| - | CCW3 | Kings Co Municipal | Waterville | |
| KNY | - | Kinoosao Airport | Kinoosao | |
| - | CKD5 | Kipling | Kipling | |
| - | CFR4 | Kirby | Kirby | |
| YKX | CYKX | Kirkland Lake Airport | Kirkland Lake | |
| - | CBW2 | Kitimat | Kitimat | |
| YKK | - | Kitkatla Sea Plane Base | Kitkatla | |
| - | - | Knee Lake | Knee Lake | |
| YKE | CJT3 | Knee Lake Airport | Knee Lake | |
| KNV | - | Knights Inlet Airport | Knights Inlet | |
| - | CJB8 | Kyle | Kyle | |
| - | CFP6 | La Biche River | La Biche River | |
| - | CFN5 | La Crete | La Crete | |
| - | CJL4 | La Loche | La Loche | |
| YLQ | CYLQ | La Tuque Airport | La Tuque | |
| - | CSA2 | Lac Agile | Lac Agile | |
| - | CJP7 | Lac Du Bonnet | Bird River | |
| - | CYAX | Lac Du Bonnet | Lac Du Bonnet | |
| - | CSC5 | Lac Etchemin | Lac Etchemin | |
| YWQ | - | Lac Margane Seaplane Base | Chute-Des-Passes | |
| - | CSL3 | Lac-A-La-Tortue | Lac-A-La-Tortue | |
| - | CSE4 | Lachute Airport | Lachute | |
| - | CEG3 | Lacombe | Lacombe | |
| YLF | - | Laforges Airport | Laforges | |
| - | CNB9 | Lake Simcoe Regional | Barrie-Orillia | |
| - | CJQ2 | Lampman | Lampman | |
| YLA | - | Langara Airport | Langara | |
| YLY | CYNJ | Langley Regional Airport | Langley | |
| - | CKC6 | Lanigan | Lanigan | |
| LRQ | - | Laurie River Airport | Laurie River | |
| - | CJD5 | Leader | Leader | |
| XLF | - | Leaf Bay Airport | Leaf Bay | |
| YLR | CYLR | Leaf Rapids Airport | Leaf Rapids | |
| - | CJH8 | Leask | Leask | |
| YLS | CSH4 | Lebel-Sur-Quevillon Airport | Lebel-Sur-Quevillon | |
| - | CAH5 | Leo Creek | Leo Creek | |
| - | CJT9 | Leoville | Leoville | |
| - | CSS3 | Les Cedres Airport | Montreal | |
| - | CAX5 | Likely | Likely | |
| - | CAR3 | Lillooet | Lillooet | |
| - | CNF4 | Lindsay | Lindsay | |
| - | CKL6 | Little Bear Lake | Little Bear Lake | |
| - | CJY2 | Little Cornwallis I | Polaris | |
| - | CYAU | Liverpool | Liverpool | |
| - | CFS6 | Loon River | Loon River | |
| - | CKZ6 | Louise Municipal | Crystal City-Pilot Mound | |
| - | CPS4 | Lucan | Lucan | |
| - | CKQ5 | Lucky Lake | Lucky Lake | |
| YWO | CYWO | Lupin Airport | Lupin | |
| - | CJR2 | Luseland | Luseland | |