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DEF to ICN: distance & flight time
Dezful (Dezful Airport) → Seoul (Incheon International Airport)
4,304 mi
6,927 km · 3,740 nm
8h 54m
estimated nonstop flight time
+5.5h
time difference · heading northeast
See live DEF→ICN fares Phone-only fares on this route — call free
Flight time details
4,304 miles nonstop takes roughly 8h 54m 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
- DEF — Dezful Airport · Dezful, 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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 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 DEF from ICN?
The flight distance from Dezful (DEF) to Seoul (ICN) is 4,304 miles (6,927 km, 3,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to ICN?
A nonstop flight takes about 8h 54m 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 Dezful and Seoul?
Seoul is 5.5 hours ahead of Dezful.
What is the cheapest way to fly from DEF to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–ICN that never appear on search engines, with no booking fees.