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NRT to ICN Turbulence Forecast

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

Live forecast
NRT
→
ICN
Tokyo · Seoul · 2h 30m
4.3
Turb Score
2h 30m
Duration
747 nm
Distance
37,000 ft
Cruise Alt.
light
Typical
Turbulence Forecast app — NRT to ICN
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Typical turbulence along the route

Historical average pattern for NRT–ICN

Smooth Light Moderate
0h1h2h3h4h5h6h2h 30m
Smooth
Light
Moderate
Heavy

About the NRT–ICN route

The Tokyo to Seoul 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 ANA, Korean Air, Asiana, 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 NRT–ICN

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 NRT–ICN

Turbulence by month

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

Best seat on NRT–ICN

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

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

Similar routes

Other popular routes with turbulence data

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

Frequently asked questions

Is the Tokyo to Seoul flight turbulent?
The NRT–ICN route typically experiences light turbulence. The turbulence score for this route is 4.3/100.
When is turbulence worst on NRT to ICN?
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 NRT to ICN?
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 NRT to ICN?
The NRT to ICN flight takes approximately 2h 30m, covering 860 miles (747 nautical miles).
Which airlines fly NRT to ICN?
The main airlines operating this route are ANA, Korean Air, Asiana, JAL, flying Boeing 737 · Airbus A321 aircraft.