IKA to IST: Distance and Flight Time
The distance from Imam Khomeini International Airport (IKA) to İstanbul Airport (IST) is 2,054 km (1,276 mi). A typical nonstop flight covers it in about 3h 5m, heading northwest. The distance is the same in either direction (IST to IKA).
How far is it from Tehran to Istanbul?
The great-circle distance between Imam Khomeini International Airport (IKA) and İstanbul Airport (IST) is 2,054 km (1,276 mi, 1,109 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from IKA to IST?
A nonstop flight typically takes about 3h 5m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. IST is roughly northwest of IKA.
How is the IKA to IST route written in code?
The pair is written IKA-IST in IATA codes and OIIE-LTFM in ICAO codes, the form used on a flight plan. Imam Khomeini International Airport is IKA (OIIE), İstanbul Airport is IST (LTFM).
| IKA | IST | |
|---|---|---|
| Airport | Imam Khomeini International Airport | İstanbul Airport |
| ICAO code | OIIE | LTFM |
| Country | Iran | Turkey |
| Elevation | 3,305 ft | 325 ft |
| Rank by connections | #266 | #18 |
OIIE starts with O, the ICAO prefix for the Middle East and South Asia; LTFM starts with L, the prefix for southern Europe. How ICAO prefixes are laid out.
IST sits 2,980 ft (908 m) lower than IKA, which is a real difference in air density on takeoff.
Airlines flying IKA to IST
5 airlines appear on this route in the open route dataset, 5 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| EP | Iran Aseman Airlines | IRC | - | Active |
| IR | Iran Air | IRA | Iranair | Active |
| KK | Atlasjet | KKK | Atlasjet | Active |
| TK | Turkish Airlines | THY | Turkair | Active |
| W5 | Mahan Air | IRM | Mahan Air | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Tehran from Istanbul?
Imam Khomeini International Airport (IKA) and İstanbul Airport (IST) are 2,054 km (1,276 mi, 1,109 nautical miles) apart in a straight line.
How long is the flight from IKA to IST?
A typical nonstop flight between IKA and IST takes about 3h 5m. Actual times vary with aircraft type, winds and routing.
What direction is IST from IKA?
İstanbul Airport (IST) lies roughly northwest of Imam Khomeini International Airport (IKA).
Which airlines fly IKA to IST?
5 airlines appear on the IKA-IST route in the open dataset, including Iran Aseman Airlines, Iran Air, Atlasjet.
Related routes
Other routes from Tehran (IKA):
Other routes from Istanbul (IST):
IKA airport code · IST airport code · Busiest airports worldwide