🇰🇷 Seoul → 🇺🇸 Los Angeles
ICN to LAX — Complete travel planning guide
Time Difference
Jet Lag Severity
Adjustment Timeline
Flying from Seoul to Los Angeles
The flight from Seoul (ICN) to Los Angeles (LAX) covers approximately 9,627 kilometers (5,982 miles) based on the great-circle distance between both airports. This is the shortest theoretical path over Earth's surface, though actual flight paths may be slightly longer due to air traffic routing, weather avoidance, and airspace restrictions.
The estimated non-stop flight time is 11h 39m to 13h 8m, assuming a modern jet cruising at approximately 850 km/h. This gate-to-gate estimate includes time for taxi, takeoff, climb, cruise, descent, and landing. Actual duration varies based on wind conditions — particularly the jet stream — aircraft type, and airport congestion at both ends.
Los Angeles is 16 hour(s) behind Seoul. Travelers crossing 16 time zone(s) westward can expect severe jet lag, with full circadian adjustment typically taking about 12 day(s).
Since you're traveling westward, your body clock needs to delay — meaning you'll feel alert later into the evening and sluggish in the morning. Evening light exposure at your destination helps push your clock in the right direction.