Imam Khomeini International Airport is served by 17 airlines, flying from/to 14 destinationsLongest flight from Imam Khomeini International Airport is Tehran to 🇱🇰 Colombo (CMB), which takes around 6 hours. On an airline like Iran Airtour Airline. More info on this flight route (IKA-CMB).Shortest flight from Imam Khomeini International Airport is Tehran to 🇮🇶 Arbil (EBL), which takes around 1 hour and 35 minutes. On an airline like Mahan Air. More info on this flight route (IKA-EBL).