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UGN to GMP: distance & flight time
Chicago (Waukegan National Airport) → Seoul (Gimpo International Airport)
6,496 mi
10,455 km · 5,645 nm
13h 12m
estimated nonstop flight time
+14h
time difference · heading northwest
See live UGN→GMP fares Phone-only fares on this route — call free
Flight time details
6,496 miles nonstop takes roughly 13h 12m 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
- UGN — Waukegan National Airport · Chicago, United States
- 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 UGN
- ORD · Chicago O'Hare International Airport31 mi away
- ENW · Kenosha Regional Airport12 mi away
- PWK · Chicago Executive Airport21 mi away
- RAC · John H Batten Airport24 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 UGN from GMP?
The flight distance from Chicago (UGN) to Seoul (GMP) is 6,496 miles (10,455 km, 5,645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to GMP?
A nonstop flight takes about 13h 12m 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 Chicago and Seoul?
Seoul is 14 hours ahead of Chicago.
What is the cheapest way to fly from UGN to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–GMP that never appear on search engines, with no booking fees.