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IST to ICN: distance & flight time
Istanbul (Istanbul Airport) → Seoul (Incheon International Airport)
4,923 mi
7,923 km · 4,278 nm
10h 7m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IST→ICN fares Phone-only fares on this route — call free
Flight time details
4,923 miles nonstop takes roughly 10h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IST — Istanbul Airport · Istanbul, Turkey
- ICN — Incheon International Airport · Seoul, South Korea
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Near ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is IST from ICN?
The flight distance from Istanbul (IST) to Seoul (ICN) is 4,923 miles (7,923 km, 4,278 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to ICN?
A nonstop flight takes about 10h 7m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Istanbul and Seoul?
Seoul is 6 hours ahead of Istanbul.
What is the cheapest way to fly from IST to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–ICN that never appear on search engines, with no booking fees.