ICN to IST: Distance and Flight Time
The distance from Incheon International Airport (ICN) to İstanbul Airport (IST) is 7,924 km (4,924 mi). A typical nonstop flight covers it in about 10h 25m, heading northwest. The distance is the same in either direction (IST to ICN).
How far is it from Seoul to Istanbul?
The great-circle distance between Incheon International Airport (ICN) and İstanbul Airport (IST) is 7,924 km (4,924 mi, 4,279 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 ICN to IST?
A nonstop flight typically takes about 10h 25m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. IST is roughly northwest of ICN.
How is the ICN to IST route written in code?
The pair is written ICN-IST in IATA codes and RKSI-LTFM in ICAO codes, the form used on a flight plan. Incheon International Airport is ICN (RKSI), İstanbul Airport is IST (LTFM).
| ICN | IST | |
|---|---|---|
| Airport | Incheon International Airport | İstanbul Airport |
| ICAO code | RKSI | LTFM |
| Country | South Korea | Turkey |
| Elevation | 23 ft | 325 ft |
| Rank by connections | #14 | #18 |
RKSI starts with R, the ICAO prefix for East Asia; LTFM starts with L, the prefix for southern Europe. How ICAO prefixes are laid out.
IST sits 302 ft (92 m) higher than ICN, which is a real difference in air density on takeoff.
Airlines flying ICN to IST
3 airlines appear on this route in the open route dataset, 3 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 |
|---|---|---|---|---|
| KE | Korean Air | KAL | Koreanair | Active |
| OZ | Asiana Airlines | AAR | Asiana | Active |
| TK | Turkish Airlines | THY | Turkair | 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 Seoul from Istanbul?
Incheon International Airport (ICN) and İstanbul Airport (IST) are 7,924 km (4,924 mi, 4,279 nautical miles) apart in a straight line.
How long is the flight from ICN to IST?
A typical nonstop flight between ICN and IST takes about 10h 25m. Actual times vary with aircraft type, winds and routing.
What direction is IST from ICN?
İstanbul Airport (IST) lies roughly northwest of Incheon International Airport (ICN).
Which airlines fly ICN to IST?
3 airlines appear on the ICN-IST route in the open dataset, including Korean Air, Asiana Airlines, Turkish Airlines.
Related routes
Other routes from Seoul (ICN):
Other routes from Istanbul (IST):
ICN airport code · IST airport code · Busiest airports worldwide