| KOH | - | Koolatah Airport | Koolatah | |
| KKP | - | Koolburra Airport | Koolburra | |
| KQB | - | Koonibba Airport | Koonibba | |
| KGR | - | Kulgera Airport | Kulgera | |
| KRD | - | Kurundi Airport | Kurundi | |
| TGN | - | La Trobe Regional Airport | Traralgon | |
| LYT | - | Lady Elliot Island Airport | Lady Elliot Island | |
| - | YLCG | Lake Cargelligo | Lake Cargelligo | |
| LEL | YLEV | Lake Evella Airport | Lake Evella | |
| LGE | - | Lake Gregory Airport | Lake Gregory | |
| LNH | - | Lake Nash Airport | Lake Nash | |
| LKD | - | Lakeland Downs Airport | Lakeland Downs | |
| LDW | - | Lansdowne Airport | Lansdowne | |
| LTB | - | Latrobe Airport | Latrobe | |
| - | YLTV | Latrobe Valley | Latrobe Valley | |
| LUU | - | Laura Airport | Laura | |
| LUT | - | Laura Station Airport | Laura Station | |
| - | YLVK | Lavarack | Lavarack | |
| - | YLVT | Laverton (Military) | Laverton | |
| LGH | YLEC | Leigh Creek Airport | Leigh Creek | |
| - | YLEG | Leongatha | Leongatha | |
| LHG | YLRD | Lightning Ridge Airport | Lightning Ridge | |
| - | YLIL | Lilydale | Lilydale | |
| LIB | - | Limbunya Airport | Limbunya | |
| LLP | - | Linda Downs Airport | Linda Downs | |
| LDC | - | Lindeman Island Airport | Lindeman Island | |
| LLL | - | Lissadell Airport | Lissadell | |
| LOC | - | Lock Airport | Lock | |
| - | YLCS | Locksley Field | Locksley Field | |
| HAP | - | Long Island Seaplane Base | Long Island | |
| LOA | YLOR | Lorraine Airport | Lorraine | |
| LTV | - | Lotusvale Airport | Lotusvale | |
| - | YLOX | Loxton | Loxton | |
| LTP | - | Lyndhurst Airport | Lyndhurst | |
| MNW | - | Macdonald Downs Airport | Macdonald Downs | |
| MVH | - | Macksville Airport | Macksville | |
| MIZ | - | Mainoru Airport | Mainoru | |
| MTL | YMND | Maitland Airport | Maitland | |
| XMC | YMCO | Mallacoota Airport | Mallacoota | |
| MQA | - | Mandora Airport | Mandora | |
| - | YMNG | Mangalore | Mangalore | |
| MJP | YMJM | Manjimup Airport | Manjimup | |
| MFP | - | Manners Creek Airport | Manners Creek | |
| MBB | YMBL | Marble Bar Airport | Marble Bar | |
| MRG | YMBA | Mareeba Airport | Mareeba | |
| MQZ | YMGT | Margaret River Airport | Margaret River | |
| MGV | YMGR | Margaret River Station Airport | Margaret River Station | |
| MXD | - | Marion Downs Airport | Marion Downs | |
| MRP | YALA | Marla Airport | Marla | |
| MQE | - | Marqua Airport | Marqua | |