
| | Heathrow Airport to Whiteley | Only this direction, Mon to Fri (14 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| Via Sipson-Harlington (Heathrow Airport Renaissance Hotel) ..... more |
| | Hersham to Heathrow Airport | Only this direction, Mon to Sat (1 trip) Sun (2 trips) | " |
| Via Hersham (Rydens School)-Walton on Thames-Rail Station ..... more |
| | Sunbury to Heathrow Airport | Only this direction, Mon to Fri (3 trips) Sat (5 trips) Sun (1 trip) | " |
| Via Sunbury (Tesco)-Ashford Common-Ashford-Hospital-Stanwell ..... more |
| | Walton on Thames to Heathrow Airport | Only this direction, Mon to Sun (4 trips) | " |
| Via Lower Halliford-Shepperton-Rail Station-Upper Halliford ..... more |
| | Whiteley to Heathrow Airport | Only this direction, Mon to Fri (12 trips) Sat (every 60 mins) Sun (every 60 mins) | " |
| Via Hersham-Rydens School-Walton on Thames-Rail Station-Lower Halliford ..... more |
| H53 | Sipson to Heathrow Airport (Terminal 4) | Details Unknown | " |
| H54 | Sipson (Heathrow Airport Holiday Inn M4) to Heathrow Airport (Terminal 5) | Mon to Sun (every 30 mins) | " |
| Via Harlington (Heathrow Airport Renaissance Hotel)-Harlington (Heathrow Airport Sheraton Skyline Hotel) ..... more |
| H56 | Hatton Cross (Heathrow Airport Jurys Inn) to Heathrow Airport (Terminal 5) | Mon to Sun (every 30 mins) | " |
| Via Harlington (Heathrow Airport Holiday Inn Ariel)-Harlington (Heathrow Airport Premier Inn Bath Road) ..... more |
| H57 | Heathrow Airport (Terminal 4 Circular) | Details Unknown | " |
| H59 | Heathrow Airport (Terminal 4 Circular) | Details Unknown | " |
| Picadilly | Cockfosters to Heathrow Airport (Terminals 1-3) | Evenings only, one way, Mon to Sun (1 trip) | 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, Mon to Sun (1 trip) | " |
| Via London (Oakwood Underground Station)-Southgate-London (Arnos Grove Underground Station) ..... more |
| | Osterley to Heathrow Airport (Terminals 1-3) | Early Mornings, this way only, Sun (1 trip) | " |
| Via Hounslow East-Hounslow-Hounslow West-Hatton Cross-Heathrow Airport (Terminal 4) |
| | Osterley to Heathrow Airport (Terminals 1-3) | Early Mornings, this way only, Sun (1 trip) | " |
| Via Hounslow East-Hounslow-Hounslow West-Hatton Cross-Heathrow Airport (Terminal 4) |