Need help booking?
Unpublished phone-only deals available
CWI to ICN: distance & flight time
Clinton (Clinton Municipal Airport) → Seoul (Incheon International Airport)
6,488 mi
10,441 km · 5,638 nm
13h 11m
estimated nonstop flight time
+14h
time difference · heading northwest
See live CWI→ICN fares Phone-only fares on this route — call free
Flight time details
6,488 miles nonstop takes roughly 13h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- CWI — Clinton Municipal Airport · Clinton, United States
- 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 CWI
- MLI · Quad City International Airport28 mi away
- DBQ · Dubuque Regional Airport44 mi away
- GBG · Galesburg Municipal Airport62 mi away
- IOW · Iowa City Municipal Airport64 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 CWI from ICN?
The flight distance from Clinton (CWI) to Seoul (ICN) is 6,488 miles (10,441 km, 5,638 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CWI to ICN?
A nonstop flight takes about 13h 11m 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 CWI to ICN?
Nonstop service on CWI–ICN 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 13h 11m nonstop estimate.
What is the time difference between Clinton and Seoul?
Seoul is 14 hours ahead of Clinton.
What is the cheapest way to fly from CWI to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CWI–ICN that never appear on search engines, with no booking fees.
Why are some CWI to ICN fares phone-only?
Consolidator contracts let us sell certain CWI–ICN 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.