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ICN to DEC: distance & flight time
Seoul (Incheon International Airport) → Decatur (Decatur Airport)
6,645 mi
10,695 km · 5,775 nm
13h 30m
estimated nonstop flight time
-14h
time difference · heading northeast
See live ICN→DEC fares Phone-only fares on this route — call free
Flight time details
6,645 miles nonstop takes roughly 13h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- DEC — Decatur Airport · Decatur, United States
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 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 ICN from DEC?
The flight distance from Seoul (ICN) to Decatur (DEC) is 6,645 miles (10,695 km, 5,775 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to DEC?
A nonstop flight takes about 13h 30m 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 Seoul and Decatur?
Decatur is 14 hours behind Seoul.
What is the cheapest way to fly from ICN to DEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–DEC that never appear on search engines, with no booking fees.