Showing 394 registered airlines with a combined fleet of 1,328 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Leeming Flying Training Unit | LEE | 0 |
| Leonardo | WHE | 1 |
| Linton-on-Ouse Flying Training Unit | LOP | 0 |
| Lion Air Services | WGT | 0 |
| Loganair | LOG / LM | 27 |
| Lomas Helicopters | LMS | 0 |
| London City Airport Jet Centre | LCY | 0 |
| London Executive Aviation | LNX | 9 |
| London Flight Centre (Stansted) | LOV | 0 |
| London Helicopter Centres | LHC | 0 |