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IKA to ICN: distance & flight time
Tehran (Imam Khomeini International Airport) → Seoul (Incheon International Airport)
4,069 mi
6,548 km · 3,536 nm
8h 27m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live IKA→ICN fares Phone-only fares on this route — call free
Flight time details
4,069 miles nonstop takes roughly 8h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time gain when reading arrival times on your ticket.
The two airports
- IKA — Imam Khomeini International Airport · Tehran, Iran
- 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 IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 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 IKA from ICN?
The flight distance from Tehran (IKA) to Seoul (ICN) is 4,069 miles (6,548 km, 3,536 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to ICN?
A nonstop flight takes about 8h 27m 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 Tehran and Seoul?
Seoul is 5.5 hours ahead of Tehran.
What is the cheapest way to fly from IKA to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–ICN that never appear on search engines, with no booking fees.