Imam Khomeini International Airport
Location: Located southwest of Tehran, the capital of Iran.
Importance: The most modern, largest and busiest airport in Iran.

Mashhad International Airport (also known as Shahid Hashemi Nejad International Airport)
Location: Located in the southern suburbs of Mashhad, the second largest city in Iran.
Importance: The second busiest airport in Iran.

Shiraz International Airport 
Location: Located in Shiraz, Fars Province, Iran.
Importance: The second largest airport in the country after Tehran Imam Khomeini International Airport.

Bandar Abbas International Airport
Location: Located on the east side of Bandar Abbas, Hormozgan Province, Iran.
Importance: A strategic location on the Strait of Hormuz, with flights to Iran and the Persian Gulf countries.