- L O Simenstad Municipal AirportIdent: KOEOServes: Osceola
- L. Seckerson AirstripIdent: NA84Serves: Eldridge
- La Belle Municipal AirportIdent: KX14Serves: La Belle
- La Buena Vida AirportIdent: US-6441Serves: Woodsboro
- La Center View-Air AirportIdent: WA29Serves: La Center
- La Cholla AirparkIdent: 57AZServes: Oro Valley
- La Dolce Terra AirportIdent: 38SCServes: Gaffney
- La Esperanza Ranch AirportIdent: TE29Serves: Encinal
- La Grande/Union County AirportIdent: KLGDServes: La Grande
- La Junta Municipal AirportIdent: KLHXServes: La Junta
- La Pointe AirportIdent: US-5006Serves: Saint Martinsville
- La Porte Municipal AirportIdent: KPPOServes: La Porte
- La Porte Municipal AirportIdent: KT41Serves: La Porte
- La Sal Junction AirportIdent: 01UTServes: La Sal
- Laas Farm AirportIdent: 1TS1Serves: Pattison
- Lac Qui Parle County AirportIdent: KDXXServes: Louisburg
- Lackawannock AirportIdent: PN99Serves: Sharon
- Lackorn AirportIdent: TE51Serves: Seguin
- Laconia Municipal AirportIdent: KLCIServes: Laconia / Gilford
- LaCrosse Municipal AirportIdent: WA30Serves: LaCrosse
- Lafayette AirstripIdent: OR90Serves: Lafayette
- Lafayette Landings AirportIdent: FD90Serves: De Leon Springs
- Lafayette Municipal AirportIdent: K3M7Serves: Lafayette
- Lafferty FieldIdent: 9OR0Serves: Brownsville
- Lagniappe STOL FieldIdent: 1SC1Serves: Pelzer
- Lago Vista Texas Rusty Allen AirportIdent: KRYWServes: Lago Vista
- LaGrange Callaway AirportIdent: KLGCServes: LaGrange
- Lagrone Ranch AirportIdent: 19TAServes: Mc Clendon-Chisholm
- Laguna Army AirfieldIdent: KLGFServes: Yuma Proving Ground(Yuma)
- Laguna Park Community AirportIdent: TX82Serves: Laguna Park
- Laidlaw Corrals AirportIdent: U99Serves: Paul
- Laird Ranch AirportIdent: MT05Serves: Ekalaka
- Lajitas International AirportIdent: 89TEServes: Lajitas
- Lake Air Ranch AirportIdent: 87OIServes: Norwalk
- Lake Air Service AirportIdent: LA32Serves: Lake Arthur
- Lake Air Service-Pine Island AirportIdent: LS70Serves: Jennings
- Lake AirportIdent: 19PAServes: Millville
- Lake Andes Municipal AirportIdent: 8D8Serves: Lake Andes
- Lake Anna AirportIdent: 7W4Serves: Bumpass
- Lake Arrowhead AirportIdent: 2CN8Serves: Lake Arrowhead
- Lake Arthur FieldIdent: PN84Serves: Portersville
- Lake Barkley State Park AirportIdent: K1M9Serves: Cadiz
- Lake Bay Gall AirportIdent: 0TS5Serves: Cleveland
- Lake Bonanza AirportIdent: 33TAServes: Montgomery
- Lake Bronson AirportIdent: 27MNServes: Lake Bronson
- Lake California Air ParkIdent: 68CAServes: Cottonwood
- Lake Chelan AirportIdent: KS10Serves: Chelan
- Lake City AirparkIdent: FL27Serves: Lake City
- Lake City Gateway AirportIdent: KLCQServes: Lake City
- Lake City Municipal Airport - CJ Evans FieldIdent: K51JServes: Lake City
- Lake Clinch AirparkIdent: 52FLServes: Frostproof
- Lake County AirportIdent: KLKVServes: Lakeview
- Lake County AirportIdent: KLXVServes: Leadville
- Lake County Executive AirportIdent: KLNNServes: Willoughby
- Lake Creek Ranch AirportIdent: 92COServes: Hillside
- Lake Elmo AirportIdent: K21DServes: St Paul
- Lake Geneva Aire Estates AirportIdent: WI89Serves: Lake Geneva
- Lake in the Hills AirportIdent: K3CKServes: Chicago/Lake in the Hills
- Lake Isabella AirparkIdent: D15Serves: Lake Isabella
- Lake Lawn AirportIdent: C59Serves: Delavan