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Time difference: Seoul to Tokyo
ICN (Incheon International Airport) → HND (Tokyo Haneda International Airport)
Same time
no adjustment needed
Reading the clocks
Seoul and Tokyo run on the same clock — flight schedules read exactly as flown, no mental math needed.
Jet lag outlook
No meaningful jet lag on this route.
Frequently asked questions
What is the time difference between Seoul and Tokyo?
Seoul and Tokyo share the same time zone — no adjustment needed.
How bad will my jet lag be?
This route crosses too few time zones to cause meaningful jet lag.
What is the flight time from ICN to HND?
The nonstop flight distance is 751 miles. See the full distance and flight-time breakdown for exact timing.
What's the best way to book around jet lag?
Overnight eastbound flights that land in the morning let you push through to local bedtime and adjust faster. Call CheapoTrav — our agents know which schedules on this route land at the best local time, plus unpublished phone-only fares.