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GCH to ICN: distance & flight time
Gachsaran (Gachsaran Airport) → Seoul (Incheon International Airport)
4,248 mi
6,837 km · 3,692 nm
8h 48m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live GCH→ICN fares Phone-only fares on this route — call free
Flight time details
4,248 miles nonstop takes roughly 8h 48m 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
- GCH — Gachsaran Airport · Gachsaran, 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 GCH
- YES · Yasouj Airport50 mi away
- AKW · Aghajari Airport74 mi away
- KHK · Khark Island Airport80 mi away
- OMI · Omidiyeh Airport84 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 GCH from ICN?
The flight distance from Gachsaran (GCH) to Seoul (ICN) is 4,248 miles (6,837 km, 3,692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to ICN?
A nonstop flight takes about 8h 48m 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 Gachsaran and Seoul?
Seoul is 5.5 hours ahead of Gachsaran.
What is the cheapest way to fly from GCH to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–ICN that never appear on search engines, with no booking fees.