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ICN to NRT Turbulence Forecast

Is the Seoul to Tokyo flight turbulent? Live forecast & historical patterns.

Live forecast
ICN
→
NRT
Seoul · Tokyo · 2h 12m
4.3
Turb Score
2h 12m
Duration
747 nm
Distance
37,000 ft
Cruise Alt.
light
Typical
Turbulence Forecast app — ICN to NRT
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Typical turbulence along the route

Historical average pattern for ICN–NRT

Smooth Light Moderate
0h1h2h3h4h5h6h2h 12m
Smooth
Light
Moderate
Heavy

About the ICN–NRT route

The Seoul to Tokyo route spans the Pacific Ocean — one of the longest commercial flight paths in the world at 860 miles. The Pacific jet stream creates moderate turbulence, typically around 3–7 hours into the flight. The sheer length of the route means passengers experience varying conditions: calm stretches punctuated by bumpy patches.

The route is served by Korean Air, Asiana, ANA, JAL on Boeing 737 · Airbus A321 aircraft, with flights typically cruising at 37,000 feet over a distance of 860 miles (747 nautical miles).

💡 Tip: Long flight — turbulence varies throughout. Wing seats significantly reduce motion.

Turbulence levels on ICN–NRT

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm
LightMinor bumps — drink stays in your cup, walking feels slightly unsteady
ModerateNoticeable bumps — stay seated with seatbelt on, service may pause
HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

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Best time to fly ICN–NRT

Turbulence by month

J
F
M
A
M
J
J
A
S
O
N
D
Smooth
Light
Moderate
Rough

Best seat on ICN–NRT

Boeing 737

Front
Rows 1–14
Light
✓ Wing
Rows 15-22
Smoothest
Rear
Rows 23+
Rougher
Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

ICN to NRT turbulence forecast app
Flight turbulence tracker
Real-time turbulence map

Similar routes

Other popular routes with turbulence data

NRT → ICN
Tokyo → Seoul
light
ICN → HKG
Seoul → Hong Kong
light
NRT → HKG
Tokyo → Hong Kong
light-moderate
See all transpacific flights →
All ICN routes→ All NRT routes→

Frequently asked questions

Is the Seoul to Tokyo flight turbulent?
The ICN–NRT route typically experiences light turbulence. The turbulence score for this route is 4.3/100.
When is turbulence worst on ICN to NRT?
Long flight — turbulence varies throughout. Wing seats significantly reduce motion. Check the turbulence chart above for the typical pattern along this specific route.
Which seat is smoothest on ICN to NRT?
Wing seats are always the smoothest. On a Boeing 737 (the most common aircraft on this route), that's rows 15-22. Avoid the very rear of the aircraft — it amplifies turbulence motion.
How long is the flight from ICN to NRT?
The ICN to NRT flight takes approximately 2h 12m, covering 860 miles (747 nautical miles).
Which airlines fly ICN to NRT?
The main airlines operating this route are Korean Air, Asiana, ANA, JAL, flying Boeing 737 · Airbus A321 aircraft.