Which is the busiest airport in Tehran?

Mehrabad International Airport (THR), with 14,931,798 passengers a year in open data.

Tehran airports

2 airports

Code	Airport	Serves	Passengers / year	Routes
THR	Mehrabad International Airport	Tehran	14,931,798	—
IKA	Imam Khomeini International Airport	Tehran	7,672,152	10

	THR	IKA
THR	—	34
IKA	34	—

Kilometres, straight line.

Route	To	Distance	Passengers / year
IKA – IST	Istanbul, Turkey	2,058 km	2,050,223
IKA – SAW	Istanbul, Turkey	2,003 km	318,677
AYT – IKA	Antalya, Turkey	1,835 km	152,166
ESB – IKA	Ankara, Turkey	1,679 km	132,581
ADB – IKA	İzmir, Turkey	2,157 km	86,718
FRA – IKA	Frankfurt, Germany	3,782 km	82,117
DEL – IKA	New Delhi, India	2,558 km	38,715
DNZ – IKA	Çaltı, Turkey	1,933 km	36,112
GZP – IKA	Gazipaşa, Turkey	1,703 km	17,251
BOM – IKA	Mumbai, India	2,798 km	14,309

Tehran has 2 airports with scheduled flights: THR (Mehrabad International Airport), IKA (Imam Khomeini International Airport).