✈ ORD → ICN
CHICAGO → SEOUL IN 13H 17M. CONSIDER BUSINESS CLASS. NO, REALLY.
Flight from Chicago to Seoul
From O'Hare (ORD), USA North America → Incheon (ICN), South Korea Asia
How long is the flight from Chicago to Seoul?
A nonstop flight from Chicago (ORD) to Seoul (ICN) takes about 13 hours 17 minutes, covering a great-circle distance of 6,537 miles (10,521 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
13h 17m
Nonstop, scheduled
Distance
6,537 mi
10,521 km · great-circle
Avg speed
793 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Seoul timezone
UTC+9
Asia/Seoul
Time difference
+14h
14 hours ahead
Jet lag (rough)
~14d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.