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CGX to USN: distance & flight time
Chicago (Chicago Meigs Airport) → Ulsan (Ulsan Airport)
6,597 mi
10,617 km · 5,733 nm
13h 24m
estimated nonstop flight time
+14h
time difference · heading northwest
See live CGX→USN fares Phone-only fares on this route — call free
Flight time details
6,597 miles nonstop takes roughly 13h 24m 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
- CGX — Chicago Meigs Airport · Chicago, United States
- USN — Ulsan Airport · Ulsan, 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 CGX
- ORD · Chicago O'Hare International Airport17 mi away
- MDW · Chicago Midway International Airport9 mi away
- GYY · Gary Chicago International Airport20 mi away
- PWK · Chicago Executive Airport23 mi away
Near USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is CGX from USN?
The flight distance from Chicago (CGX) to Ulsan (USN) is 6,597 miles (10,617 km, 5,733 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGX to USN?
A nonstop flight takes about 13h 24m 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 Ulsan?
Ulsan is 14 hours ahead of Chicago.
What is the cheapest way to fly from CGX to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGX–USN that never appear on search engines, with no booking fees.