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GCH to GMP: distance & flight time
Gachsaran (Gachsaran Airport) → Seoul (Gimpo International Airport)
4,264 mi
6,863 km · 3,705 nm
8h 50m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live GCH→GMP fares Phone-only fares on this route — call free
Flight time details
4,264 miles nonstop takes roughly 8h 50m 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
- GMP — Gimpo 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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Frequently asked questions
How far is GCH from GMP?
The flight distance from Gachsaran (GCH) to Seoul (GMP) is 4,264 miles (6,863 km, 3,705 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to GMP?
A nonstop flight takes about 8h 50m 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 GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–GMP that never appear on search engines, with no booking fees.