- Laurie FieldIdent: CT19Serves: Hazardville
- Laurinburg Maxton AirportIdent: KMEBServes: Maxton
- Lautzenhiser AirparkIdent: IN83Serves: Hamilton
- Lava Hot Springs AirportIdent: 01IDServes: Lava Hot Springs
- Laverty FieldIdent: IA41Serves: Indianola
- Lavina AirportIdent: 80SServes: Lavina
- Lawing AirportIdent: 9Z9Serves: Lawing
- Lawles AirportIdent: US-0923Serves: Hydro
- Lawlor-Justus AirportIdent: 9MO3Serves: Faucett
- Lawrence AirstripIdent: 55AKServes: Wasilla
- Lawrence County AirparkIdent: KHTWServes: South Point
- Lawrence FieldIdent: 4AR5Serves: Cherry Valley
- Lawrence J Timmerman AirportIdent: KMWCServes: Milwaukee
- Lawrence Municipal AirportIdent: KLWCServes: Lawrence
- Lawrence Smith Memorial AirportIdent: KLRYServes: Harrisonville
- Lawrenceburg Lawrence County AirportIdent: K2M2Serves: Lawrenceburg
- Lawrenceville Vincennes International AirportIdent: KLWVServes: Lawrenceville
- Lawson AirparkIdent: WN21Serves: Port Angeles
- Lawson FieldIdent: 99LAServes: Crowley
- Lawton AirportIdent: IA84Serves: Lawton
- Lay LandingIdent: US-8166Serves: Vincent
- Layne Farm AirstripIdent: VA28Serves: Cullen
- Layne FieldIdent: 5II1Serves: New Winchester
- Lazy 8 Flying Ranch AirportIdent: TT20Serves: Madisonville
- Lazy 9 Ranch AirportIdent: TX64Serves: Decatur
- Lazy B Ranch AirportIdent: PS08Serves: Dover
- Lazy Dog Ranch AirparkIdent: 3TE3Serves: Nevada
- Lazy Dog Ranch AirparkIdent: US-13013Serves: Sadler
- Lazy Eight Airpark Llc AirportIdent: AL17Serves: Wilsonville
- Lazy F Ranch AirportIdent: 99ORServes: Wallowa
- Lazy G Bar Ranch AirportIdent: 09TAServes: Decatur
- Lazy J. AerodromeIdent: 00WVServes: Beverly
- Lazy J. Ranch AirportIdent: PS82Serves: Springbrook
- Lazy River AirportIdent: US-4987Serves: Wausaukee
- Lazy S Farm AirportIdent: 7FL7Serves: High Springs
- Lazy T Ranch AirportIdent: 8WY6Serves: Ten Sleep
- Lazy W AirportIdent: 86COServes: Berthoud
- Lazy-W AirportIdent: OI01Serves: Logan
- Lazyboy AirportIdent: 2FD0Serves: Branford
- LBJ Ranch AirportIdent: 0TE7Serves: Stonewall
- Le Blanc FieldIdent: LS86Serves: Hammond
- Le Champ AirportIdent: 48MDServes: Princess Anne
- Le Gros Memorial AirportIdent: K3R2Serves: Crowley
- Le Maire Memorial AirportIdent: K2R1Serves: Jeanerette
- Le Mars Municipal AirportIdent: KLRJServes: Le Mars
- Le Roy AirportIdent: 5G0Serves: Le Roy
- Le Sueur Municipal AirportIdent: K12YServes: Le Sueur
- Lea County-Jal AirportIdent: KE26Serves: Jal
- Lea County-Zip Franklin Memorial AirportIdent: KE06Serves: Lovington
- Leach AirportIdent: K1V8Serves: Center
- Leaders Clear Lake AirportIdent: K8Y6Serves: Clear Lake
- Leadore AirportIdent: KU00Serves: Leadore
- Leak AirportIdent: 85INServes: Tab
- Leavitt AirportIdent: NH38Serves: Albany
- Lebanon Municipal AirportIdent: KM54Serves: Lebanon
- Lebanon Springfield Airport - George Hoerter FieldIdent: K6I2Serves: Springfield
- Lebanon State AirportIdent: S30Serves: Lebanon
- Leblanc AirportIdent: LA90Serves: Crowley
- Ledford Farm AirportIdent: OL03Serves: Nida
- Ledgedale AirparkIdent: K7G0Serves: Brockport