Need help booking?
Unpublished phone-only deals available
GMP to DEF: distance & flight time
Seoul (Gimpo International Airport) → Dezful (Dezful Airport)
4,319 mi
6,951 km · 3,753 nm
8h 56m
estimated nonstop flight time
-5.5h
time difference · heading west
See live GMP→DEF fares Phone-only fares on this route — call free
Flight time details
4,319 miles nonstop takes roughly 8h 56m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5.5-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- DEF — Dezful Airport · Dezful, Iran
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 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
Near DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is GMP from DEF?
The flight distance from Seoul (GMP) to Dezful (DEF) is 4,319 miles (6,951 km, 3,753 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to DEF?
A nonstop flight takes about 8h 56m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GMP to DEF?
Nonstop service on GMP–DEF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 8h 56m nonstop estimate.
What is the time difference between Seoul and Dezful?
Dezful is 5.5 hours behind Seoul.
What is the cheapest way to fly from GMP to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–DEF that never appear on search engines, with no booking fees.
Why are some GMP to DEF fares phone-only?
Consolidator contracts let us sell certain GMP–DEF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.