[list of airports by iata code: a \- A] - AL
- ALA (UAAA) – Almaty International Airport – Almaty, Kazakhstan
- ALB (KALB) – Albany International Airport – Albany, New York, United States
- ALC (LEAL) – El Altet Airport – Alicante, Spain
- ALD (SPAR) – Alerta Airport – Alerta, Peru
- ALF (ENAT) – Alta Airport – Alta, Norway
- ALG (DAAG) – Houari Boumedienne Airport – Algiers, Algeria
- ALH (YABA) – Albany Airport – Albany, Western Australia, Australia
- ALI (KALI) – Alice International Airport – Alice, Texas, United States
- ALJ (FAAB) – Kortdoorn Airport – Alexander Bay, South Africa
- ALK – Asella Airport – Asella, Ethiopia
- ALL (LIMG) – Albenga Airport – Albenga/Villanova, Italy
- ALM (KALM) – Alamogordo-White Sands Regional Airport – Alamogordo, New Mexico, United States
- ALN (KALN) – St. Louis Regional Airport – Alton, Illinois, United States
- ALO (KALO) – Waterloo Regional Airport – Waterloo, Iowa, United States
- ALP (OSAP) – Aleppo International Airport (Nejrab Airport) – Aleppo, Syria
- ALQ – Alegrete Federal Airport – Alegrete, Brazil
- ALR (NZLX) – Alexandra Airport – Alexandra, New Zealand
- ALS (KALS) – San Luis Valley Regional Airport – Alamosa, Colorado, United States
- ALT – Alenquer Airport – Alenquer, Brazil
- ALU (HCMA) – Alula Airport – Alula, Somalia
- ALV – Andorra La Vella Airport – Andorra La Vella, Andorra
- ALW (KALW) – Walla Walla Regional Airport – Walla Walla, Washington, United States
- ALX (KALX) – Thomas C. Russell Field – Alexander City, Alabama, United States
- ALY (HEAX) – El Nhouza Airport – Alexandria, Egypt
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